Cube L4-1.8L (MR18DE) (2010)
2.CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the data link connector terminals.
Is the inspection result normal?
YES - GO TO 3.
NO - Check the harness and repair the root cause.
3.CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal?
YES - GO TO 4.
NO - Check the harness and repair the root cause.
4.CHECK ECM AND BCM TERMINATION CIRCUIT
1. Remove the ECM and the BCM.
1 : ECM or BCM
2. Check the resistance between the ECM terminals.
3. Check the resistance between the BCM terminals.
Is the measurement value within the specification?
YES - GO TO 5.
NO - Replace the ECM and/or the BCM.
5.CHECK SYMPTOM
Connect all the connectors. Check if the symptoms described in the "Symptom (Results from interview with customer)" are reproduced.
Inspection result
Reproduced-GO TO 6.
Non-reproduced-Start the diagnosis again. Follow the trouble diagnosis procedure when past error is detected.
6.CHECK UNIT REPRODUCTION