Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC)

P0645

A/C Clutch Relay Control Circuit

GO to Pinpoint Test B

P06A0

Variable A/C Compressor Control Circuit

GO to Pinpoint Test N

P1464

A/C Demand Out Of Self Test Range

If the HVAC selector was not powered off, POWER the HVAC off, CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test. If the DTC returns, GO to Pinpoint Test H

P193E

A/C Clutch Request Signal

GO to Pinpoint Test O

All Other PCM Diagnostic Trouble Codes (DTCs)

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For 2.3L PCM DTC Chart, REFER to: Electronic Engine Controls (303-14A Electronic Engine Controls - 2.3L EcoBoost (231kW/314PS), Diagnosis and Testing). For 3.7L PCM DTC Chart, REFER to: Electronic Engine Controls (303-14B Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Diagnosis and Testing). For 5.0L PCM DTC Chart, REFER to: Electronic Engine Controls (303-14C Electronic Engine Controls - 5.0L 32V Ti-VCT/5.0L Ti-VCT V8 (308kW/418PS), Diagnosis and Testing). For 5.2L PCM DTC Chart, REFER to: Electronic Engine Controls (303-14D Electronic Engine Controls - 5.2L 32V Ti-VCT, Diagnosis and Testing).

A module does not communicate with the diagnostic scan tool

Fuse(s) Wiring, terminals or connectors

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

Externally Controlled Variable Displacement Compressor (EVDC) poor performance/does not operate correctly

Refer to Pinpoint Test

GO to Pinpoint Test N

Unable To Duplicate The Customer Concern And No Diagnostic Trouble Codes (DTCs) Present

Refer to Pinpoint Test

GO to Pinpoint Test C