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Master Switch Input Test

Master Switch Input Test

1. Before testing the power windows, troubleshoot the multiplex integrated control system using B-CAN System Diagnosis Test Mode A.
2. Remove the driver's door switch trim.




3. Disconnect the 23P connector (AI from the power window switch (B).
4. 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 5.





NOTE:Technicians please note that several cavities require the number 3 terminal to be grounded to a body ground this is noted in either the wire color cell or test condition cell this only applies to the cavities noted all other instruction to be followed as presented, due to manual update from OEM. Aug.19th 2005.

5. 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 6.

6. Reconnect the 23P connector to the switch.




7. Turn the ignition switch to ON (II) to keep the system awake 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.

NOTE: Reference voltage is approximately 5 V when system is awake. The voltage drops to 0.8 V when the system goes into sleep mode.