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 circuitBlower unit
BLOWER UNIT
BLOWER UNIT : Removal and Installation
COMPONENTS
Heater and cooling unit
Blower unit Front
REMOVAL
Remove the heater and cooling unit assembly. Refer to HA-47,
"HEATER & COOLING UNIT ASSEMBLY : Removal and Installation".
Disconnect the harness connector from ...
Inspection and adjustment
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
Initialization of system should be conducted after the following conditions.
When the sunroof motor or sunshade motor is changed.
When the sunroof of sunshade does not operate normally ...
ASCD indicator
Description
ASCD indicator lamp illuminates to indicate ASCD operation status. CRUISE is
integrated in combination
meter.
CRUISE illuminates when MAIN switch on ASCD steering switch is turned ON to
indicated that ASCD system
is ready for operation.
Refer to EC-68, "System Diagram ...