PROBLEM SYMPTOMS TABLE
HINT:
Symptom |
Suspected Area |
See page |
---|---|---|
All functions of A/C system do not operate |
Proceed to "IG Power Source Circuit" |
|
Proceed to "Back-up Power Source Circuit" |
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Proceed to "Air Conditioning Control Panel Circuit" |
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|
Replace air conditioning amplifier assembly |
|
|
LIN communication system |
|
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Air Flow Control: No blower operation |
Proceed to "Blower Motor Circuit" |
|
Proceed to "Air Conditioning Control Panel Circuit" |
|
|
Replace air conditioning amplifier assembly |
|
|
LIN communication system |
|
|
Air Flow Control: No blower control |
Proceed to "Blower Motor Circuit" |
|
Proceed to "Air Conditioning Control Panel Circuit" |
|
|
Replace air conditioning amplifier assembly |
|
|
LIN communication system |
|
|
Air Flow Control: Insufficient air flow |
Proceed to "Blower Motor Circuit" |
|
Replace air conditioning amplifier assembly |
|
|
Temperature Control: No cool air comes out |
Check volume of refrigerant |
|
Check for refrigerant gas leak |
|
|
Replace cooler expansion valve |
|
|
Check cooler compressor assembly |
|
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Check No. 1 pressure switch |
|
|
Proceed to "Air Conditioning Compressor Magnetic Clutch Circuit" |
|
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Proceed to "Compressor Lock Sensor Circuit" |
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Proceed to "Air Mix Damper Control Servo Motor Circuit" |
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Proceed to "Ambient Temperature Sensor Circuit" |
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Proceed to "Evaporator Temperature Sensor Circuit" |
|
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Proceed to "Communication Malfunction (Bus Ic)" |
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|
Proceed to "Air Conditioning Control Panel Circuit" |
|
|
Replace air conditioning amplifier assembly |
|
|
LIN communication system |
|
|
Temperature Control: No warm air comes out |
Proceed to "Air Conditioning Control Panel Circuit" |
|
Proceed to "Air Mix Damper Control Servo Motor Circuit" |
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Proceed to "Communication Malfunction (Bus Ic)" |
|
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Replace air conditioning amplifier assembly |
|
|
LIN communication system |
|
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Temperature Control: Output air is warmer or cooler than set temperature or response is slow |
Check volume of refrigerant |
|
Check for refrigerant gas leak |
|
|
Replace cooler expansion valve |
|
|
Check cooler compressor assembly |
|
|
Replace heater radiator unit sub-assembly |
|
|
Check No. 1 pressure switch |
|
|
Proceed to "Air Conditioning Compressor Magnetic Clutch Circuit" |
|
|
Proceed to "Compressor Lock Sensor Circuit" |
|
|
Proceed to "Air Mix Damper Control Servo Motor Circuit" |
|
|
Proceed to "Air Inlet Damper Control Servo Motor Circuit" |
|
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Proceed to "Ambient Temperature Sensor Circuit" |
|
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Proceed to "Evaporator Temperature Sensor Circuit" |
|
|
Proceed to "Communication Malfunction (Bus Ic)" |
|
|
Proceed to "Air Conditioning Control Panel Circuit" |
|
|
Replace air conditioning amplifier assembly |
|
|
LIN communication system |
|
|
No air inlet control |
Proceed to "Communication Malfunction (Bus Ic)" |
|
Proceed to "Air Inlet Damper Control Servo Motor Circuit" |
|
|
Replace air conditioning amplifier assembly |
|
|
No air flow mode control |
Proceed to "Communication Malfunction (Bus Ic)" |
|
Proceed to "Air Outlet Damper Control Servo Motor Circuit" |
|
|
Replace air conditioning amplifier assembly |
|
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Engine coolant does not warm up quickly when the engine is cold (PTC heater does not operate)* |
Proceed to "PTC Heater Circuit" |
|
Proceed to "Generator Signal Circuit" |
|
|
Check generator assembly |
|
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Replace air conditioning amplifier assembly |
|
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Engine idle up does not occur or is continuous |
Replace air conditioning amplifier assembly |
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Replace ECM |
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CAN communication system |
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Diagnostic trouble codes are not stored, and set mode is cleared when ignition switch is off |
Proceed to "Back-up Power Source Circuit" |
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Replace air conditioning amplifier assembly |
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On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to follow the correct removal and installation procedures for the occupant
classification ECU.
PROCEDURE
1. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)
(a) Perform ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL STEERING PAD
(a) Support the steering pad with one hand.
(b) Connect the 2 connectors to the steering pad.
NOTICE:
When handling the airbag connector, take care not to ...