B2615

B2615 BLOWER 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.
-A/T 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 .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK BLOWER RELAY POWER SUPPLY

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





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

2. CHECK BLOWER RELAY POWER SUPPLY CIRCUIT

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





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





Is the inspection result normal?
YES- Replace BCM. Removal and Installation.
NO- Repair or replace harness or connector.

3. CHECK BLOWER RELAY GROUND CIRCUIT

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





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

4. CHECK BLOWER RELAY

.
Is the inspection result normal?
YES- GO TO 5.
NO- Replace blower relay.

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK BLOWER RELAY

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





3.Check the continuity between blower relay terminals.





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