Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2003 Mercury Sable, 2003 Mercury Mountaineer, 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Perform this test when instructed during QUICK TEST or if directed by other test procedures. This test is used to diagnose the following:
- Electronic shift control module and mechanical 4WD LOW wiring harness circuit (4WD LOW).
- Powertrain Control Module (PCM).
NOTE:
Electronic shift control module is also referred to as Generic Electronic Module (GEM).
4-WHEEL DRIVE SHIFT CONTROL MODULE
| Application | Location |
|---|---|
| Explorer & Mountaineer | Under Passenger's Side Of Dash, Near Center Console |
| Expedition & Navigator | Under Driver's Side Dash, Near Left Kick Panel |
| F150 Pickup | Under Driver's Side Of Dash, Near Steering Column |
| Ranger | Behind Right Kick Panel |