Manual Description
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and check that the symptom is not detected. Power window is operated to open and the operation continues as long as the keyfob unlock switch is P pressed. Modern C vehicle is equipped with many electronic control unit, and each control unit shares information and links with other control units during operation (not independent).
Each control unit transmits/receives data but selectively reads required data only. Check continuity between main power window and door lock/ unlock switch connector D7 terminal 15 and ground. Using an oscilloscope or analog voltmeter, check voltage J between horn relay harness connector and ground.
Homelink universal transceiver power supply uses vehicle battery, which enables it to maintain every program in case battery is discharged or removed. Press each of the transmitter buttons and watch for the red light to illuminate with each button. Disconnect auto anti-dazzling inside mirror (homelink universal transceiver) connector.
Manual Cover
General