C1177

Inspection 22 - CAN-LAN Converter Power Supply Circuit

DTC C1177

1. SELF-DIAGNOSIS RESULT CHECK 1







Check self-diagnosis results.

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

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

2. SELF-DIAGNOSIS RESULT CHECK 2
1. Disconnect the CAN-LAN converter (CLC) connector. Securely connect it again.
2. Perform self-diagnosis.

Does "CLC BATTERY VOLTAGE [ABNORMAL] appear on display?

YES >> GO TO 3.
NO >> Repair or replace the connector.

3. CHECK CLC POWER SUPPLY CIRCUIT
1. Disconnect CLC connector.
2. Turn ignition switch ON.







3. Check voltage between CLC connector M147 terminal 1 (W/B) and ground.
Battery voltage should exist.

OK or NG?

OK >> GO TO 4.
NG >> Repair harness or connectors.

4. CHECK CLC GROUND CIRCUIT






1. Check continuity between CLC connector M147 terminal 10 (B) and ground.

Continuity should exist.

OK or NG?

OK >> Reconnect connectors and perform self-diagnosis. Repair or replace.
NG >> Repair harness or connectors.