B2614

B2614 ACC 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 the power supply position to ACC under the following conditions, and wait for 1 second or more.
-Selector lever is in the P or N position
-Do not depress brake pedal
-Do not depress clutch pedal
2.Check "Self-diagnostic result" with CONSULT.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK ACCESSORY RELAY POWER SUPPLY-1

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





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect BCM connector.
3.Check continuity between accessory relay harness connector and BCM harness connector.





4.Check continuity between accessory relay harness connector and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace harness.

3. CHECK ACCESSORY RELAY GROUND CIRCUIT

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





Is the inspection result normal?
YES- GO TO 4.
NO- Repair accessory relay ground circuit.

4. CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT-2

1.Turn ignition switch ACC.
2.Check voltage between accessory relay harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- Check continuity open or short between accessory relay and battery.

5. CHECK ACCESSORY RELAY

Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 6.
NO- Replace accessory relay.

6. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK ACCESSORY RELAY

1.Turn ignition switch OFF.
2.Remove accessory relay.





3.Check the continuity between accessory relay terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace accessory relay