NOTE: Do not use this troubleshooting procedure if the A/C compressor is inoperative. Refer to the symptom troubleshooting index.
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YES
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-
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NO
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-
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Replace the relays.■
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Reinstall the relays.
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Jump the SCS line with the HDS.
NOTE: This step must be done to protect the engine control module (ECM)/powertrain control module (PCM) from damage.
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Disconnect ECM/PCM connector A (49P).
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Connect the ECM/PCM connector A (49P) No. 6 terminal to body ground with a jumper wire.
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Turn the ignition switch to ON (II).
YES
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-
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Check for loose wires or poor connections at ECM/PCM connector A (49P). If the connections are good, substitute a known-good ECM/PCM, and recheck. If the symptom/indication goes away,
replace the original ECM/PCM
.■
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NO
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-
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Repair open in the wire between the radiator fan relay, the A/C condenser fan relay and the ECM/PCM.■
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