CHECK POWER SUPPLY FOR BLOWER MOTOR.

1) Turn the ignition switch to ON.

2) Turn the fan speed control dial to the right.

3) Measure the voltage between blower motor and chassis ground.

Connector & terminal

(B87) No. 1 (+) — Chassis ground (−):

QUESTION

Is the voltage 8 V or more (at normal temperature)?

Yes No

Repair the open circuit of blower motor power supply line harness.