Can Communication System (For Lhd With Entry And Start System) Short In Can Bus Lines

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CHECK FOR SHORT IN CAN BUS WIRES (DLC3 CAN BRANCH WIRE)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR SIDE)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - FOUR WHEEL DRIVE CONTROL ECU)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - CERTIFICATION ECU)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - POWER MANAGEMENT CONTROL ECU)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - POWER STEERING ECU ASSEMBLY)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - ECM OR NO. 4 JUNCTION CONNECTOR)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (FOUR WHEEL DRIVE CONTROL ECU)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (CERTIFICATION ECU)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (POWER MANAGEMENT CONTROL ECU)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (POWER STEERING ECU ASSEMBLY)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (ECM)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (ECM)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (ECM)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (NO. 4 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 4 JUNCTION CONNECTOR - SKID CONTROL ECU)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 4 JUNCTION CONNECTOR - ECM)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (SKID CONTROL ECU)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (ECM)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR SIDE)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - NAVIGATION RECEIVER ASSEMBLY)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - STEERING ANGLE SENSOR)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - YAW RATE SENSOR ASSEMBLY)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - CENTER AIRBAG SENSOR ASSEMBLY)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (NAVIGATION RECEIVER ASSEMBLY)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (RADIO AND DISPLAY RECEIVER ASSEMBLY)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (STEERING ANGLE SENSOR)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (YAW RATE SENSOR ASSEMBLY)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (CENTER AIRBAG SENSOR ASSEMBLY)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - NO. 2 JUNCTION CONNECTOR)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - MAIN BODY ECU)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - NO. 5 JUNCTION CONNECTOR OR COMBINATION METER ASSEMBLY)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (MAIN BODY ECU)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER ASSEMBLY)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 JUNCTION CONNECTOR - NO. 3 JUNCTION CONNECTOR)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 JUNCTION CONNECTOR - SKID CONTROL ECU)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 JUNCTION CONNECTOR - COMBINATION METER ASSEMBLY)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (SKID CONTROL ECU)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER ASSEMBLY)

CAN COMMUNICATION SYSTEM (for LHD with Entry and Start System) - Short in CAN Bus Lines

DESCRIPTION

There may be a short circuit between the CAN bus lines when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is below 53 Ω.

Symptom

Trouble Area

The resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is below 53 Ω.

Short between CAN bus lines ECM Brake actuator assembly (skid control ECU)*1 Master cylinder solenoid (skid control ECU)*2 Four wheel drive control ECU Certification ECU (smart key ECU assembly) Power management control ECU Power steering ECU assembly Navigation receiver assembly*3 Radio and display receiver assembly*4 Spiral cable sub-assembly (steering angle sensor) Yaw rate sensor assembly Center airbag sensor assembly Main body ECU (multiplex network body ECU) Combination meter assembly No. 1 junction connector No. 2 junction connector No. 3 junction connector No. 4 junction connector*1 No. 5 junction connector*2

1. *1: for 2TR-FE
   
2. *2: for 1GR-FE, 1KD-FTV, 1GD-FTV
   
3. *3: w/ Navigation System (for Navigation Receiver Type)
   
4. *4: w/ Navigation System (for Radio and Display Type) or w/o Navigation System
   

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT:

Operating the engine switch, any switches or any doors triggers related ECU and sensor communication with the CAN, which causes resistance variation.

1.DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

1. Disconnect the cable from the negative (-) battery terminal before measuring the resistances of the CAN main wire and the CAN branch wire.
   

   CAUTION:

   Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the airbag system.

   NOTICE:

   1. After turning the engine switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work (LandCruiser RM000003YMD00TX.html).
      
   2. When disconnecting the cable, some systems need to be initialized after the cable is reconnected (LandCruiser RM000003YMF011X.html).
      

NEXT

2.CHECK FOR SHORT IN CAN BUS WIRES (DLC3 CAN BRANCH WIRE)

1. Disconnect the G94 No. 3 junction connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G48-6 (CANH) - G48-14 (CANL)	Engine switch off	1 MΩ or higher

   Text in Illustration

   *a	Front view of DLC3

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO DLC3 (CANH, CANL)

OK

3.CONNECT CONNECTOR

1. Reconnect the G94 No. 3 junction connector.
   

NEXT

4.CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR SIDE)

1. Disconnect the G97 No. 1 junction connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G48-6 (CANH) - G48-14 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Front view of DLC3

NG	Go to step 32

OK

5.CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - FOUR WHEEL DRIVE CONTROL ECU)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G97-2 (CANH) - G97-13 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 1 Junction Connector)

NG	Go to step 10

OK

6.CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - CERTIFICATION ECU)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G97-3 (CANH) - G97-14 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 1 Junction Connector)

NG	Go to step 12

OK

7.CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - POWER MANAGEMENT CONTROL ECU)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G97-4 (CANH) - G97-15 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 1 Junction Connector)

NG	Go to step 14

OK

8.CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - POWER STEERING ECU ASSEMBLY)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G97-5 (CANH) - G97-16 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 1 Junction Connector)

NG	Go to step 16

OK

9.CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - ECM OR NO. 4 JUNCTION CONNECTOR)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G97-6 (CANH) - G97-17 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 1 Junction Connector)

   Result

   Result	Proceed to
   OK	A
   NG (for 1GR-FE)	B
   NG (for 1KD-FTV)	C
   NG (for 1GD-FTV)	D
   NG (for 2TR-FE)	E

B	Go to step 18
C	Go to step 20
D	Go to step 22
E	Go to step 24

A
REPLACE NO. 1 JUNCTION CONNECTOR

10.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

11.CHECK FOR SHORT IN CAN BUS WIRES (FOUR WHEEL DRIVE CONTROL ECU)

1. Disconnect the G53 four wheel drive control ECU connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G53-19 (CANH) - G53-20 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to Four Wheel Drive Control ECU)

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO FOUR WHEEL DRIVE CONTROL ECU (CANH, CANL)

OK
REPLACE FOUR WHEEL DRIVE CONTROL ECU (LandCruiser RM00000479S00VX.html)

12.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

13.CHECK FOR SHORT IN CAN BUS WIRES (CERTIFICATION ECU)

1. Disconnect the G38 certification ECU (smart key ECU assembly) connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G38-9 (CANH) - G38-10 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to Certification ECU [Smart Key ECU Assembly])

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO CERTIFICATION ECU (CANH, CANL)

OK
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

14.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

15.CHECK FOR SHORT IN CAN BUS WIRES (POWER MANAGEMENT CONTROL ECU)

1. Disconnect the G51 power management control ECU connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G51-14 (CA1H) - G51-13 (CA1L)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to Power Management Control ECU)

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO POWER MANAGEMENT CONTROL ECU (CA1H, CA1L)

OK
REPLACE POWER MANAGEMENT CONTROL ECU (LandCruiser RM0000039R5026X.html)

16.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

17.CHECK FOR SHORT IN CAN BUS WIRES (POWER STEERING ECU ASSEMBLY)

1. Disconnect the G46 power steering ECU assembly connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G46-1 (CANH) - G46-2 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to Power Steering ECU Assembly)

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO POWER STEERING ECU ASSEMBLY (CANH, CANL)

OK
REPLACE POWER STEERING ECU ASSEMBLY (LandCruiser RM000003FC0019X.html)

18.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

19.CHECK FOR SHORT IN CAN BUS WIRES (ECM)

1. Disconnect the G56 ECM connector.
   

2. Measure the resistance according to the value(s) in the table below.
   
   

   Standard Resistance:

   for Manual Transmission System

   Tester Connection	Switch Condition	Specified Condition
   G56-32 (CANH) - G56-31 (CANL)	Engine switch off	108 to 132 Ω

   for Automatic Transmission System

   Tester Connection	Switch Condition	Specified Condition
   G56-31 (CANH) - G56-25 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *A	for Manual Transmission System
   *B	for Automatic Transmission System
   *a	Front view of wire harness connector (to ECM)

NG	REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO ECM (CANH, CANL)

OK
REPLACE ECM (LandCruiser RM00000329203TX.html)

20.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

21.CHECK FOR SHORT IN CAN BUS WIRES (ECM)

1. Disconnect the G58 ECM connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G58-35 (CANH) - G58-36 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to ECM)

NG	REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO ECM (CANH, CANL)

OK
REPLACE ECM (LandCruiser RM0000013Z002CX.html)

22.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

23.CHECK FOR SHORT IN CAN BUS WIRES (ECM)

1. Disconnect the G184 ECM connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G184-17 (CANH) - G187-28 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to ECM)

NG	REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO ECM (CANH, CANL)

OK
REPLACE ECM (LandCruiser RM0000013Z002DX.html)

24.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

25.CHECK FOR SHORT IN CAN BUS WIRES (NO. 4 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR)

1. Disconnect the A72 No. 4 junction connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   A72-9 (CANH) - A72-20 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 4 Junction Connector)

NG	REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 4 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR)

OK

26.CHECK FOR SHORT IN CAN BUS WIRES (NO. 4 JUNCTION CONNECTOR - SKID CONTROL ECU)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   A72-11 (CANH) - A72-22 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 4 Junction Connector)

NG	Go to step 28

OK

27.CHECK FOR SHORT IN CAN BUS WIRES (NO. 4 JUNCTION CONNECTOR - ECM)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   A72-10 (CANH) - A72-21 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 4 Junction Connector)

NG	Go to step 30

OK
REPLACE NO. 4 JUNCTION CONNECTOR

28.CONNECT CONNECTOR

1. Reconnect the A72 No. 4 junction connector.
   

NEXT

29.CHECK FOR SHORT IN CAN BUS WIRES (SKID CONTROL ECU)

1. Disconnect the A6 brake actuator assembly (skid control ECU) connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   A6-25 (CANH) - A6-14 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to Brake Actuator Assembly [Skid Control ECU])

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO SKID CONTROL ECU (CANH, CANL)

OK
REPLACE BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU) (LandCruiser RM0000034UX02TX.html)

30.CONNECT CONNECTOR

1. Reconnect the A72 No. 4 junction connector.
   

NEXT

31.CHECK FOR SHORT IN CAN BUS WIRES (ECM)

1. Disconnect the G181 ECM connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G181-13 (CANH) - G181- 14 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to ECM)

NG	REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO ECM (CANH, CANL)

OK
REPLACE ECM (LandCruiser RM000000VW203EX.html)

32.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

33.CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR)

1. Disconnect the G100 No. 2 junction connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G100-1 (CANH) - G100- 12 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 2 Junction Connector)

NG	REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 2 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR)

OK

34.CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR SIDE)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G48-6 (CANH) - G48-14 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Front view of DLC3

NG	Go to step 50

OK

35.CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - NAVIGATION RECEIVER ASSEMBLY)

NOTICE:

For vehicles without a navigation system (for navigation receiver type), go to "Check for Short in CAN Bus Wires (No. 2 Junction Connector - Radio and Display Receiver Assembly)".

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G100-2 (CANH) - G100- 13 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 2 Junction Connector)

NG	Go to step 40

OK

36.CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY)

NOTICE:

For vehicles with a navigation system (for navigation receiver type), go to "Check for Short in CAN Bus Wires (No. 2 Junction Connector - Steering Angle Sensor)".

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G100-2 (CANH) - G100- 13 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 2 Junction Connector)

NG	Go to step 42

OK

37.CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - STEERING ANGLE SENSOR)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G100-3 (CANH) - G100- 14 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 2 Junction Connector)

NG	Go to step 44

OK

38.CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - YAW RATE SENSOR ASSEMBLY)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G100-4 (CANH) - G100- 15 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 2 Junction Connector)

NG	Go to step 46

OK

39.CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - CENTER AIRBAG SENSOR ASSEMBLY)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G100-5 (CANH) - G100- 16 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 2 Junction Connector)

NG	Go to step 48

OK
REPLACE NO. 2 JUNCTION CONNECTOR

40.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

41.CHECK FOR SHORT IN CAN BUS WIRES (NAVIGATION RECEIVER ASSEMBLY)

1. Disconnect the H56 navigation receiver assembly connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   H56-9 (CANH) - H56-10 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to Navigation Receiver Assembly)

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO NAVIGATION RECEIVER ASSEMBLY (CANH, CANL)

OK
REPLACE NAVIGATION RECEIVER ASSEMBLY (LandCruiser RM000003B6H02GX.html)

42.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

43.CHECK FOR SHORT IN CAN BUS WIRES (RADIO AND DISPLAY RECEIVER ASSEMBLY)

1. Disconnect the H51 radio and display receiver assembly connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   H51-9 (CANH) - H51-10 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to Radio and Display Receiver Assembly)

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO RADIO AND DISPLAY RECEIVER ASSEMBLY (CANH, CANL)

OK
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (LandCruiser RM000003AHY02NX.html)

44.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

45.CHECK FOR SHORT IN CAN BUS WIRES (STEERING ANGLE SENSOR)

1. Disconnect the G33 spiral cable sub-assembly (steering angle sensor) connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G33-4 (CANH) - G33-3 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to Spiral Cable Sub-assembly [Steering Angle Sensor])

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO STEERING ANGLE SENSOR (CANH, CANL)

OK
REPLACE SPIRAL CABLE SUB-ASSEMBLY (STEERING ANGLE SENSOR) (LandCruiser RM000002O8X02DX.html)

46.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

47.CHECK FOR SHORT IN CAN BUS WIRES (YAW RATE SENSOR ASSEMBLY)

1. Disconnect the G52 yaw rate sensor assembly connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G52-3 (CANH) - G52-2 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to Yaw Rate Sensor Assembly)

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO YAW RATE SENSOR ASSEMBLY (CANH, CANL)

OK
REPLACE YAW RATE SENSOR ASSEMBLY (LandCruiser RM000000SS507KX.html)

48.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

49.CHECK FOR SHORT IN CAN BUS WIRES (CENTER AIRBAG SENSOR ASSEMBLY)

1. Disconnect the G1 center airbag sensor assembly connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G1-13 (CANH) - G1-22 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to Center Airbag Sensor Assembly)

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO CENTER AIRBAG SENSOR ASSEMBLY (CANH, CANL)

OK
REPLACE CENTER AIRBAG SENSOR ASSEMBLY (LandCruiser RM000003YQB01BX.html)

50.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

51.CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - NO. 2 JUNCTION CONNECTOR)

1. Disconnect the G94 No. 3 junction connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G94-1 (CANH) - G94-12 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 3 Junction Connector)

NG	REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 3 JUNCTION CONNECTOR - NO. 2 JUNCTION CONNECTOR)

OK

52.CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - MAIN BODY ECU)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G94-3 (CANH) - G94-14 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 3 Junction Connector)

NG	Go to step 54

OK

53.CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - NO. 5 JUNCTION CONNECTOR OR COMBINATION METER ASSEMBLY)

1. Measure the resistance according to the value(s) in the table below.
   
   

   Standard Resistance:

   for 1GR-FE, 1KD-FTV, 1GD-FTV

   Tester Connection	Switch Condition	Specified Condition
   G94-6 (CANH) - G94-17 (CANL)	Engine switch off	108 to 132 Ω

   for 2TR-FE

   Tester Connection	Switch Condition	Specified Condition
   G94-2 (CANH) - G94-13 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *A	for 1GR-FE, 1KD-FTV, 1GD-FTV
   *B	for 2TR-FE
   *a	Rear view of wire harness connector (to No. 3 Junction Connector)

   Result

   Result	Proceed to
   OK	A
   NG (for 2TR-FE)	B
   NG (for 1GR-FE, 1KD-FTV, 1GD-FTV)	C

B	Go to step 56
C	Go to step 58

A
REPLACE NO. 3 JUNCTION CONNECTOR

54.CONNECT CONNECTOR

1. Reconnect the G94 No. 3 junction connector.
   

NEXT

55.CHECK FOR SHORT IN CAN BUS WIRES (MAIN BODY ECU)

1. Disconnect the G64 main body ECU (multiplex network body ECU) connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G64-14 (CANH) - G64-13 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to Main Body ECU [Multiplex Network Body ECU])

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO MAIN BODY ECU (CANH, CANL)

OK
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (LandCruiser RM000003WBO05FX.html)

56.CONNECT CONNECTOR

1. Reconnect the G94 No. 3 junction connector.
   

NEXT

57.CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER ASSEMBLY)

1. Disconnect the G6 combination meter assembly connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G6-40 (CANH) - G6-39 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to Combination Meter Assembly)

NG	REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO COMBINATION METER ASSEMBLY (CANH, CANL)

OK
REPLACE COMBINATION METER ASSEMBLY (LandCruiser RM000003QKY01CX.html)

58.CONNECT CONNECTOR

1. Reconnect the G94 No. 3 junction connector.
   

NEXT

59.CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 JUNCTION CONNECTOR - NO. 3 JUNCTION CONNECTOR)

1. Disconnect the A73 No. 5 junction connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   A73-9 (CANH) - A73-20 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 5 Junction Connector)

NG	REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 5 JUNCTION CONNECTOR - NO. 3 JUNCTION CONNECTOR)

OK

60.CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 JUNCTION CONNECTOR - SKID CONTROL ECU)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   A73-11 (CANH) - A73-22 (CANL)	Engine switch off	200 Ω or higher

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 5 Junction Connector)

NG	Go to step 62

OK

61.CHECK FOR SHORT IN CAN BUS WIRES (NO. 5 JUNCTION CONNECTOR - COMBINATION METER ASSEMBLY)

1. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   A73-10 (CANH) - A73-21 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to No. 5 Junction Connector)

NG	Go to step 64

OK
REPLACE NO. 5 JUNCTION CONNECTOR

62.CONNECT CONNECTOR

1. Reconnect the A73 No. 5 junction connector.
   

NEXT

63.CHECK FOR SHORT IN CAN BUS WIRES (SKID CONTROL ECU)

1. Disconnect the A7 master cylinder solenoid (skid control ECU) connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   A7-11 (CANH) - A7-25 (CANL)	Engine switch off	54 to 69 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to Master Cylinder Solenoid [Skid Control ECU])

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO SKID CONTROL ECU (CANH, CANL)

OK
REPLACE MASTER CYLINDER SOLENOID (SKID CONTROL ECU) (LandCruiser RM00000171U02DX.html)

64.CONNECT CONNECTOR

1. Reconnect the A73 No. 5 junction connector.
   

NEXT

65.CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER ASSEMBLY)

1. Disconnect the G6 combination meter assembly connector.
   

2. Measure the resistance according to the value(s) in the table below.
   

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G6-40 (CANH) - G6-39 (CANL)	Engine switch off	108 to 132 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to Combination Meter Assembly)

NG	REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO COMBINATION METER ASSEMBLY (CANH, CANL)

OK
REPLACE COMBINATION METER ASSEMBLY (LandCruiser RM000003QKY01CX.html)