N4 CHECK THE A/C (AIR CONDITIONING) COMPRESSOR DISPLACEMENT CONTROL SOLENOID PWM (PULSE WIDTH MODULATION) CIRCUIT FOR A SHORT TO VOLTAGE
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C1110-1 | Ground |
Is any voltage present?
Yes | REPAIR the circuit. | |
|---|---|---|
No | GO to N5 | |
N5 CHECK THE A/C (AIR CONDITIONING) COMPRESSOR DISPLACEMENT CONTROL SOLENOID PWM (PULSE WIDTH MODULATION) CIRCUIT FOR AN OPEN
Ignition OFF. Measure:
Click to display connectors
2.3L
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C1110-1 | C1551B-41 |
Is the resistance less than 3 ohms?
Yes | INSTALL a new A/C compressor. For 2.3L REFER to: Air Conditioning (A/C) Compressor - 2.3L EcoBoost (201kW/273PS) (412-00 Climate Control System - General Information, Removal and Installation). CLEAR the DTC and REPEAT the self-test. If the DTC returns, GO to N6 | |
|---|---|---|
No | REPAIR the circuit. | |
N6 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION
Ignition OFF. Disconnect and inspect all PCM connectors. Repair:
corrosion (install new connector or terminals – clean module pins) damaged or bent pins – install new terminals/pins pushed-out pins – install new pins as necessary
Reconnect the PCM connectors. Make sure they seat and latch correctly. Operate the system and determine if the concern is still present.
Is the concern still present?
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.