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Power Mirrors (Power Window Master Switch) (2013 2014 2015)

NOTE:
  • Before testing, make sure the No. B42 (20 A) fuse in the under-dash fuse/relay box is OK.
  • Before testing, check for DTCs. If any DTCs are indicated, troubleshoot those DTCs first.

1. Press the engine start/stop button to select the OFF mode.

2. Disconnect the power window master switch 37P connector .

GHH472644Courtesy of HONDA, U.S.A., INC.

3. Inspect the connector and socket terminals to be sure they are all making good contact:

4. With the connector still disconnected, do the following input tests:

Cavity Wire Test condition Test: Desired result Possible cause if desired result is not obtained
7 RED Power mode ON, power mirror switch in RIGHT mirror position Measure the voltage to ground:
There should be battery voltage when the power mirror switch LEFT or DOWN is pressed.
  • Blown No. B22 (7.5 A) fuse in the under-dash fuse/relay box
  • Faulty power mirror switch
  • An open or high resistance in the wire
6 BLU Power mode ON, power mirror switch in RIGHT mirror position Measure the voltage to ground:
There should be battery voltage when the power mirror switch RIGHT or DOWN is pressed.
  • Blown No. B22 (7.5 A) fuse in the under-dash fuse/relay box
  • Faulty power mirror switch
  • An open or high resistance in the wire
5 PUR Power mode ON, power mirror switch in RIGHT mirror position Measure the voltage to ground:
There should be battery voltage when the power mirror switch UP or LEFT is pressed.
  • Blown No. B22 (7.5 A) fuse in the under-dash fuse/relay box
  • Faulty power mirror switch
  • An open or high resistance in the wire
15 RED Power mode ON, connect terminals No. 25 and No. 15 with a jumper wire Check the left power mirror defogger operation:
The left power mirror defogger should work (the inside lower edge becomes warm).
  • Faulty left power mirror defogger
  • Poor ground (G501) or an open in the ground wire
  • An open or high resistance in the wire
37 PNK Power mode ON, connect terminals No. 25 and No. 37 with a jumper wire Check the power mirror switch light operation:
The power mirror switch light should come on.
  • Faulty LED
  • Faulty power mirror switch
  • Poor ground (G501) or an open in the ground wire
  • An open or high resistance in the wire
36 RED Disconnect the front passenger's power window switch 37P connector and the moonroof control unit/motor 14P connector Check for continuity between terminal No. 36 and front passenger's power window switch 37P connector terminal No. 34:
There should be continuity.
An open in the LIN (P/W) wire
Check for continuity between terminal No. 36 and moonroof control unit/motor 14P connector terminal No. 12:
There should be continuity.
An open in the LIN (P/W) wire
Check for continuity to ground:
There should be no continuity.
A short to ground in the LIN (P/W) wire

5. Reconnect the connector, and do the following input tests:

NOTE: After replacing the power window master switch, do the resetting the power window control unit .
Cavity Wire Test condition Test: Desired result Possible cause if desired result is not obtained
25 BRN Power mode ON Measure the voltage to ground:
There should be battery voltage.
  • Blown No. B22 (7.5 A) fuse in the under-dash fuse/relay box
  • An open or high resistance in the wire
3 BLK In all power modes Measure the voltage to ground:
There should be less than 0.2 V.
  • Poor ground (G503)
  • An open or high resistance in the ground wire
31 BLK In all power modes, disconnect the driver's power window motor 6P connector 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