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Entering Diagnostic Mode

  1. To enter diagnostic mode for switches, turn ignition on and go to next step. To enter diagnostic mode for vehicle speed sensor, raise and support vehicle. Start engine and place gear selector in Drive. Go to next step.
  2. While holding cruise control switch in SET/COAST or RES/ACC position, turn cruise main switch on (press button on end of lever). After a short pause (about 3 seconds), CRUISE indicator light should repeatedly flash 2 or 3 times. This indicates diagnostic mode has been entered. Release control switch lever to its normal (neutral) position. Check input signals. See CHECKING INPUT SIGNALS .