CHECK BLOWER MOTOR RELAY.

1) Turn the ignition switch to OFF.

2) Remove the blower motor relay.

3) Connect the battery positive terminal to terminal No. 2 of blower motor relay, and negative terminal to terminal No. 4.

4) Measure the resistance between terminals.

Terminals

No. 1 — No. 5:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Replace the blower motor relay.