Part 4

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002: Lost Communication with Gateway Module
U1002 - Lost Communication with Gateway Module


Continued



26. CHECK FOR SHORT IN CAN BUS WIRES (REAR POWER SEAT MODULE SWITCH)

(a) for 4-passanger with Ottoman:

(1) Disconnect the S15 rear power seat module switch connector.





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

Result





(b) except 4-passanger with Ottoman:

(1) Disconnect the r2 rear power seat module switch connector.





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

Result





C -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO REAR POWER SEAT MODULE SWITCH (CANP, CANN)

B -- REPLACE REAR POWER SEAT MODULE SWITCH Disassembly

A -- REPLACE REAR POWER SEAT MODULE SWITCH Removal

27. CONNECT CONNECTOR

(a) Reconnect the S59 No. 12 junction connector connector.

NEXT -- Continue to next step.

28. CHECK FOR SHORT IN CAN BUS WIRES (POWER TRUNK LID CONTROL ECU)

(a) Disconnect the S43 power trunk lid control ECU connector.





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

Result





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO POWER TRUNK LID CONTROL ECU (CANH, CANL)

OK -- REPLACE POWER TRUNK LID CONTROL ECU Removal

29. CONNECT CONNECTOR

(a) Reconnect the S59 No. 12 junction connector connector.

NEXT -- Continue to next step.

30. CHECK FOR SHORT IN CAN BUS WIRES (REAR JUNCTION BLOCK ECU)

(a) Disconnect the S62 rear junction block ECU connector.





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

Result





NG -- REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO REAR JUNCTION BLOCK ECU (NO. 8 JUNCTION CONNECTOR - REAR JUNCTION BLOCK ECU)

OK -- REPLACE REAR JUNCTION BLOCK ECU

31. CONNECT CONNECTOR

(a) Reconnect the S59 No. 12 junction connector connector.

NEXT -- Continue to next step.

32. CHECK FOR SHORT IN CAN BUS WIRES (NO. 12 JUNCTION CONNECTOR - NO. 11 JUNCTION CONNECTOR)

(a) Disconnect the S60 No. 11 junction connector connector.





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

Standard resistance:





NG -- REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 12 JUNCTION CONNECTOR - NO. 11 JUNCTION CONNECTOR)
OK -- Continue to next step.

33. CHECK FOR SHORT IN CAN BUS WIRES (NO. 11 JUNCTION CONNECTOR SIDE)

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





Standard resistance:





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

34. CHECK FOR SHORT IN CAN BUS WIRES (NO. 11 JUNCTION CONNECTOR - DRIVING SUPPORT ECU)

NOTICE:
For vehicles without dynamic radar cruise control system, without pre-collision system or without lane keeping assist system, go to "CHECK FOR SHORT IN CAN BUS WIRES (NO. 11 JUNCTION CONNECTOR - FRONT POWER SEAT ECU AND SWITCH LH)".

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





Result





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

35. CHECK FOR SHORT IN CAN BUS WIRES (NO. 11 JUNCTION CONNECTOR - FRONT POWER SEAT ECU AND SWITCH LH)

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





Result





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

36. CHECK FOR SHORT IN CAN BUS WIRES (NO. 11 JUNCTION CONNECTOR - FRONT POWER SEAT ECU AND SWITCH LH)

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





Result





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

37. CHECK FOR SHORT IN CAN BUS WIRES (NO. 11 JUNCTION CONNECTOR - REAR MULTIPLEX NETWORK DOOR ECU LH)

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





Result





NG -- CONNECT CONNECTOR

OK -- REPAIR OR REPLACE NO. 11 JUNCTION CONNECTOR

38. CONNECT CONNECTOR

(a) Reconnect the S60 No. 11 junction connector connector.

NEXT -- Continue to next step.

39. CHECK FOR SHORT IN CAN BUS WIRES (DRIVING SUPPORT ECU)

(a) Disconnect the A33 driving support ECU connector.





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

Result





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO DRIVING SUPPORT ECU (CANP, CANN)

OK -- REPLACE DRIVING SUPPORT ECU Removal

40. CONNECT CONNECTOR

(a) Reconnect the S60 No. 11 junction connector connector.

NEXT -- Continue to next step.

41. CHECK FOR SHORT IN CAN BUS WIRES (FRONT POWER SEAT ECU AND SWITCH LH)

(a) Disconnect the e46 front power seat ECU and switch LH connector.





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

Result





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO FRONT POWER SEAT ECU AND SWITCH LH (CANP, CANN)

OK -- REPLACE FRONT POWER SEAT ECU AND SWITCH LH Disassembly

42. CONNECT CONNECTOR

(a) Reconnect the S60 No. 11 junction connector connector.

NEXT -- Continue to next step.

43. CHECK FOR SHORT IN CAN BUS WIRES (FRONT MULTIPLEX NETWORK DOOR ECU LH)

(a) Disconnect the N10 front multiplex network door ECU LH connector.





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

Result





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO FRONT MULTIPLEX NETWORK DOOR ECU LH (CANP, CANN)

OK -- REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH [1][2]Removal

44. CONNECT CONNECTOR

(a) Reconnect the S60 No. 11 junction connector connector.

NEXT -- Continue to next step.

45. CHECK FOR SHORT IN CAN BUS WIRES (REAR MULTIPLEX NETWORK DOOR ECU LH)

(a) Disconnect the O14 rear multiplex network door ECU LH connector.





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

Result





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO REAR MULTIPLEX NETWORK DOOR ECU LH (CANP, CANN)

OK -- REPLACE REAR MULTIPLEX NETWORK DOOR ECU LH Removal

46. CONNECT CONNECTOR

(a) Reconnect the S60 No. 11 junction connector connector.

NEXT -- Continue to next step.

47. CHECK FOR SHORT IN CAN BUS WIRES (NO. 11 JUNCTION CONNECTOR - NO. 10 JUNCTION CONNECTOR)

(a) Disconnect the L95 No. 10 junction connector connector.





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

Standard resistance:





NG -- REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 11 JUNCTION CONNECTOR - NO. 10 JUNCTION CONNECTOR)
OK -- Continue to next step.

48. CHECK FOR SHORT IN CAN BUS WIRES (NO. 10 JUNCTION CONNECTOR SIDE)

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





Standard resistance:





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

49. CHECK FOR SHORT IN CAN BUS WIRES (NO. 10 JUNCTION CONNECTOR - COMBINATION SWITCH)

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





Result





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

50. CHECK FOR SHORT IN CAN BUS WIRES (NO. 10 JUNCTION CONNECTOR - MAIN BODY ECU)

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





Result





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

51. CHECK FOR SHORT IN CAN BUS WIRE (NO. 10 JUNCTION CONNECTOR - MULTIPLEX TILT AND TELESCOPIC ECU)

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





Result





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

52. CHECK FOR SHORT IN CAN BUS WIRES (NO. 10 JUNCTION CONNECTOR - NO. 1 METER ECU)

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





Result





NG -- CONNECT CONNECTOR
OK -- Continue to next step.