Can Communication System (For Lhd Without 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 - NETWORK GATEWAY ECU)

CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)

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)

CONNECT CONNECTOR

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

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (NETWORK GATEWAY ECU)

CONNECT CONNECTOR

CHECK FOR SHORT IN CAN BUS WIRES (AIR CONDITIONING AMPLIFIER ASSEMBLY)

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 (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 (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 - 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 (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 - 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 without 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 Network gateway ECU*3 Power steering ECU assembly*4 Air conditioning amplifier assembly Radio and display receiver assembly*5 Spiral cable sub-assembly (steering angle sensor)*4 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, 5L-E
   
2. *2: for 1KD-FTV
   
3. *3: w/ Network Gateway ECU
   
4. *4: w/ Vehicle Stability Control System
   
5. *5: w/ Audio and Visual System (for Radio and Display Type)
   

WIRING DIAGRAM

INSPECTION PROCEDURE

HINT:

Operating the ignition 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 ignition 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)	Ignition 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)	Ignition switch off	108 to 132 Ω

   Text in Illustration

   *a	Front view of DLC3

NG	Go to step 30

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)	Ignition 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 - NETWORK GATEWAY ECU)

NOTICE:

For vehicles without a network gateway ECU, go to "Check for Short in CAN Bus Wires (No. 1 Junction Connector - Air Conditioning Amplifier Assembly)".

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)	Ignition 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 - AIR CONDITIONING AMPLIFIER ASSEMBLY)

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)	Ignition 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)

NOTICE:

For vehicles without a vehicle stability control system, go to "Check for Short in CAN Bus Wires (No. 1 Junction Connector - ECM)".

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)	Ignition 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)

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)	Ignition 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 1KD-FTV)	B
   NG (for 2TR-FE, 5L-E)	C

B	Go to step 18
C	Go to step 20

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)	Ignition 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 (NETWORK GATEWAY ECU)

1. Disconnect the G155 network gateway ECU connector.
   

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G155-16 (CA1H) - G155- 15 (CA1L)	Ignition switch off	54 to 69 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to Network Gateway ECU)

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO NETWORK GATEWAY ECU (CA1H, CA1L)

OK
REPLACE NETWORK GATEWAY ECU (LandCruiser RM0000039R5027X.html)

14.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

15.CHECK FOR SHORT IN CAN BUS WIRES (AIR CONDITIONING AMPLIFIER ASSEMBLY)

1. Disconnect the G25 air conditioning amplifier assembly connector.
   

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G25-11 (CANH) - G25-12 (CANL)	Ignition switch off	54 to 69 Ω

   Text in Illustration

   *a	Rear view of wire harness connector (to Air Conditioning Amplifier Assembly)

NG	REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO AIR CONDITIONING AMPLIFIER ASSEMBLY (CANH, CANL)

OK
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY (LandCruiser RM0000039R5028X.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)	Ignition 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 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)	Ignition 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)

20.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

21.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)	Ignition 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

22.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)	Ignition 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 24

OK

23.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)	Ignition switch off	108 to 132 Ω

   Text in Illustration

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

   Result

   Result	Proceed to
   OK	A
   NG (for 2TR-FE)	B
   NG (for 5L-E)	C

B	Go to step 26
C	Go to step 28

A
REPLACE NO. 4 JUNCTION CONNECTOR

24.CONNECT CONNECTOR

1. Reconnect the A72 No. 4 junction connector.
   

NEXT

25.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)	Ignition 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)

26.CONNECT CONNECTOR

1. Reconnect the A72 No. 4 junction connector.
   

NEXT

27.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)	Ignition 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)

28.CONNECT CONNECTOR

1. Reconnect the A72 No. 4 junction connector.
   

NEXT

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

1. Disconnect the G183 ECM connector.
   

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   G183-25 (CANH) - G183-31 (CANL)	Ignition 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 RM000000VW203FX.html)

30.CONNECT CONNECTOR

1. Reconnect the G97 No. 1 junction connector.
   

NEXT

31.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)	Ignition 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

32.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)	Ignition switch off	108 to 132 Ω

   Text in Illustration

   *a	Front view of DLC3

NG	Go to step 45

OK

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

NOTICE:

For vehicles without an audio and visual system (for radio and display 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)	Ignition 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 37

OK

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

NOTICE:

For vehicles without a vehicle stability control system, go to "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
   G100-3 (CANH) - G100- 14 (CANL)	Ignition 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 39

OK

35.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)	Ignition 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 41

OK

36.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)	Ignition 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 43

OK
REPLACE NO. 2 JUNCTION CONNECTOR

37.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

38.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)	Ignition 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)

39.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

40.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)	Ignition 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)

41.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

42.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)	Ignition 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)

43.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

44.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)	Ignition 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)

45.CONNECT CONNECTOR

1. Reconnect the G100 No. 2 junction connector.
   

NEXT

46.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)	Ignition 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

47.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)	Ignition 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 49

OK

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

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

   Standard Resistance:

   for 1KD-FTV

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

   for 2TR-FE, 5L-E

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

   Text in Illustration

   *A	for 1KD-FTV
   *B	for 2TR-FE, 5L-E
   *a	Rear view of wire harness connector (to No. 3 Junction Connector)

   Result

   Result	Proceed to
   OK	A
   NG (for 2TR-FE, 5L-E)	B
   NG (for 1KD-FTV)	C

B	Go to step 51
C	Go to step 53

A
REPLACE NO. 3 JUNCTION CONNECTOR

49.CONNECT CONNECTOR

1. Reconnect the G94 No. 3 junction connector.
   

NEXT

50.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)	Ignition 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)

51.CONNECT CONNECTOR

1. Reconnect the G94 No. 3 junction connector.
   

NEXT

52.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)	Ignition 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)

53.CONNECT CONNECTOR

1. Reconnect the G94 No. 3 junction connector.
   

NEXT

54.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)	Ignition 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

55.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)	Ignition 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 57

OK

56.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)	Ignition 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 59

OK
REPLACE NO. 5 JUNCTION CONNECTOR

57.CONNECT CONNECTOR

1. Reconnect the A73 No. 5 junction connector.
   

NEXT

58.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)	Ignition 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)

59.CONNECT CONNECTOR

1. Reconnect the A73 No. 5 junction connector.
   

NEXT

60.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)	Ignition 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)