TC32 - Check Harness For Intermittent Shorts to Ground

- Key "OFF".

- Breakout box installed, Powertrain Control Module (PCM) disconnected.

- Disconnect transmission 12-pin connector. Inspect for damaged or pushed out pins, corrosion, loose wires, etc. Service as necessary.

- Key "ON", engine "OFF".

Test Pin Chart:

- Refer to the chart above. Connect a test lamp between the suspect shift solenoid test pins and test pin 37.

- Observe test lamp for an indication of fault while performing the following (light will turn on when a fault is detected, indicating a short to ground):
- Shake, wiggle and bend the shift solenoid circuit from the transmission to the PCM.

- Repeat the test for remaining shift solenoid circuits.

- Is a fault indicated?

Yes -- Isolate fault and service as necessary. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- For further diagnosis using the EEC-IV monitor box, refer to Normal Scan Data Values. If an EEC-IV monitor box is not available, go to pinpoint test step TD22 and use procedure to check the shift solenoid circuits). TD22 - Road Test