B2611

B2611 ACC RELAY





Description
BCM turns ON the ACC relay to supply ACC power to each ECU when the power supply position changes to ACC.
BCM check ACC relay ON request for consistency with the actual ACC relay operation status.




DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC B2611 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to Power Distribution System .
- If DTC B2611 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to PCS.






DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
1. Turn the power supply position to ACC under the following conditions, and wait for at least 2 seconds.
- CVT selector lever is in P or N position
- Brake not depressed
2. Check "Self diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Go to B2611.
NO - Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, refer to Coupe (coupe) or Sedan (sedan).
1.CHECK ACC RELAY FEED BACK INPUT SIGNAL





Check voltage between BCM harness connector and ground under the following conditions.






Is the inspection result normal?
YES - GO TO 5
NO - GO TO 2
2.CHECK ACC RELAY POWER SUPPLY CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect ACC relay.
3. Check voltage between ACC relay harness connector and ground.






Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness.
3. CHECK FUSE
Check 10A fuse [No. 19, located in the fuse block (J/B)].
Is the inspection result normal?
YES - GO TO 4
NO - Replace fuse.
4. CHECK ACC RELAY FEEDBACK CIRCUIT
1. Disconnect BCM harness connector.





2. Check continuity between ACC relay harness connector (A) and BCM harness connector (B).





3. Check continuity between ACC relay harness connector and ground.






Is the inspection result normal?
YES - GO TO 5
NO - Repair or replace harness.
5. CHECK INTERMITTENT
Refer to Intermittent Incident.
- Inspection End.