Mazda RX-8 Workshop Manual page 3575

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2011 - RX-8 - Body and Accessories
AUTO-DIMMING MIRROR INSPECTION
1. Measure the voltage at each terminal (other than terminal F).
If the voltage is not as specified in the Terminal Voltage Table (Reference),
inspect the parts under "Inspection item(s)" and related wiring harnesses.
2. Disconnect the negative battery cable.
3. Inspect the auto-dimming mirror connector for continuity at terminal F.
4. If the system does not work properly even though the inspection items or related wiring
harnesses do not have any malfunction, replace the auto-dimming mirror.
Terminal Voltage Table (Reference)
Signal
Terminal Connected to
name
Power
B supply Ignition switch
Measured condition
Ignition switch at ON
R range
Voltage
Inspection item(s)
(V)/Continuity
B+
B+
Related
wiring
harnesses
Back-up
light