Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the A/C auto amp. Refer to the following.
- Models with color display: HAC-60, "A/C AUTO AMP. : Diagnosis Procedure" - Models with monochrome display: HAC-165, "A/C AUTO AMP. : Diagnosis Procedure"
AV branch line circuit
STRG branch line circuitSunglasses holder
To open the sunglasses holder, push and release.
Only store one pair of sunglasses in the holder.
WARNING
Keep the sunglasses holder closed while
driving to avoid obstructing the driver's
view and to help prevent an accident.
CAUTION
Do not use for anything other than
sunglasses.
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U1255 satellite radio tuner
Descriptio
Part name
Description
SATELLITE RADIO TUNER
Inputs the satellite radio signal from satellite radio antenna
and outputs the sound signal to the AV control unit.
It is controlled with the AV control unit and serial
communicatio ...
System description
REFRIGERATION SYSTEM
Refrigerant Cycle
Refrigerant flow
Compressor
Pressure relief valve
Liquid tank
Refrigerant pressure sensor
Condenser
Expansion valve
Evaporator
Blower motor
High-pressure gas
High-pressure liquid
Low-pressure liquid
Low-pr ...