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Cooling Fan Inoperative

  1. Ensure COOL FAN fuse (30-amp) in underhood junction block is okay. If fuse is okay, disconnect cooling fan motor connector. Connect voltmeter between ground and cooling fan motor connector terminal "B" (Light Blue wire). Disconnect A/C compressor clutch connector. Start engine and turn A/C system on. Check voltage between ground and cooling fan motor connector terminal "B". If voltage is not present, go to next step. If voltage is present, go to step 3).
  2. Turn engine off. Turn ignition switch to OFF position. Do not disconnect voltmeter. Disconnect PCM Light Blue 32-pin connector. Connect a jumper wire between ground and PCM connector terminal "J1C01" (Dark Green wire). If voltage is present at cooling fan connector terminal "B" (Light Blue wire), replace PCM. If voltage is not present at cooling fan connector terminal "B" (Light Blue wire), replace cooling fan relay. Ensure proper cooling fan operation. Reconnect A/C compressor clutch connector.
  3. Turn engine off. Turn ignition switch to OFF position. Check for open in Black wire between ground and cooling fan motor connector terminal "A". If Black wire is okay, replace cooling fan motor. Ensure proper cooling fan operation. Reconnect A/C compressor clutch connector.
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