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Function Test

  1. Remove the dashboard lower cover (see DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).
  2. Push the power mirror switch (A) out from behind the dashboard.
    Fig 1: Pushing Power Mirror Switch
    G01558071Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Disconnect the 10P connector (B) from the switch, then remove the switch.
  4. Choose the appropriate test based on the symptom:
    • Both mirrors don't work, go to step 5.
    • Left mirror doesn't work, go to step  7 .
    • Right mirror doesn't work, go to step  8 .
    • Defoggers don't work, go to step  9 (Canada).
    1. Both mirrors 
  5. Check for voltage between the No.1 terminal and body ground with the ignition switch ON (II).

    There should be battery voltage.

    • If there is no battery voltage, check for:
      • blown No. 4 (7.5A) fuse in the driver's under-dash fuse/relay box.
      • an open in the YEL/BLK wire.
    • If there is battery voltage, go to step 6.
  6. Check for continuity between the No.2 terminal and body ground.

    There should be continuity.

    • If there is no continuity, check for:
      • an open in the BLK wire.
      • poor ground (G501).
    • If there is continuity, check both mirrors individually as described in the next column.
    1. Left mirror 
  7. Connect the No. 1 terminal to the No.7 terminal, and the No. 4 (or No.9) terminal to body ground with jumper wires. The left mirror should tilt down (or swing left) with the ignition switch ON (II).
    • If the mirror does not tilt down (or does not swing left), check for an open in the BLU/WHT (or BLU/ORN) wire between the left mirror and the 10P connector. If the wire is OK, check the left mirror actuator.
    • If the mirror neither tilts down nor swings left, repair the BLU/GRN wire.
    • If the mirror works properly, check the mirror switch.
    1. Right mirror 
  8. Connect the No. 1 terminal to the No. 8 terminal, and the No. 4 (or No.10) terminal to body ground with jumper wires. The right mirror should tilt down (or swing left) with the ignition switch ON (II).
    • If the mirror does not tilt down (or does not swing left), check for an open in the BLU/WHT (or LT GRN) wire between the right mirror and the 10P connector. If the wire is OK, check the right mirror actuator.
    • If the mirror neither tilts down nor swings left, repair the YEL/WHT wire.
    • If the mirror works properly, check the mirror switch.
    1. Defogger (Canada) 
  9. Connect the No. 3 and No. 6 terminals with a jumper wire, and check for voltage between the No. 3 terminal and body ground. There should be battery voltage and both mirrors should warm up with the ignition switch ON (II).
    • If there is no voltage or neither warms up, check for:
      • an open in the YEL/BLK or ORN/WHT wire.
      • blown No. 4 (7.5A) fuse in the driver's unde-dash fuse/relay box.
      • poor ground (G401 or G581).
    • If only one fails to warm up, check its defogger.
    • If both warm up, check the defogger switch.
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