No Lock-Up

Check solenoid No. 3 circuit. See CODE 64 in TESTS W/CODES article.
Check main throttle position sensor circuit. See MAIN THROTTLE POSITION SENSOR CIRCUIT chart in TESTS W/CODES article.
Check stoplight switch circuit. See STOPLIGHT SWITCH CIRCUIT chart in TESTS W/CODES article.
Check speed sensor No. 1. See CODE 42 in TESTS W/CODES article.
Check speed sensor No. 2. See CODE 61 in TESTS W/CODES article.
Check neutral start switch circuit. See NEUTRAL START SWITCH CIRCUIT chart in TESTS W/CODES article.
Check water temperature sensor. See CODE 22 in TESTS W/CODES article.
Check transmission for mechanical failure.
Check ECU. See SYSTEM/COMP TESTS article.