Operation CHARM: Car repair manuals for everyone.

BCM (Body Control Module)




DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. DTC CONFIRMATION

1.Erase DTC.
2.Turn the ignition switch OFF.
3.Perform the "Self Diagnostic Result" of CONSULT, when passed 2 seconds or more after the ignition switch is turned ON.
Is any DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK BCM IGNITION POWER SUPPLY CIRCUIT

Check BCM ignition power supply circuit. Refer to "Diagnosis Procedure" Power Supply And Ground Circuit.
Is the circuit normal?
YES- GO TO 2
NO- Repair the malfunctioning part.

2. CHECK IPDM E/R POWER SUPPLY CIRCUIT

Check IPDM E/R power supply circuit. Refer to "Diagnosis Procedure" Testing and Inspection.
Is the circuit normal?
YES- GO TO 3.
NO- Repair the malfunctioning part.

3. CHECK IPDM E/R IGNITION RELAY STATUS

CONSULT DATA MONITOR
1.Select "IGN RLY" of IPDM E/R data monitor item.
2.With operating the ignition switch, check the monitor status.





Is the item status normal?
YES- Replace BCM. Refer to "Exploded View" Exploded View.
NO- Replace IPDM E/R. Refer to "Exploded View" Exploded View.