Automatic Dimming Inside Mirror Test/Replacement

1. Remove the automatic dimming inside mirror cover.

1. Disconnect the 7P connector (A) from the automatic inside dimming mirror (B).

1. Check for continuity between No. 2 terminal and body ground.
   - If there is continuity, go to Step 4 .
   - If there is no continuity, check for:

   - | An open in the wire.
   - | Poor ground (G501 (LHD), G601 (RHD)).

1. Check for voltage between No. 1 terminal and body ground with the ignition switch ON (II).
   - If there is battery voltage, go to Step 5 .
   - If there is no voltage, check for:

   - | Blown No. 21 (7.5 A) fuse in the driver's under-dash fuse/relay box.
   - | An open in the wire.

1. Check for voltage between No. 3 terminal and body ground with the ignition switch turned ON (II) and transmission range switch (A/T) or back-up light switch (M/T) in reverse.
   - If there is battery voltage, replace the mirror assembly.
   - If there is no voltage, check for:

   - | An open in the wire.
   - | Blown No. 21 (7.5 A) fuse in the under-dash fuse/relay box.
   - | Faulty reverse relay.
   - | Faulty transmission range switch .