Can Communication System Check Can Bus Lines For Short Circuit (Lhd Models)

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN BUS LINES FOR SHORT CIRCUIT (DLC3 SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (CAN BUSES TO P-CAN J/C)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (DISTANCE CONTROL ECU)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING SENSOR)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (SEAT BELT CONTROL ECU)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (SKID CONTROL ECU WITH ACTUATOR)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (SKID CONTROL ECU)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (ECM)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (YAW RATE SENSOR)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT (CAN MAIN BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (DISTANCE CONTROL ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING SENSOR SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (SEAT BELT CONTROL ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (SKID CONTROL ECU WITH ACTUATOR SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINE (SKID CONTRROL ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (ECM SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (YAW RATE SENSOR SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING CONTROL ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (POWER STEERING ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (ABSORBER CONTROL ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (CLEARANCE WARNING ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (TELEVISION CAMERA ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (NETWORK GATEWAY ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING CONTROL ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (POWER STEERING ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (ABSORBER CONTROL ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (CLEARANCE WARNING ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (TELEVISION CAMERA ECU SUB BUS LINE)

CONNECT CONNECTOR

CHECK CAN BUS LINES FOR SHORT CIRCUIT (NETWORK GATEWAY ECU SUB BUS LINE)

CAN COMMUNICATION SYSTEM - Check CAN Bus Lines for Short Circuit (LHD Models)

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 54 Ω.

Symptom	Trouble Area
Resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is below 54 Ω.	Short between CAN bus lines Distance control ECU Steering angle sensor Seat belt control ECU Skid control ECU with actuator (3GR-FE, 3GR-FSE) Skid control ECU (3UZ-FE) ECM Yaw rate sensor Steering control ECU Power steering ECU Absorber control ECU Clearance waRning ECU Television camera ECU Network gateway ECU Junction connector (P-CAN J/C) Junction connector (D-CAN J/C)

WIRING DIAGRAM

INSPECTION PROCEDURE

1.CHECK CAN BUS LINES FOR SHORT CIRCUIT (DLC3 SUB BUS LINE)

1. Disconnect the DLC3 sub bus line connector (L9) from the D-CAN J/C B side (w/o earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	1 MΩ or more

NG	REPAIR OR REPLACE DLC3 SUB BUS LINE OR CONNECTOR (CAN-H,CAN-L)

OK

2.CONNECT CONNECTOR

1. Reconnect the DLC3 sub bus line connector (L9) to the D-CAN J/C B side (w/o earth terminal).
   

NEXT

3.CHECK CAN BUS LINES FOR SHORT CIRCUIT (CAN BUSES TO P-CAN J/C)

1. Disconnect the CAN main bus line connector (L78) from the P-CAN J/C B side (w/o earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	108 to 132 Ω

OK	Go to step 34

NG

4.CONNECT CONNECTOR

1. Reconnect the CAN main bus line connector (L78) to the P-CAN J/C B side (w/o earth terminal).
   

NEXT

5.CHECK CAN BUS LINES FOR SHORT CIRCUIT (DISTANCE CONTROL ECU)

NOTICE:

For vehicle without dynamic radar cruise control, go to step 7.

1. Disconnect the distance control ECU sub bus line connector (L7) from the D-CAN J/C B side (w/o earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 20

NG

6.CONNECT CONNECTOR

1. Reconnect the distance control ECU sub bus line connector (L7) to the D-CAN J/C B side (w/o earth terminal).
   

NEXT

7.CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING SENSOR)

1. Disconnect the steering sensor sub bus line connector (L6) from the D-CAN J/C B side (w/o earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 22

NG

8.CONNECT CONNECTOR

1. Reconnect the steering sensor sub bus line connector (L6) to the D-CAN J/C B side (w/o earth terminal).
   

NEXT

9.CHECK CAN BUS LINES FOR SHORT CIRCUIT (SEAT BELT CONTROL ECU)

NOTICE:

For vehicle without dynamic laser cruse control, go to step 11.

1. Disconnect the seat belt control ECU sub bus line connector (L8) from the D-CAN J/C B side (w/o earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 24

NG

10.CONNECT CONNECTOR

1. Reconnect the seat belt control ECU sub bus line connector (L8) to the D-CAN J/C B side (w/o earth terminal).
   

NEXT

11.CHECK CAN BUS LINES FOR SHORT CIRCUIT (SKID CONTROL ECU WITH ACTUATOR)

NOTICE:

Vehicle except for engine model 3GR-FE and 3GR-FSE, go to step 13.

1. Disconnect the skid control ECU with actuator sub bus line connector (L2) from the D-CAN J/C A side (w/ earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 26

NG

12.CONNECT CONNECTOR

1. Reconnect the skid control ECU with actuator sub bus line connector (L2) to the D-CAN J/C A side (w/ earth terminal).
   

NEXT

13.CHECK CAN BUS LINES FOR SHORT CIRCUIT (SKID CONTROL ECU)

1. Disconnect the skid control ECU sub bus line connector (L2) from the D-CAN J/C A side (w/ earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 28

NG

14.CONNECT CONNECTOR

1. Reconnect the skid control ECU sub bus line connector (L2) to the D-CAN J/C A side (w/ earth terminal).
   

NEXT

15.CHECK CAN BUS LINES FOR SHORT CIRCUIT (ECM)

1. Disconnect the ECM sub bus line connector (L3) from the D-CAN J/C A side (w/ earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 30

NG

16.CONNECT CONNECTOR

1. Reconnect the ECM sub bus line connector (L3) to the D-CAN J/C A side (w/ earth terminal).
   

NEXT

17.CHECK CAN BUS LINES FOR SHORT CIRCUIT (YAW RATE SENSOR)

1. Disconnect the yaw rate sensor sub bus line connector (L5) from the D-CAN J/C A side (w/ earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 32

NG

18.CONNECT CONNECTOR

1. Reconnect the yaw rate sensor sub bus line connector (L5) to the D-CAN J/C A side (w/ earth terminal).
   

NEXT

19.CHECK CAN BUS LINES FOR SHORT (CAN MAIN BUS LINE)

1. Disconnect the CAN main bus line connector (L4) from the D-CAN J/C A side (w/ earth terminal).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPAIR OR REPLACE CAN BUS MAIN LINE

NG
REPLACE JUNCTION CONNECTOR (D-CAN J/C)

20.CONNECT CONNECTOR

1. Reconnect the distance control ECU sub bus line connector (L7) to the D-CAN J/C B side (w/o earth terminal).
   

NEXT

21.CHECK CAN BUS LINES FOR SHORT CIRCUIT (DISTANCE CONTROL ECU SUB BUS LINE)

1. Disconnect the distance control ECU connector (L13).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE DISTANCE CONTROL ECU

NG
REPAIR OR REPLACE DISTANCE CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

22.CONNECT CONNECTOR

1. Reconnect the steering sensor sub bus line connector (L6) to the D-CAN J/C B side (w/o earth terminal).
   

NEXT

23.CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING SENSOR SUB BUS LINE)

1. Disconnect the steering sensor connector (L19).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE STEERING SENSOR

NG
REPAIR OR REPLACE STEERING SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

24.CONNECT CONNECTOR

1. Reconnect the seat belt control ECU sub bus line connector (L8) to the D-CAN J/C B side (w/o earth terminal).
   

NEXT

25.CHECK CAN BUS LINES FOR SHORT CIRCUIT (SEAT BELT CONTROL ECU SUB BUS LINE)

1. Disconnect the seat belt control ECU connector (W30).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE SEAT BELT CONTROL ECU

NG
REPAIR OR REPLACE SEAT BELT CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

26.CONNECT CONNECTOR

1. Reconnect the skid control ECU with actuator sub bus line connector (L2) to the D-CAN J/C A side (w/ earth terminal).
   

NEXT

27.CHECK CAN BUS LINES FOR SHORT CIRCUIT (SKID CONTROL ECU WITH ACTUATOR SUB BUS LINE)

1. Disconnect the skid control ECU with actuator connector (A48).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE SKID CONTROL ECU WITH ACTUATOR

NG
REPAIR OR REPLACE SKID CONTROL ECU WITH ACTUATOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

28.CONNECT CONNECTOR

1. Reconnect the skid control ECU sub bus line connector (L2) to the D-CAN J/C A side (w/ earth terminal).
   

NEXT

29.CHECK CAN BUS LINE (SKID CONTRROL ECU SUB BUS LINE)

1. Disconnect the skid control ECU connector (A48).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

	REPLACE SKID CONTROL ECU

NG
REPAIR OR REPLACE SKID CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

30.CONNECT CONNECTOR

1. Reconnect the ECM sub bus line connector (L3) to the D-CAN J/C A side (w/ earth terminal).
   

NEXT

31.CHECK CAN BUS LINES FOR SHORT CIRCUIT (ECM SUB BUS LINE)

1. Disconnect the ECM connector (A6).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE ECM

NG
REPAIR OR REPLACE ECM SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

32.CONNECT CONNECTOR

1. Reconnect the yaw rate sensor sub bus line connector (L5) to the D-CAN J/C A side (w/ earth terminal).
   

NEXT

33.CHECK CAN BUS LINES FOR SHORT CIRCUIT (YAW RATE SENSOR SUB BUS LINE)

1. Disconnect the yaw rate sensor connector (L35).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE YAW RATE SENSOR

NG
REPAIR OR REPLACE YAW RATE SENSOR SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

34.CONNECT CONNECTOR

1. Reconnect the CAN main bus line connector (L78) to the P-CAN J/C B side (w/o earth terminal).
   

NEXT

35.CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING CONTROL ECU SUB BUS LINE)

1. Disconnect the steering control ECU sub bus line connector (L79) from the P-CAN J/C B side (w/o earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 46

NG

36.CONNECT CONNECTOR

1. Reconnect the steering control ECU sub bus line connector (L79) to the P-CAN J/C B side (w/o earth terminal).
   

NEXT

37.CHECK CAN BUS LINES FOR SHORT CIRCUIT (POWER STEERING ECU SUB BUS LINE)

1. Disconnect the power steering ECU sub bus line connector (L80) from the P-CAN J/C B side (w/o earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 48

NG

38.CONNECT CONNECTOR

1. Reconnect the power steering ECU sub bus line connector (L80) to the P-CAN J/C B side (w/o earth terminal).
   

NEXT

39.CHECK CAN BUS LINES FOR SHORT CIRCUIT (ABSORBER CONTROL ECU SUB BUS LINE)

1. Disconnect the absorber control ECU sub bus line connector (L81) from the P-CAN J/C B side (w/o earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 50

NG

40.CONNECT CONNECTOR

1. Reconnect the absorber control ECU sub bus line connector (L81) to the P-CAN J/C B side (w/o earth terminal).
   

NEXT

41.CHECK CAN BUS LINES FOR SHORT CIRCUIT (CLEARANCE WARNING ECU SUB BUS LINE)

1. Disconnect the clearance warning ECU sub bus line connector (L75) from the P-CAN J/C A side (w/ earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 52

NG

42.CONNECT CONNECTOR

1. Reconnect the clearance warning ECU sub bus line connector (L75) to the P-CAN J/C A side (w/ earth terminal).
   

NEXT

43.CHECK CAN BUS LINES FOR SHORT CIRCUIT (TELEVISION CAMERA ECU SUB BUS LINE)

1. Disconnect the television camera ECU sub bus line connector (L77) from the P-CAN J/C A side (w/ earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 54

NG

44.CONNECT CONNECTOR

1. Reconnect the television camera ECU sub bus line connector (L77) to the P-CAN J/C A side (w/ earth terminal).
   

NEXT

45.CHECK CAN BUS LINES FOR SHORT CIRCUIT (NETWORK GATEWAY ECU SUB BUS LINE)

1. Disconnect the network gateway ECU sub bus line connector (L76) from the P-CAN J/C A side (w/ earth terminal).
   

   NOTICE:

   1. Before disconnecting the connector, make a note of where it is connected.
      
   2. Reconnect the connector to its original position.
      

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	Go to step 56

NG
REPLACE JUNCTION CONNECTOR (P-CAN J/C)

46.CONNECT CONNECTOR

1. Reconnect the steering control ECU sub bus line connector (L79) to the P-CAN J/C B side (w/o earth terminal).
   

NEXT

47.CHECK CAN BUS LINES FOR SHORT CIRCUIT (STEERING CONTROL ECU SUB BUS LINE)

1. Disconnect the steering control ECU connector (L70).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE STEERING CONTROL ECU

NG
REPAIR OR REPLACE STEERING CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

48.CONNECT CONNECTOR

1. Reconnect the power steering ECU sub bus line connector (L80) to the P-CAN J/C B side (w/o earth terminal).
   

NEXT

49.CHECK CAN BUS LINES FOR SHORT CIRCUIT (POWER STEERING ECU SUB BUS LINE)

1. Disconnect the power steering ECU connector (A24).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE POWER STEERING ECU

NG
REPAIR OR REPLACE POWER STEERING ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

50.CONNECT CONNECTOR

1. Reconnect the absorber control ECU sub bus line connector (L81) to the P-CAN J/C B side (w/o earth terminal).
   

NEXT

51.CHECK CAN BUS LINES FOR SHORT CIRCUIT (ABSORBER CONTROL ECU SUB BUS LINE)

1. Disconnect the absorber control ECU connector (L72).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE ABSORBER CONTROL ECU

NG
REPAIR OR REPLACE ABSORBER CONTROL ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

52.CONNECT CONNECTOR

1. Reconnect the clearance warning ECU sub bus line connector (L75) to the P-CAN J/C A side (w/ earth terminal).
   

NEXT

53.CHECK CAN BUS LINES FOR SHORT CIRCUIT (CLEARANCE WARNING ECU SUB BUS LINE)

1. Disconnect the clearance warning ECU connector (A40).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE CLEARANCE WARNING ECU

NG
REPAIR OR REPLACE CLEARANCE WARNING ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

54.CONNECT CONNECTOR

1. Reconnect the television camera ECU sub bus line connector (L77) to the P-CAN J/C A side (w/ earth terminal).
   

NEXT

55.CHECK CAN BUS LINES FOR SHORT CIRCUIT (TELEVISION CAMERA ECU SUB BUS LINE)

1. Disconnect the television camera ECU connector (L64).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE TELEVISION CAMERA ECU

NG
REPAIR OR REPLACE TELEVISION CAMERA ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)

56.CONNECT CONNECTOR

1. Reconnect the network gateway ECU sub bus line connector (L76) to the P-CAN J/C A side (w/ earth terminal).
   

NEXT

57.CHECK CAN BUS LINES FOR SHORT CIRCUIT (NETWORK GATEWAY ECU SUB BUS LINE)

1. Disconnect the network gateway ECU connector (L66).
   

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

   Standard resistance:

   Tester connection	Condition	Specified value
   L16-6 (CANH) - L16-14 (CANL)	Engine Switch off	54 to 69 Ω

OK	REPLACE NETWORK GATEWAY ECU

NG
REPAIR OR REPLACE NETWORK GATEWAY ECU SUB BUS LINE OR CONNECTOR (CAN-H, CAN-L)