Master Switch Input Test
Master Switch Input TestNOTE: Make sure the ignition switch is OFF before disconnecting the under-dash fuse/relay box connectors.
1. Before testing the power windows, troubleshoot the multiplex integrated control system using B-CAN System Diagnosis Test Mode A.
2. Turn the ignition switch OFF.
3. Remove the power window master switch.
4. Disconnect the 22P connector (A) and 14P connector (B) from the power window master switch (C).
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 power window master switch still disconnected, make these input tests at the connector
- 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 connectors to the switch. Turn the ignition switch ON (II) and perform 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.
8. Reset the power window control unit.