CHECK BLOWER MOTOR POWER SUPPLY.

1) Turn the ignition switch to OFF.

2) Install the blower motor relay.

3) Disconnect the blower motor connector.

4) Turn the ignition switch to ON.

5) Turn the blower switch to ON.

6) Use a tester to measure the voltage between the blower motor connector and chassis ground.

Connector & terminal

(B87) No. 2 — Chassis ground:

QUESTION

Is the voltage 10 V or more?

Yes No

Repair or replace the harness between the blower motor relay and the blower motor.