B2615

B2615 FRONT BLOWER MOTOR 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.
- 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 B2615.
NO - Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, Power Distribution System.
1.CHECK FRONT BLOWER MOTOR RELAY POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect front blower motor relay.





3. Check voltage between front blower motor relay harness connector and ground under the following conditions.





Is the inspection result normal?
YES - GO TO 3
NO - GO TO 2
2. CHECK FRONT BLOWER MOTOR RELAY POWER SUPPLY CIRCUIT





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





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





Is the inspection result normal?
YES - GO TO 6
NO - Repair or replace harness.
3. CHECK FRONT BLOWER MOTOR RELAY GROUND CIRCUIT





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





Is the inspection result normal?
YES - GO TO 4
NO - Repair front blower motor relay ground circuit.
4.CHECK FRONT BLOWER MOTOR RELAY POWER SUPPLY CIRCUIT-2





Check voltage between front blower motor relay harness connector and ground.





Is the inspection result normal?
YES - GO TO 5
NO - Repair or replace harness.
5. CHECK FRONT BLOWER MOTOR RELAY
B2615.
Is the inspection result normal?
YES - GO TO 6
NO - Replace front blower motor relay.
6. CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- Inspection End.




Component Inspection (Front Blower Motor Relay)
1.CHECK FRONT BLOWER MOTOR RELAY
1. Turn ignition switch OFF.
2. Remove front blower motor relay.





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





Is the inspection result normal?
YES - Inspection End.
NO - Replace front blower motor relay.