Shift Point Too High Or Too Low
- Check main throttle position sensor circuit. See MAIN THROTTLE POSITION SENSOR CIRCUIT chart in TESTS W/CODES article.
- Check pattern select switch circuit. See PATTERN SELECT 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 ECU. See SYSTEM/COMP TESTS article.