PROBLEM SYMPTOMS TABLE
HINT:
Symptom |
Suspected Area |
See page |
---|---|---|
All functions of the A/C system do not operate |
IG power source circuit |
|
Back-up power source circuit |
|
|
Air conditioning control panel circuit |
|
|
A/C amplifier |
|
|
Air flow control: No blower operation |
Blower motor circuit |
|
Air conditioning control panel circuit |
|
|
A/C amplifier |
|
|
Air flow control: No blower control |
Blower motor circuit |
|
Air conditioning control panel circuit |
|
|
A/C amplifier |
|
|
Air flow control: Insufficient air flow |
Blower motor circuit |
|
A/C amplifier |
|
|
Temperature control: No cool air comes out |
Refrigerant volume |
- |
Refrigerant pressure |
|
|
Air conditioning pressure sensor circuit |
|
|
Air conditioning compressor magnetic clutch circuit*1 |
|
|
Compressor lock sensor circuit*1 |
|
|
Compressor solenoid circuit |
|
|
Air mix damper control servo motor circuit (for Driver side) |
|
|
Air mix damper control servo motor circuit (for Front passenger side) |
|
|
Evaporator temperature sensor circuit |
|
|
Room temperature sensor circuit |
|
|
Ambient temperature sensor circuit |
|
|
Air conditioning control panel circuit |
|
|
Expansion valve |
|
|
A/C amplifier |
|
|
ECM*1 |
|
|
ECM*2 |
|
|
Temperature control: No warm air comes out |
Air mix damper control servo motor circuit (for Driver side) |
|
Air mix damper control servo motor circuit (for Front passenger side) |
|
|
Evaporator temperature sensor circuit |
|
|
Room temperature sensor circuit |
|
|
Ambient temperature sensor circuit |
|
|
Air conditioning control panel circuit |
|
|
A/C amplifier |
|
|
ECM*1 |
|
|
ECM*2 |
|
|
Temperature control: Output air is warmer or cooler than the set temperature or response is slow |
Refrigerant volume |
- |
Refrigerant pressure |
|
|
Air conditioning compressor magnetic clutch circuit*1 |
|
|
Compressor lock sensor circuit*1 |
|
|
Compressor solenoid circuit |
|
|
Solar sensor circuit (for Driver side) |
|
|
Solar sensor circuit (for Front passenger side) |
|
|
Room temperature sensor circuit |
|
|
Ambient temperature sensor circuit |
|
|
Air mix damper control servo motor circuit (for Driver side) |
|
|
Air mix damper control servo motor circuit (for Front passenger side) |
|
|
Air inlet damper control servo motor circuit |
|
|
Air conditioning control panel circuit |
|
|
Radiator unit sub-assembly |
|
|
Expansion valve |
|
|
A/C amplifier |
|
|
ECM*1 |
|
|
ECM*2 |
|
|
Temperature control: No temperature control (only Max. cool or Max. warm) |
Air mix damper control servo motor circuit (for Driver side) |
|
Air mix damper control servo motor circuit (for Front Passenger side) |
|
|
Room temperature sensor circuit |
|
|
Ambient temperature sensor circuit |
|
|
Evaporator temperature sensor circuit |
|
|
Solar sensor circuit (for Driver side) |
|
|
Solar sensor circuit (for Front passenger side) |
|
|
Air conditioning control panel circuit |
|
|
A/C amplifier |
|
|
No air inlet control |
Air inlet damper control servo motor circuit |
|
Air conditioning control panel circuit |
|
|
A/C amplifier |
|
|
No air flow mode control |
Air outlet damper control servo motor circuit |
|
Air conditioning control panel circuit |
|
|
A/C amplifier |
|
|
Engine does not start for heater |
Air conditioning compressor magnetic clutch circuit*1 |
|
Compressor lock sensor circuit*1 |
|
|
Compressor solenoid circuit |
|
|
A/C amplifier |
|
|
Blinking of A/C indicator |
Compressor solenoid circuit |
|
A/C amplifier |
|
|
Diagnostic trouble codes (DTCs) are not recorded. Set mode is cleared when ignition switch is off. |
Back-up power source circuit |
|
A/C amplifier |
|
TRAC OFF Indicator Light Remains ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
Pressing the VSC OFF switch turns off traction control and pressing and holding
this switch turns off traction and VSC controls. If TRAC control is turned off,
...
Brake Pedal Load Sensing Switch (C1267/67)
DESCRIPTION
The brake pedal load sensing switch is turned on when the brake pedal is depressed
with force exceeding a predetermined level.
The skid control ECU detects if the brake pedal is depressed or not via this
circuit.
DTC Code
...
Front Occupant Classification Sensor RH Circuit Malfunction (B1781)
DESCRIPTION
The front occupant classification sensor RH circuit consists of the occupant
classification ECU and front occupant classification sensor RH.
DTC B1781 is recorded when a malfunction is detected in the front occupant classification
sensor RH c ...