DTC P1605: Automatic Transmission (A/T) Control: Procedure
- Turn ignition off. Disconnect ECM and TCM harness connectors. See Figure and Figure . Check continuity of Brown/White wire between ECM harness connector terminal No. 60 and TCM harness connector terminal No. 15. See Figure and Figure . Also check circuit for short to ground and short to voltage. Repair as necessary and retest system. If circuit is okay, go to next step.
- No problem is indicated at this time. Problem may be intermittent. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - INTRODUCTION article.