Rear Wiper LED Flashing Once, Int. LED Flashing Once
THE MODE ACTUATOR DID NOT REACH DEFROST POSITION1. Using a voltmeter, check the mode door actuator wiring connector. Check Pin 1 for battery voltage. Move the HVAC control from the defrost to panel position, and check Pin 6 voltage it should change from 0.5 - 1 volts to 3.5 - 4.5 volts. If voltage is OK, go to Step 2. If not OK, check for loose or corroded connector, open or shorted circuit and repair as necessary.
2. Remove actuator, and check if the gear pins are in the correct track on cam or if they are binding. If OK, go to Step 3. If not OK, repair as necessary.
3. Check for binding door, if door is binding repair as necessary If gears and door are OK, replace actuator.
4. Once repairs are completed repeat the Calibration Diagnostic and Cool-down test. Repeating the test is necessary to clear the fault codes.