15. Eng Check Sig - LAN Monitoring

Inspection 15 ENG Check Sig - LAN Monitoring

DTC C1171

1. INSPECTION START







Check self-diagnosis results.

Self-diagnosis results
CONSULT-II display items
ENG CHECK SIG


Do self-diagnosis results indicate anything other than the above?

YES >> Perform repair or replacement for the item indicated.
NO >> GO TO 2.

2. CHECK ENGINE SYSTEM
1. Perform self-diagnostic procedures for ECM.

Self-diagnosis results
CONSULT-II display items
CAN-LAN CONVERTER COMM NG

Does the above self-diagnostic item appear on the display?

YES >> GO TO 6.
NO >> GO TO 3.

3. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS (1)

Does "LAN COMM 1" appear on display?

YES >> GO TO 4.
NO >> Replace CLC.

4. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS (2)

Does any other self-diagnostic item appear on display?

YES >> Repair or replace.
NO >> GO TO 5.

5. CHECK VOLTAGE
1. Check if battery voltage is too low (less than 9V) or battery terminals are loose.

OK or NG?

OK >> GO TO 6.
NG >> Faulty battery.

6. CHECK LAN CIRCUIT
1. Disconnect CAN-LAN converter (CLC), TCM and ECM connectors.










2. Check continuity between connector terminals.
Continuity should exist.

OK or NG?

OK >> Connect connectors and repeat self-diagnosis. Repair or replace.
NG >> Check the following
- Harness connectors M147, M78, F29
- Harness for open or short between ABS actuator and electric unit (control unit) and ECM
- Harness for open or short between ABS actuator and electric unit (control unit) and TCM
- Harness for open or short between ECM and TCM
If NG, repair harness or connectors.