Flow Chart – Blower Motor (page 3 of 5)

from page 5

1. Turn the ignition switch OFF.
2. Disconnect the blower motor relay from the passenger compartment fusebox.
3. Test the blower motor relay.
4. Is the relay OK? NO Replace the blower motor relay. YES
5. Turn the ignition switch ON.
6. Measure the voltage between the No. 2 terminal (+) and earth (-). NO Replace the passenger compartment fusebox. YES
7. Is there battery voltage?
8. Turn the ignition switch OFF.
9. Measure the voltage between the No. 3 terminal (+) and earth (-).
10. Is there battery voltage? NO Repair open in the WHT wire between the the engine compartment fusebox and the passenger compartment fusebox. YES
11. Check for continuity in the BLK wire between the No. 4 terminal and earth.
12. Is there continuity? NO Check for an open in the BLK wire between the passenger compartment fusebox and earth. If the wire is OK, check for a poor earth at G401 and G402 (LHD). YES
13. Repair open in the YEL/BLK wire between the passenger compartment fusebox and the blower motor.