PINPOINT TEST KM: Air Conditioning Clutch Relay (A/CCR) Circuit: Introduction
WARNING:
Crown Victoria Police Interceptor vehicles equipped with fire suppression system, refer to FIRE SUPPRESSION SYSTEM
article for Important Safety Warnings. Failure to follow these instructions may result in personal injury.
This pinpoint test is intended to diagnose the following:
- A/CCR
- harness circuits: VPWR, A/CCR, A/CCS
- powertrain control module (PCM) (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Expedition, F-150, Mark LT, Navigator |
A | 1 2 |
A/CCR VPWR |
| All other vehicles | B | 1 2 |
A/CCR VPWR |
The VPWR and A/CCR circuits may be reversed in the harness connector. Refer to the appropriate SYSTEM WIRING DIAGRAMS article for additional information.
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series, F-Super Duty |
170 Pin | E3 | A/CCR |
| Edge, F-150, Mark LT, MKX |
190 Pin | B18 | A/CCR |
| Escape, Focus, Mariner |
150 (50-50-50) Pin | B25 | A/CCR |
| Expedition, Navigator |
140 Pin | B18 | A/CCR |
| Five Hundred, Freestyle, Montego |
150 (50-50-50) Pin | B14 | A/CCR |
| Freestar/Monterey, Taurus |
104 Pin | 69 | A/CCR |
| Fusion, Milan, MKZ |
140 Pin | B64 | A/CCR |
| All other vehicles | 170 Pin | B14 | A/CCR |