Flow Chart: Both Fans (cont'd)
15-35flowchart1
(From page 15-34)
2
Turn the ignition switch ON.
3
Do both fan motors run?
NO
Repair open in BLU/RED2 wire between the pressure switch and thermostat switch.
YES
4
Connect a jumper wire between the BLU/RED2 and BLU/RED3 terminals of the thermostat switch connector.
5
Do both fan motors run?
YES
Replace the thermostat switch.
NO
6
Reconnect the 2P connector to the thermostat switch. Disconnect the 5P connector from the A/C switch.
7
Connect the BLU/RED3 terminal to the body ground.
8
Do both fan motors run?
NO
Repair open in BLU/RED3 wire between the thermostat switch and A/C switch.
YES
9
Connect the BLU/RED3 and GRN terminals with a jumper wire.
10
Do both fan motors run?
YES
Replace the A/C switch.
NO
11
Check the heater fan switch (page 15-23).
12
Is the heater fan switch OK?
NO
Replace the heater fan switch.
YES
(To page 15-36)