FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

J: No Operation In HIGH Blower Setting



Pinpoint Test J: No Operation In High Blower Setting

J1
Check Blower Motor Switch
- Perform the Blower Motor Switch component test.
Is the blower motor switch OK?
Yes
GO to J2.
No
REPLACE the blower motor switch.

J2 Check Wire Between A/C Blower Motor Resistor And Blower Motor Switch
- Key OFF.
- Locate and disconnect the A/C blower motor resistor connector C1.
- Locate and disconnect the blower motor switch connector.
- Measure the resistance of the "BL/W" wire between the A/C blower motor resistor connector C1 and the blower motor switch connector.
Is the resistance less than 5 ohms?
Yes
REPLACE the A/C blower motor resistor.
No
SERVICE the "BL/W" wire.