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Power Window Master Switch Input Test

NOTE: Before testing, make sure the No. B42 (20 A), No. B43 (20 A), No. B44 (20 A), and No. B45 (20 A) fuses in the under-dash fuse/relay box are OK.
  1. Turn the ignition switch to LOCK (0).
  2. DISCONNECT THE POWER WINDOW MASTER SWITCH 26P CONNECTOR .
    Fig 1: Identifying Power Window Master Switch 26P Connector Terminals
    G08881797Courtesy of AMERICAN HONDA MOTOR CO., INC.
  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 are OK, go to step 4.
  4. 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 5.
    Cavity Wire Test condition Test: Desired result Possible cause if desired result is not obtained
    19
     
    14    		 PNK
     
    GRY    		 Connect terminals No. 19 (or No. 14) and No. 15, and terminals No. 14 (or No. 19) and No. 13 with jumper wires Check driver's power window motor operation:
    The driver's power window should close (or open).
    • Faulty driver's power window motor
    • An open or high resistance in the wire
    24
     
    25    		 ORN
     
    BRN    		 Connect terminals No. 24 (or No. 25) and No. 26, and terminals No. 25 (or No. 24) and No. 16 with jumper wires Check front passenger's power window motor operation:
    The front passenger's power window should close (or open).
    • Faulty front passenger's power window motor
    • Faulty front passenger's power window switch
    • An open or high resistance in the wire
    23
     
    22    		 BLK
     
    PUR    		 Connect terminals No. 23 (or No. 22) and No. 21, and terminals No. 22 (or No. 23) and No. 16 with jumper wires Check left rear power window motor operation:
    The left rear power window should close (or open).
    • Faulty left rear power window motor
    • Faulty left rear power window switch
    • An open or high resistance in the wire
    18
     
    17    		 LT BLU
     
    RED    		 Connect terminals No. 18 (or No. 17) and No. 20, and terminals No. 17 (or No. 18) and No. 16 with jumper wires Check right rear power window motor operation:
    The right rear power window should close (or open).
    • Faulty right rear power window motor
    • Faulty right rear power window switch
    • An open or high resistance in the wire
  5. Reconnect the connector to the power window master switch, do the following input tests:
    Cavity Wire Test condition Test: Desired result Possible cause if desired result is not obtained
    15 WHT Under all conditions Measure the voltage to ground: There should be battery voltage.
    • Blown No. B42 (20 A) fuse in the under-dash fuse/relay box
    • An open or high resistance in the wire
    26 GRN Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage.
    • Blown No. B44 (20 A) fuse in the under-dash fuse/relay box
    • Faulty power window relay
    • An open or high resistance in the wire
    21 BLU Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage.
    • Blown No. B45 (20 A) fuse in the under-dash fuse/relay box
    • Faulty power window relay
    • An open or high resistance in the wire
    20 PUR Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage.
    • Blown No. B43 (20 A) fuse in the under-dash fuse/relay box
    • Faulty power window relay
    • An open or high resistance in the wire
    13 BLK In all ignition switch positions Measure the voltage to ground: There should be less than 0.2 V.
    • Poor ground (G501)
    • An open or high resistance in the ground wire
    16 BLK Window lock switch ON Measure the voltage to ground: There should be less than 0.2 V.
    • Poor ground (G501)
    • An open or high resistance in the ground wire
    12 BRN Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage.
    • Faulty power window master switch
    • A short to ground in the wire
    9 LT BLU Ignition switch ON (II) Measure the voltage to ground: There should be less than 0.2 V.
    • Poor ground (G501)
    • Faulty power window master switch
    • An open or high resistance in the ground wire
    11 PNK Ignition switch ON (II), and power window master switch moving up or down. Measure the voltage between terminals No. 11 and No. 13:
    An analog meter should alternate between 0 V and 5 V (a digital voltmeter should read about 2.5 V while the window moves).
    • Faulty driver's power window motor
    • An open or high resistance in the wire
    • A short to ground in the wire
    10 ORN Ignition switch ON (II), and power window master switch moving up or down. Measure the voltage between terminals No. 10 and No. 13:
    An analog meter should alternate between 0 V and 5 V (a digital voltmeter should read about 2.5 V while the window moves).
    • Faulty driver's power window motor
    • An open or high resistance in the wire
    • A short to ground in the wire
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