Power Window Master Switch Input Test

Power Window Master Switch Input Test

NOTE: Make sure the ignition switch is to LOCK (0) before disconnecting the connectors.

1. Before testing the power windows, troubleshoot the multiplex integrated control system using B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

2. Turn the ignition switch to LOCK (0).

3. Remove the power window master switch Power Window Master Switch Replacement.

4. Disconnect the 23P connector (A) from the power window master switch (B).






5. Inspect the connector and socket terminals to be sure they are all making good contact.

- If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
- If the terminals look OK, go to step 6.

6. With the connector still disconnected, do the following input tests:

- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, go to step 7.





7. Reconnect the connector to the power window master switch, turn the ignition switch to ON (II) and do the following input tests:

- If any test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, the control unit must be faulty; replace the power window master switch Power Window Master Switch Replacement, and go to step 8.













8. Reset the power window control unit Testing and Inspection.