Scan tool does not communicate with CAN device (models without radar sensor and stereo camera) (4JJ3 with DPD)

1. Engine control system check

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) Diagnostic system check-engine controls".

2. Scan tool communication verification

1) Connect the scan tool.

2) Turn ON the ignition switch.

3) Check the vehicle specifications and verify the status of communication with the following control modules using a scan tool. Can communication with any of the control modules be established?

Yes

=>Go to ECM communication verification.

No

=>Go to DLC inspection.

3. ECM communication verification

1) Check the communication status with the ECM using the scan tool. Can communication with the ECM be established?

Yes

=>Go to Battery sensor communication verification.

No

Go to Lost communication with the ECM.

Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 with DPD) lost communication with the ECM (models without radar sensor and stereo camera)".

4. Battery sensor communication verification

1) Check the communication status with the battery sensor using the scan tool. Can communication with the battery sensor be established?

Yes

=>Go to TCCM communication verification.

No

Go to Lost communication with the battery sensor.

Refer to "51.Engine Control 1A.Troubleshooting(IBS (4JJ3 with DPD)) lost communication with the battery sensor (models without radar sensor and stereo camera)".

5. TCCM communication verification

1) Check the communication status with the TCCM using the scan tool. Is communication with the TCCM established?

Yes

=>Go to Rear differential lock control unit communication verification.

No

Go to Lost communication with the TCCM.

Refer to "53.Driveline Control 3A.Troubleshooting(4WD models) lost communication with the TCCM (models without radar sensor and stereo camera)".

6. Rear differential lock control unit communication verification

1) Verify that communication can be established with the rear differential lock control unit using the scan tool. Can communication with the rear differential lock control unit be established?

Yes

=>Go to EHCU communication verification.

No

Go to Lost communication with the differential lock control unit.

Refer to "53.Driveline Control 3A.Troubleshooting(Differential Lock) lost communication with the rear differential lock control unit (models with radar sensor/ stereo camera)".

Refer to "53.Driveline Control 3A.Troubleshooting(Differential Lock) lost communication with the rear differential lock control unit (models without radar sensor and stereo camera)".

7. EHCU communication verification

1) Check the communication status with the EHCU with a scan tool. Is communication with the EHCU established?

Yes

=>Go to Parking aid system control unit communication verification.

No

Go to Lost communication with the EHCU.

Refer to "54.Brake Control 4A.Troubleshooting(ABS/ESC) lost communication with the EHCU (models with radar sensor/ stereo camera)".

Refer to "54.Brake Control 4A.Troubleshooting(ABS/ESC) lost communication with the EHCU (models without radar sensor and stereo camera)".

8. Parking aid system control unit communication verification

1) Verify that communication can be established with the parking aid system control unit using a scan tool. Can communication with the parking aid system control unit be established?

Yes

=>Go to TCM communication verification.

No

Go to Lost communication with the parking aid system control unit.

Refer to "75.Driver Assistance System 10W.Troubleshooting(Parking Aid) lost communication with the parking aid system control unit (models with radar sensor/ stereo camera)".

Refer to "75.Driver Assistance System 10W.Troubleshooting(Parking Aid) lost communication with the parking aid system control unit (models without radar sensor and stereo camera)".

9. TCM communication verification

1) Check the communication status with the TCM using the scan tool. Is communication with the TCM established?

Yes

=>Go to SRS control unit communication verification.

No

Go to Lost communication with the TCM.

Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) lost communication with the TCM (models without radar sensor and stereo camera)".

10. SRS control unit communication verification

1) Verify that communication can be established with the SRS control unit using a scan tool. Can communication with the SRS control unit be established?

Yes

=>Go to Control panel communication verification.

No

Go to Lost communication with the SRS control unit.

Refer to "58.SRS Control 8A.Troubleshooting(Air Bag (Driver/Passenger)) lost communication with the SRS control unit (models without radar sensor and stereo camera)".

Refer to "58.SRS Control 8A.Troubleshooting(Air Bag (Driver/Passenger/Side/Roof/Knee/Far Side)) lost communication with the SRS control unit (models without radar sensor and stereo camera)".

11. Control panel communication verification

1) Verify that communication can be established with the control panel using a scan tool. Can communication with the control panel be established?

Yes

=>Go to eCall unit communication verification.

No

Go to Lost communication with the automatic air conditioning control unit.

Refer to "57.HVAC Control 7A.Troubleshooting(Auto A/C) lost communication with the control panel (models without radar sensor and stereo camera)".

12. eCall unit communication verification

1) Verify that communication can be established with the eCall unit using the scan tool. Can communication with the eCall unit be established?

Yes

=>Go to BCM communication verification.

No

Go to Lost communication with the eCall unit.

Refer to "64.Body Control 10I.Troubleshooting(eCall unit) lost communication with the eCall unit".

13. BCM communication verification

1) Check the communication status with the BCM using the scan tool. Is communication with the BCM established?

Yes

=>Go to Wireless access module communication verification.

No

Go to Lost communication with the BCM.

Refer to "64.Body Control 10I.Troubleshooting(BCM) lost communication with the BCM (models with radar sensor/ stereo camera)".

Refer to "64.Body Control 10I.Troubleshooting(BCM) lost communication with the BCM (models without radar sensor and stereo camera)".

14. Wireless access module communication verification

1) Verify that communication can be established with the wireless access module using a scan tool. Can communication with the wireless access module be established?

Yes

=>Go to Headlight auto leveling control unit communication verification.

No

Go to Lost communication with the wireless access module.

Refer to "71.Security and Locks Control 10S.Troubleshooting(Wireless Access Module (Mid-version/Lo-version [Except Passive Entry and Start System])) Lost communication with the Wireless Access Module (Mid-version/Lo-version [except Passive entry and start system]) (models without radar sensor and stereo camera)".

Refer to "71.Security and Locks Control 10S.Troubleshooting(Wireless Access Module (Hi-version [Passive Entry and Start System])) Lost communication with the Wireless Access Module (Hi-version[Passive Entry and Start System]) (models without radar sensor and stereo camera)".

15. Headlight auto leveling control unit communication verification

1) Verify the communication status with the headlight auto leveling control unit using a scan tool. Can communication with the headlight auto leveling control unit be established?

Yes

=>Go to Information module communication verification.

No

Go to Lost communication with the headlight auto leveling control unit.

Refer to "65.Lighting Control 10J.Troubleshooting(Headlight Automatic Leveling Control) lost communication with the headlight auto leveling control unit (models without radar sensor and stereo camera)".

16. Information module communication verification

1) Verify that communication can be established with the information module using the scan tool. Can communication with the information module be established?

Yes

=>Go to Instrument panel cluster communication verification.

No

Go to Lost communication with the information module.

Refer to "64.Body Control 10I.Troubleshooting(Information Module) lost communication with the information module (models without radar sensor and stereo camera)".

17. Instrument panel cluster communication verification

1) Verify the communication status with the instrument panel cluster using the scan tool. Is communication with the instrument panel cluster established?

Yes

=>Go to Inspection for open circuit and short circuit in CAN circuit.

No

=>Go to Instrument panel cluster power supply and ground circuit inspection.

18. Instrument panel cluster power supply and ground circuit inspection

1) Inspect the power supply circuit and ground circuit of the instrument panel cluster for the following. Is the result normal?

Yes

=>Go to DLC inspection.

No

Repair the circuit as necessary.

=>Go to Repair verification.

19. Inspection for open circuit and short circuit in CAN circuit

1) Inspect for an intermittent short together between the CAN Low and CAN High circuits, and an intermittent short to ground or intermittent short to the power supply circuit. Is the result normal?

2) Inspect for intermittent open circuits in the CAN Low circuit and CAN High circuit in the control unit with which communication cannot be established. Is the result normal?

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

3) Are all of the results normal?

Yes

=>Go to Repair verification.

No

Repair the circuit as necessary.

=>Go to Repair verification.

20. DLC inspection

1) Inspect for poor connections at the DLC (pins 6 and 14 of C19). Is the connection status normal?

Refer to "LHD DLC" in the ETM (wiring diagram). (Open using the ETM viewer.).

Yes

=>Go to ECM inspection.

No

Repair the connections as necessary.

=>Go to Repair verification.

21. ECM inspection

1) Turn OFF the ignition switch.

2) Disconnect the ECM harness connector (C9).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

3) Turn ON the ignition switch.

4) Verify that communication can be established with control units other than the ECM using a scan tool. Can communication with control units other than the ECM be established?

Yes

=>Go to ECM replacement.

No

=>Go to TCCM inspection.

22. Battery sensor inspection

1) Disconnect the battery sensor harness connector (C49).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the battery sensor using a scan tool. Can communication with control units other than the battery sensor be established?

Yes

=>Go to Battery sensor replacement.

No

=>Go to TCCM inspection.

23. TCCM inspection

1) Disconnect the TCCM harness connector (C15).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the TCCM using a scan tool. Can communication with control units other than the TCCM be established?

Yes

=>Go to TCCM replacement.

No

=>Go to Rear differential lock control unit inspection.

24. Rear differential lock control unit inspection

1) Disconnect the rear differential lock control unit harness connector (C57).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the rear differential lock control unit using the scan tool. Can communication with control units other than the rear differential lock control unit be established?

Yes

=>Go to Rear differential lock control unit replacement.

No

=>Go to EHCU inspection.

25. EHCU inspection

1) Disconnect the EHCU harness connector (C13).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the EHCU using a scan tool. Can communication with control units other than the EHCU be established?

Yes

=>Go to EHCU replacement.

No

=>Go to Parking aid system control unit inspection.

26. Parking aid system control unit inspection

1) Disconnect the parking aid system control unit harness connector (C16).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the parking aid system control unit using a scan tool. Can communication with control units other than the parking aid system control unit be established?

Yes

=>Go to Parking aid system control unit replacement.

No

=>Go to TCM inspection.

27. TCM inspection

1) Disconnect the TCM harness connector (E7).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the TCM using a scan tool. Can communication with control units other than the TCM be established?

Yes

=>Go to TCM replacement.

No

=>Go to Inspection of steering angle sensor.

28. Inspection of steering angle sensor

1) Disconnect the steering angle sensor harness connector (B33).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the steering angle sensor using a scan tool. Can communication with control units other than the steering angle sensor be established?

Yes

=>Go to Steering angle sensor replacement.

No

=>Go to SRS control unit inspection.

29. SRS control unit inspection

1) Disconnect the SRS control unit harness connector (B9 except for models with SRS Airbag (Driver and Passenger only), B8 for models with SRS Airbag (Driver and Passenger only)).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the SRS control unit using the scan tool. Can communication with control units other than the SRS control unit be established?

Yes

=>Go to SRS control unit replacement.

No

=>Go to Control panel inspection.

30. Control panel inspection

1) Disconnect the control panel harness connector (B10).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with the control units other than the control panel using a scan tool. Can communication with the control units other than the control panel be established?

Yes

=>Go to Control panel replacement.

No

=>Go to eCall unit inspection.

31. eCall unit inspection

1) Disconnect the eCall unit harness connector (B85).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the eCall unit using the scan tool. Can communication with control units other than the eCall unit be established?

Yes

=>Go to eCall unit replacement.

No

=>Go to BCM inspection.

32. BCM inspection

1) Disconnect the BCM harness connector (B18).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the BCM using a scan tool. Can communication with control units other than the BCM be established?

Yes

=>Go to BCM replacement.

No

=>Go to Wireless access module inspection.

33. Wireless access module inspection

1) Disconnect the wireless access module harness connector (B15 for models with Hi-Version, B13 except for models with Hi-Version).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with the control units other than the wireless access module using a scan tool. Can communication with the control units other than the wireless access module be established?

Yes

=>Go to Wireless access module replacement.

No

=>Go to Headlight auto leveling control unit inspection.

34. Headlight auto leveling control unit inspection

1) Disconnect the headlight auto leveling control unit harness connector (C99).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Check the communication status with control units other than the headlight auto leveling control unit using a scan tool. Can communication with control units other than the headlight auto leveling control unit be established?

Yes

=>Go to Headlight auto leveling control unit replacement.

No

=>Go to Information module inspection.

35. Information module inspection

1) Disconnect the information module harness connector (C105).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the information module using the scan tool. Can communication with control units other than the information module be established?

Yes

=>Go to Information module replacement.

No

=>Go to Audio center unit inspection.

36. Audio center unit inspection

1) Disconnect the audio center unit harness connector (B49).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the audio center unit using the scan tool. Can communication with control units other than the audio center unit be established?

Yes

=>Go to Audio center unit replacement.

No

=>Go to Instrument panel cluster inspection.

37. Instrument panel cluster inspection

1) Disconnect the instrument panel cluster harness connector (B7).

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

2) Turn ON the ignition switch.

3) Verify that communication can be established with control units other than the instrument panel cluster using a scan tool. Can communication with control units other than the instrument panel cluster be established?

Yes

=>Go to Instrument panel cluster replacement.

No

=>Go to Instrument panel cluster internal resistance inspection.

38. Instrument panel cluster internal resistance inspection

1) Disconnect the ECM harness connector (C9).

2) Measure the resistance of the ECM harness connector (pins 14 and 16 of C9) with a DMM. Is the resistance within the specified range?

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Value: 110 to 130 Ω

Yes

=>Go to ECM internal resistance inspection.

No

=>Go to Instrument panel cluster replacement.

39. ECM internal resistance inspection

1) Disconnect the instrument panel cluster harness connector (B7).

2) Measure the resistance of the instrument panel cluster harness connector (pins 21 and 22 of B7) with a DMM. Is the resistance within the specified range?

Refer to "LHD Controller Area Network (Except Central Gateway C/U)" in the ETM (wiring diagram). (Open using the ETM viewer.).

Value: 110 to 130 Ω

Yes

Repair the short to ground, short to the power supply circuit, open circuit, or the short together between the CAN Low circuit and CAN High circuit in the control unit.

=>Go to Repair verification.

No

=>Go to ECM replacement.

40. ECM replacement

Refer to "1.Engine 1Z.Engine Electrical Control(4JJ3 with DPD) ECM removal".

Refer to "1.Engine 1Z.Engine Electrical Control(4JJ3 with DPD) ECM installation".

Refer to "1.Engine 1Z.Engine Electrical Control(4JJ3 with DPD) ECM setting".

Procedure completion

=>Go to Repair verification.

41. Battery sensor replacement

Refer to "1.Engine 1J.Electrical(4JJ3 with DPD) battery sensor removal".

Refer to "1.Engine 1J.Electrical(4JJ3 with DPD) battery sensor installation".

Procedure completion

=>Go to Repair verification.

42. TCCM replacement

Refer to "3.Driveline, Axle 3Z.Driveline, Axle Electrical Control TCCM removal".

Refer to "3.Driveline, Axle 3Z.Driveline, Axle Electrical Control TCCM installation".

Procedure completion

=>Go to Repair verification.

43. Rear differential lock control unit replacement

Refer to "3.Driveline, Axle 3Z.Driveline, Axle Electrical Control rear differential lock control unit removal".

Refer to "3.Driveline, Axle 3Z.Driveline, Axle Electrical Control rear differential lock control unit installation".

Refer to "3.Driveline, Axle 3Z.Driveline, Axle Electrical Control rear differential lock control unit setting".

Procedure completion

=>Go to Repair verification.

44. EHCU replacement

Refer to "4.Brakes 4Z.Brake Electrical Control EHCU removal".

Refer to "4.Brakes 4Z.Brake Electrical Control EHCU installation".

Refer to "4.Brakes 4Z.Brake Electrical Control EHCU setting".

Procedure completion

=>Go to Repair verification.

45. Parking aid system control unit replacement

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control parking aid system control unit removal".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control parking aid system control unit installation".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control parking aid system control unit setting".

Procedure completion

=>Go to Repair verification.

46. TCM replacement

Refer to "5.Transmission, Transaxle 5Z.Transmission Electrical Control(AWR6B45) TCM removal".

Refer to "5.Transmission, Transaxle 5Z.Transmission Electrical Control(AWR6B45) TCM installation".

Refer to "5.Transmission, Transaxle 5Z.Transmission Electrical Control(AWR6B45) TCM setting".

Procedure completion

=>Go to Repair verification.

47. Steering angle sensor replacement

Refer to "6.Steering 6Z.Steering Electrical Control steering angle sensor removal".

Refer to "6.Steering 6Z.Steering Electrical Control steering angle sensor installation".

Refer to "6.Steering 6Z.Steering Electrical Control steering angle sensor setting".

Procedure completion

=>Go to Repair verification.

48. SRS control unit replacement

Refer to "8.Restraints 8Z.Seat Belt and SRS Airbag Electrical Control SRS control unit removal".

Refer to "8.Restraints 8Z.Seat Belt and SRS Airbag Electrical Control SRS control unit installation".

Procedure completion

=>Go to Repair verification.

49. Control panel replacement

Refer to "7.HVAC 7B.Heater Ventilator Airconditioner control panel and control lever removal".

Refer to "7.HVAC 7B.Heater Ventilator Airconditioner control panel and control lever installation".

Refer to "7.HVAC 7B.Heater Ventilator Airconditioner control panel and control lever setting".

Procedure completion

=>Go to Repair verification.

50. eCall unit replacement

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control eCall unit removal".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control eCall unit installation".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control eCall unit setting".

Procedure completion

=>Go to Repair verification.

51. BCM replacement

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control BCM removal".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control BCM installation".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control BCM setting".

Procedure completion

=>Go to Repair verification.

52. Wireless access module replacement

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module removal".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module installation".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module setting (with passive entry and start system)".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module setting (without passive entry and start system)".

Procedure completion

=>Go to Repair verification.

53. Headlight auto leveling control unit replacement

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control headlight auto leveling control unit removal".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control headlight auto leveling control unit installation".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control headlight auto leveling control unit setting".

Procedure completion

=>Go to Repair verification.

54. Information module replacement

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control information module removal".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control information module installation".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control information module setting".

Procedure completion

=>Go to Repair verification.

55. Audio center unit replacement

Refer to "9.Body, Cab, Accessories 9C.Electrical Control, Entertainment audio and navigation system removal".

Refer to "9.Body, Cab, Accessories 9C.Electrical Control, Entertainment audio and navigation system installation".

Refer to "9.Body, Cab, Accessories 9C.Electrical Control, Entertainment audio and navigation system setting".

Procedure completion

=>Go to Repair verification.

56. Instrument panel cluster replacement

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. instrument panel cluster removal".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. instrument panel cluster installation".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. instrument panel cluster setting".

Procedure completion

=>Go to Repair verification.

57. Repair verification

1) Check the vehicle specifications and verify the status of communication with the following control modules using a scan tool. Can communication with all the control modules be established?

Yes

The system is normal.

No

=>Go to Scan tool communication verification.