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

1. PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions, and wait for at least 1 second.

• CVT selector lever is in the P or N position.
• Release brake pedal.

2. Check "Self diagnostic result" with CONSULT-III. 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 under the following conditions.

2. CHECK BLOWER RELAY POWER SUPPLY CIRCUIT

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

4. Check continuity between blower relay harness connector (A) and ground.

3. CHECK BLOWER RELAY GROUND CIRCUIT

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

5. CHECK BLOWER RELAY Refer to "Component Inspection (Blower Relay)".

Is the Inspection result normal?
YES >> GO TO 6
NO >> Replace blower relay.

6. CHECK INTERMITTENT INCIDENT Refer to See: Testing and Inspection\Initial Inspection and Diagnostic Overview\Service Information For Electrical Incident\Intermittent Incident.

>> Inspection End.

Component Inspection (Blower Relay)

1. CHECK BLOWER RELAY

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

3. Check the continuity between blower relay terminals under the following conditions.