Diagnosis system (BCM)
U1000 CAN comm circuitPower supply and ground circuit
Diagnosis Procedure
1.CHECK GROUND CONNECTION-I
Turn ignition switch OFF.
Check ground connection E9. Refer to Ground Inspection
2.CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-I
Disconnect ECM harness connector.
Check the continuity between ECM harness connector and ground.
Also che ...
Preparation
PREPARATION
Special Service Tools
The actual shapes of the tools may differ from those illustrated here.
Commercial Service Tools
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Auto light system
Wiring Diagram
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