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"
Bluetooth control unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
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Magnet clutch control system
System Diagram
System Description
The A/C auto amp. controls A/C compressor operation by ambient temperature,
intake air temperature and
signal from ECM.
SYSTEM OPERATION
When the A/C switch, the AUTO switch, or the DEF switch is pressed, or when
shifting mode position to D/F,
the A/C ...
Microphone
Removal and Installation
REMOVAL
Remove the front room/map lamp assembly. Refer to INL-84, "Removal
and Installation".
Detach the microphone connector (A).
Remove the front room/map lamp covers (1), then remove the map lamp
assembly cover (2).
R ...