B2618

B2618 BCM

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn power switch ON, and wait for 1 second or more.
2.Check "Self-diagnosis result" of BCM with CONSULT.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL

Check voltage between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- GO TO 2.

2. CHECK IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT

1.Turn power switch OFF.
2.Disconnect BCM connector and IPDM E/R.
3.Check continuity between BCM harness connector and IPDM E/R harness connector.





4.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CHECK VOLTAGE OF IGNITION RELAY (IPDM E/R) CONTROL SIGNAL CIRCUIT (IPDM E/R SIDE)

1.Connect IPDM E/R connector.
2.Check voltage between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- Replace IPDM E/R.