Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) — 2016 workshop reference 3460

B2 CHECK THE A/C (AIR CONDITIONING) CLUTCH RELAY

Carry out the component test on the A/C clutch relay. Refer to Wiring Diagrams Cell 149 for schematic and connector information.

Did the relay pass the component test?

Yes		GO to B3
No	INSTALL a new A/C clutch relay.

B3 CHECK THE A/C (AIR CONDITIONING) CLUTCH RELAY CONTROL CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF. Disconnect A/C clutch relay. Disconnect PCM, 2.3L C1551B, 3.7L C1381B or 5.0L and 5.2L C175B. Ignition ON. Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
A/C clutch relay socket 2		Ground

Is any voltage present?

Yes		REPAIR the circuit.
No	GO to B4

B4 CHECK THE A/C (AIR CONDITIONING) CLUTCH RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
A/C clutch relay socket 2		Ground

Is the resistance greater than 10,000 ohms?

Yes		GO to B5
No	REPAIR the circuit.

B5 CHECK THE A/C (AIR CONDITIONING) CLUTCH RELAY CONTROL CIRCUIT FOR AN OPEN

Source reference 3460

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.