PINPOINT TEST QB: DTCs P0603 or P1633: Keep Alive Power (KAPWR): Introduction
WARNING: This page does not describe the selected car, but rather 35 other vehicles, including the 2007 Mercury Mountaineer, 2007 Mercury Monterey, 2007 Mercury Montego, 2007 Mercury Milan, and 2007 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- battery terminal condition
- KAPWR wire routing
- harness circuit: KAPWR
- powertrain control module (PCM) (12A650)
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Edge, F-150, Mark LT, MKX |
190 Pin | B54 | KAPWR |
| Escape, Five Hundred, Focus, Freestyle, Mariner, Montego |
150 (50-50-50) Pin | B45 | KAPWR |
| Expedition, Fusion, Milan, MKZ, Navigator |
140 Pin | B54 | KAPWR |
| Freestar/Monterey, Taurus |
104 Pin | 55 | KAPWR |
| All other vehicles | 170 Pin | B45 | KAPWR |