B2615

B2615 BLOWER RELAY CIRCUIT

Description

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


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 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 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- GO TO 6.
NO- Repair or replace harness.

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 POWER SUPPLY CIRCUIT-2

1.Turn ignition switch ON or ACC.
2.Check voltage between blower relay harness connector and ground.





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

5. CHECK BLOWER RELAY

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

6. CHECK INTERMITTENT INCIDENT

Refer to "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