DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.CONFIRM SYMPTOM
Confirm symptom or customer complaint.
2.CHECK SELF-DIAGNOSIS OPERATION OF COMBINATION METER
Perform self-diagnosis of combination meter. Refer to MWI-29, "Diagnosis Description".
3.CHECK COMBINATION METER (CONSULT)
Select "METER/M&A" on CONSULT and perform "SELF-DIAGNOSIS" of combination meter. Refer to MWI- 29, "CONSULT Function (METER/M&A)".
4.CONFIRM OPERATION
The fuel gauge pointer does not move
Description
Fuel gauge needle will not move from a certain position.
Diagnosis Procedure
1.CHECK COMBINATION METER INPUT SIGNAL
Select "METER/M&A" on CONSULT.
Using "FUEL METER" of "DATA MONITOR", compare
the monitor value with the fuel gauge reading on
the co ...
CAN communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose
connection.
2.CHECK HARNESS CON ...
Power 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 ...