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.