Blower Motor Switch: Testing and Inspection

Heater A/C Blower Switch Test
1. Remove Heater A/C control module.

Blower Switch Test:

2. Use a ohmmeter, and check continuity between the terminals of the switch as shown in the Blower Switch Test.
3. If the switch fails any part of the continuity test, other then Pin 1 to Pin 7, replace Heater A/C Control. If no continuity between Pin 1 to Pin 7 check the lamps, replace if necessary.

Heater Blower Switch Test
1. Remove heater control.

Heater Blower Switch Test:

2. Use a ohmmeter, and check continuity between the terminals of the switch as shown in the Heater Blower Test.
3. If switch fails any part of the continuity test, other then Pin 1 to Pin 7, replace heater control. If no continuity between Pin 1 to Pin 7 check the lamps, replace if necessary.