B2616

B2616 IGNITION RELAY CIRCUIT





Description
BCM controls the various electrical components and simultaneously supplies power according to the power supply position.
BCM checks the power supply position internally.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON under the following conditions, and wait for at least 1 second.
- CVT selector lever is in the P or N position
- Release brake pedal
2. Check "Self diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Go to B2616.
NO - Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, refer to Coupe (coupe) or Sedan (sedan).
1. CHECK IGNITION RELAY POWER SUPPLY





1. Turn ignition switch OFF.
2. Disconnect ignition relay.
3. Check voltage between ignition relay harness connector and ground under the following conditions.





Is the inspection result normal?
YES - GO TO 3
NO - GO TO 2
2. CHECK IGNITION RELAY POWER SUPPLY CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect BCM harness connector.
3. Check continuity between ignition relay harness connector (A) and BCM harness connector (B).





4. Check continuity between ignition relay harness connector (A) and ground.





Is the inspection result normal?
YES - GO TO 6
NO - Repair or replace harness.
3. CHECK IGNITION RELAY GROUND CIRCUIT





1. Turn ignition switch OFF.
2. Check continuity between ignition relay harness connector and ground.





Is the inspection result normal?
YES - GO TO 4
NO - Repair or replace harness.
4. CHECK IGNITION RELAY POWER SUPPLY CIRCUIT-2





Check voltage between ignition relay harness connector and ground.





Is the inspection result normal?
YES - GO TO 5
NO - Repair or replace harness.
5. CHECK IGNITION RELAY
Refer to B2616.
Is the inspection result normal?
YES - GO TO 6
NO - Replace ignition relay.
6. CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- Inspection End.




Component Inspection (Ignition Relay)
1. CHECK IGNITION RELAY
1. Turn ignition switch OFF.
2. Remove ignition relay.





3. Check the continuity between ignition relay terminals under the following conditions.





Is the inspection result normal?
YES - Inspection End.
NO - Replace ignition relay.