Pinpoint Test DS: Air Conditioning Pressure (ACP) Transducer Sensor: Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- ACP transducer sensor (19D594)
- harness circuits: ACP, VREF, and SIGRTN
- powertrain control module (PCM) (12A650)
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Crown Victoria | 170 Pin | E57 B35 B47 B26 |
VREF VPWR PWRGND ACP |
| E-Series 4.6L | 190-Pin | E63 B67 B22 B31 |
VREF VPWR PWRGND ACP |
| E-Series 6.8L | 170 Pin | E57 B35 B47 B15 |
VREF VPWR PWRGND ACP |
| E-Series 5.4L, Expedition, F-150, Navigator |
190-Pin | B52, E63 B67 B22 B31 |
VREF VPWR PWRGND ACP |
| Escape/Mariner | 190-Pin | B52, E35 B67 B69 B31 |
VREF VPWR PWRGND ACP |
| Explorer, Explorer Sport Trac, Mountaineer |
170 Pin | B40, E57 B35 B47 B18 |
VREF VPWR PWRGND ACP |
| Focus | 190-Pin | B52, B66, E63 B67 B69 B31 |
VREF VPWR PWRGND ACP |
| Fusion, Milan, MKZ |
140 Pin | B33, E57 B51 B67 B63 |
VREF VPWR PWRGND ACP |
| Grand Marquis, Mustang, Town Car |
170 Pin | B40, E57 B35 B47 B26 |
VREF VPWR PWRGND ACP |
| All other vehicles | 190-Pin | B29, B64 B51 B67 B37 |
VREF VPWR PWRGND ACP |