Automatic Dimming Inside Mirror Test/Replacement
Test/Replacement1. Remove the roof console.
2. Disconnect the 3P connector (A) from the automatic dimming inside mirror (B).
3. Check for continuity between No. 3 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 (G503, G601).
4. 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. 20 (15 A) fuse in the under-dash fuse/relay box.
- An open in the wire.
5. Check for voltage between No. 2 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 under-dash fuse/relay box.
- Faulty transmission range switch (A/T) or backup light switch (M/T).