Entering Diagnostic Mode
Turn ignition on, engine off. While holding control switch in SET/COAST or RES/ACC position, press cruise main switch button. See Figure, step No. 1 and No. 2. After a short pause, CRUISE indicator light should repeatedly flash Code 2 (SET/COAST, step No. 1) or Code 3 (RES/ACC, step No. 2). This indicates diagnostic mode has been entered. Release control switch lever to its normal (neutral) position. Leave ignition on.