B260A

B260A IGNITION RELAY





Description
BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned ON.
- Ignition relay-1 (inside IPDM E/R)
- Ignition relay-2 (inside fuse box)
- Front blower motor relay
BCM checks any ignition relay ON request for consistency with the actual ignition relay operation status.




DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC B260A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Power Distribution System.
- If DTC B260A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. PCS.
- If DTC B260A is displayed with DTC B261A, first perform the trouble diagnosis for DTC B261A. PCS.






DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON under the following conditions, and wait for at least 2 seconds.
- CVT selector lever is in the P or N position.
- Release the brake pedal.
2. Check "Self diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Go to B260A.
NO - Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, Power Distribution System.
1.CHECK DATA MONITOR
1. Turn ignition switch ON.
2. Check IGN RLY1-REQ and IGN RLY status with CONSULT-III. CONSULT-III Function (IPDM E/R).
Do IGN RLY1-REQ and IGN RLY signals change as expected?
YES - Intermittent Incident.
NO - IGN RLY1-REQ does not change. GO TO 2.
NO - IGN RLY does not change. GO TO 3.
2.CHECK CAN COMMUNICATION
Check CAN communication. CAN System Specification Chart.
Is the inspection result normal?
YES - Replace BCM. Body Control System.
NO - Repair harness of connector.
3.CHECK IGNITION RELAY SIGNAL





1. Turn ignition switch OFF.
2. Check voltage between IPDM E/R harness connector and ground.










3. Turn ignition switch ON.
4. Check voltage between IPDM E/R harness connector and ground.





Are the inspection results normal?
YES - Replace IPDM E/R. Service and Repair.
NO - Repair harness of connector.