Troubleshooting
Contents
1. Troubleshooting Flow Chart Both Fans m Radiator fan and condenser fan do not run Inspect fuse No 15 15A Turn the ignition switch OFF Disconnect the dual Pressure switch Connect the BLU RED1 terminal to body ground Do both fans run NO YES Connect a jumper wire between the BLU RED1 and BLU RED2 terminals Do both fan motors run YES NO Remove the jumper wire and reconnect the 2P connector to the pressure switch Disconnect the 2P connector from the thermostat switch Connect a jumper wire between the BLU RED2 terminal and body ground To page 15 35 BLU RED1 BLU RED2 View from terminal side Repair open in BLU RED1 wire between diode and pressure switch or faulty di ode NOTE Check A C pressure first may be low on refrigerant Replace the dual pressure switch BLU RED3 BLU RED2 View from wire side 15 34 From page 15 34 Turn the ignition switch ON NO Repair open in BLU RED2 Do both fan motors run wire between the pressure switch and thermostat switch YES Connect a jumper wire between the BLU RED2 and BLU RED3 terminals of the thermostat switch connector Do both fan motors run AES Replace the thermostat switch NO BLU RED3 Reconnect the 2P connector to the thermostat switch Discon nect the 5P connector from the A C switch GRN Connect the BLU RED3 term2. inal to the body ground View from wire side NO Repair open in BLU RED3 Do both fan motors run wire between the thermostat switch and A C switch YES Connect the BLU RED3 and GRN terminals with a jumper wire Do both fan motors run YES Replace the A C switch NO Check the heater fan switch page 15 23 NO Replace the heater fan Is the heater fan switch OK Stele YES To page 15 36 cont d 15 35 Troubleshooting Flow Chart Both Fans cont d From page 15 35 Reconnect the 5P connector to the A C switch and disconnect the 6P connector from the heater fan switch Connect a jumper wire between the GRN terminal and body ground Do both fans run YES GRN View from wire side Repair open in GRN wire between the heater fan switch and A C switch Repair open in BLK wire be tween the heater fan switch and ground or poor ground G201 15 36
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