A/T Gear Position Indicator Circuit Troubleshooting

Symptom:  A/T gear position indicator does not indicate the shift lever position, the [D] indicator does not blink, and no transmission range switch DTCs are indicated.


1.Turn the ignition switch ON (II).

2.Measure the voltage between gauge assembly connector terminal B2 and body ground. The shift lever can be in any position.

Is there battery voltage?


YES - Faulty A/T gear position indicator in the gauge assembly, replace the gauge assembly.n


NO - Go to 3.

3.Measure the voltage between PCM connector terminal D10 and body ground.

Is there battery voltage?


YES - Repair open or short in the wire between PCM connector terminal D10 and the gauge assembly connector terminal B2.n


NO - Check for loose terminal fit in the PCM connectors. If necessary, substitute a known-good PCM and recheck.n