Test DP - Vehicle Speed Sensor (VSS): Notes
NOTE:
Perform this test when Code 29 is displayed during QUICK TESTS or when directed here by TEST TC.
NOTE:
This TEST is intended to diagnose the following:
- VSS harness circuits
- Vehicle Speed Sensor (VSS)
- ECA
TEST PIN WIRE COLOR IDENTIFICATION
| Application | Wire Color | |
|---|---|---|
| Pin 3, VSS DIF (+) | ||
| 5.0L MA PFI (Town Car) | Yellow/Light Blue | |
| All Others | Dark Green/White | |
| Pin 4, VSS DIF (-) | ||
| 5.0L MA PFI (Town Car) | Black/Light Blue | |
| 5.0L PFI | Black/White | |
| 5.0L PFI (Mark VII) | Purple/Light Blue | |
| All Others | Orange/Yellow | |