Honda Accord 2008 Manual page 2407

07/11/02 09:43:06 61TA0000_220_0377
Automatic Dimming Inside Mirror
System Description
EX-L, EX-L PZEV models
The automatic dimming inside mirror has a front-facing
lux level sensor (A), rear-facing lux level sensors (B),
and a control unit. The control unit receives signals
from each sensor. Based on the difference between the
two lux levels (the light outside the vehicle and the light
from the headlights of the other vehicle, etc.), the
control unit controls the electro-chromic gel to reduce
the glare. This dimming function is canceled when the
transmission is in reverse, or when the automatic
dimming off switch (C) is turned OFF.
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Test/Replacement
EX-L, EX-L PZEV models
1. Remove the cover (A), then disconnect 6P
connector (B).
Wire side of
female terminals
A
2. Turn the ignition switch to ON (II).
3. Measure the voltage between the No. 2 terminal
and body ground.
• If there is less than 0.5 V, go to step 4.
• If there is more than 0.5 V, check for:
– An open in the wire.
– Poor ground (G 501).
4. Measure the voltage between the No. 1 terminal
and body ground.
• If there is battery voltage, go to step 5.
• If there is no voltage, check for:
– Blown No. 5 (7.5 A) fuse in the driver's under-
dash fuse/relay box.
– An open in the wire.
B
5. Measure the voltage between the No. 3 terminal
C
and body ground with the transmission range
switch in R position.
• If there is battery voltage, replace the mirror
assembly.
• If there is no voltage, check for:
– An open in the wire.
– Faulty driver's under-dash fuse/relay box.
– Faulty transmission range switch.
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B
A
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