Power Window Master Switch Input Test

1.	Remove the power window master switch (A).

2.	Disconnect the 20P connector (B) from the master switch.

3.

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, make the following input tests at the connector. If a test indicates a problem, find and correct the cause, then recheck the system. If all the input tests prove OK, go to 4.

4.

With the connector 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 5. Cavity  Wire  Test condition  Test: Desired result  Possible cause if result is not obtained  4[6]  BLK  Under all condition  Check for continuity to ground: There should be continuity.  Poor ground (G401) An open in the wire   8[2]  14  GRN/WHT  Under all conditions  Check for voltage to ground: There should be battery voltage.  Blown No. 2 (20A) fuse in the under-dash fuse/relay box An open in the wire   5  GRN  Ignition switch ON (II)  Check for voltage to ground: There should be battery voltage.  Blown No. 21 (10A) fuse in the under-dash fuse/relay box Blown No. 4, 13 or 14 (20A) fuse in the under-dash fuse/relay box Faulty power window relay An open in the wire   2[8]  GRN/BLK  18  YEL/RED  11  YEL/BLU  6[4]  RED/YEL  Connect the No. 14 and No. 6 [No. 4] terminals, and the No. 7[No. 3]and No. 4[No. 6]terminals, and turn the ignition switch ON (II).  Check for driver's window motor operation: It should run (the driver's window moves down).  Faulty driver's window motor An open in the wire   7[3]  RED/BLK  1[9]  BLU/RED  Connect the No. 2 and No. 3[No. 7] terminals, and the No. 1[No. 9] and No. 8[No. 2]terminals, and turn the ignition switch ON (II).  Check for front passenger's window motor operation: It should run (the front passenger's window moves down).  Faulty front passenger's window motor Faulty front passenger's window switch An open in the wire   3[7]  BLU/WHT  19  BRN/WHT  Connect the No. 18 and No. 17 terminals, and the No. 19 and No. 8[No. 2] terminals, and turn the ignition switch ON (II).  Check for left rear window motor operation: It should run (the left rear window moves down).  Faulty left rear window motor Faulty left rear window switch An open in the wire   17  BRN  12  BLU/ORN  Connect the No. 11 and No. 10 terminals, and the No. 12 and No. 8[No. 2]terminals, and turn the ignition switch ON (II).  Check for right rear window motor operation: It should run (the right rear window moves down).  Faulty right rear window motor Faulty right rear window switch An open in the wire   10  BRN/YEL

5.

Reconnect the 20P connector to the switch, 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. Cavity  Wire  Test condition  Test: Desired result  Possible cause if result is not obtained  16  RED/WHT  Ignition switch ON (II)  Check for voltage to ground: There should be battery voltage.  Faulty power window master switch An open in the wire   9[1]  LT GRN  Under all conditions  Check for voltage to ground: There should be battery voltage.  An open in the wire   20  BLU  Ignition switch ON (II), and the driver's window switch AUTO DOWN  Check for voltage between the No. 20 and No. 9[No. 1]terminals: There should be 0 V-about 5 V-0 V-about 5 V repeatedly.  Blown No. 2 (20A) fuse in the under-dash fuse/relay box Faulty power window relay Faulty power window master switch An open in the wire   13  ORN  Ignition switch ON (II), and the driver's window switch AUTO DOWN  Check for voltage between the No. 13 and No. 9[No. 1]terminals: There should be 0 V-about 5 V-0 V-about 5 V repeatedly.  [ ]:RHD type