Power Window Relay: Testing and Inspection

INSPECT POWER MAIN RELAY CONTINUITY
If continuity is not as specified, replace the relay.




INSPECT KEY-OFF POWER WINDOW SIGNAL OPERATION OF INTEGRATION RELAY

HINT: When the ECU circuit is as specified, inspect the key-off power window signal.

a. Connect the positive (+) lead from the voltmeter to terminal 2 and the negative (-) lead to body ground.
b. Close the door with ignition switch turned to LOCK or ACC, and check that the meter needle indicates battery positive voltage.
c. Open the door and check that the meter needle indicates 0 V.
d. Turn the ignition switch ON and check that the meter needle indicates battery positive voltage again.
If operation is not as specified, replace the No.1 J/B.