Diagnosis Procedure
- CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown (open).
Signal name
Fuse and fusible link No.
Battery power supply
L (40 A)
11 (10 A)
Is the fuse or fusible link blown (open)?
YES
Replace the blown (open) fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown (open).
NO
GO TO 2.
- CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connectors.
- Check voltage between BCM harness connector and ground.
Terminals
Voltage
(Approx.)
(+)
(-)
BCM
Ground
Connector
Terminal
M122
70
Battery voltage
57
Is the measurement value normal?
YES
GO TO 3.
NO
Repair harness or connector.
- CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
BCM
Ground
Continuity
Connector
Terminal
M122
67
Existed
Does continuity exist?
YES
INSPECTION END
NO
Repair harness or connector.