EATX PRNDL Message Test Failed
NOTE:
After making any repairs, perform BODY VERIFICATION TEST
under VERIFICATION TESTS.
- If transaxle operates properly, go to next step. If transaxle does not operate properly, go to appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
- Turn ignition off. Disconnect Transmission Control Module (TCM) connector. TCM is located in engine compartment on right front fenderwell. Inspect connector for damaged pins, corrosion and loose terminals. Repair connector as necessary. If connector is okay, turn ignition on. Connect on end of a jumper wire to ground. Using other end of jumper wire, backprobe terminal No. 43 (Violet/Brown wire) at TCM connector. See Fig 1 . Using scan tool, select BODY, BODY COMPUTER, then SYSTEM TEST. Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, repair open in Violet/Brown wire. If scan tool displays BUS SHORT TO GROUND, go to next step.
- Disconnect jumper wire from terminal No. 43 and reconnect jumper wire to terminal No. 4 (White/Black wire) at TCM connector. Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, repair open in White/Black wire. If scan tool displays BUS SHORT TO GROUND, replace TCM. Set pinion factor to ensure correct tire size is set for proper speedometer operation. See appropriate PINION FACTOR PROCEDURE in COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION.