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Symptom: *CHECKING THE A/C RELAY OUTPUT POSSIBLE CAUSES A/C CLUTCH RELAY OPERATION (Z1) GROUND CIRCUIT OPEN A/C CLUTCH (A17) FUSED B+ CIRCUIT (C3) A/C CLUTCH OUTPUT CIRCUIT A/C CLUTCH RELAY TEST ACTION APPLICABILITY 1 NOTE: Ensure that the refrigerant system is properly charged. Refer to the t, actuate the A/C Clutch Relay. Is the A/C Clutch actuating? All Yes → The A/C Clutch System operating properly at this time. Perform POWERTRAIN VERIFICATION TEST VER - 2 - NGC. No → Go To 2 2 Turn the ignition off. All Yes → Go To 3 No → Repair the (Z1) Ground circuit for an open. Perform POWERTRAIN VERIFICATION TEST VER - 2 - NGC. 3 Disconnect the A/C Clutch harness connector. t, actuate the A/C Clutch Relay. Measure the voltage of the A/C Clutch Relay Output circuit in the (C3) A/C Clutch All Yes → Replace the A/C Clutch. Perform POWERTRAIN VERIFICATION TEST VER - 2 - NGC. No → Go To 4 4 Turn the ignition off. All Yes → Go To 5 No → Repair the (A17) Fused B+ circuit. Inspect fuses and replace as necessary. 313 DRIVEABILITY - NGC |