Air Conditioning System (For Automatic Air Conditioning System) Problem Symptoms Table

Vehicle Interior. Corolla. Zre142 Aze141
Heating Air Conditioning. Corolla. Zre142 Aze141

Air Conditioning System (For Automatic Air Conditioning System) -- Problem Symptoms Table


HINT:
  1. Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  2. Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Air Conditioning System (for Automatic Air Conditioning System)
Symptom
Suspected Area
See page
All functions of the A/C system do not operate.
IG power source circuit
COROLLA_ZRE142 RM000000TS6096X.html
Back-up power source circuit
COROLLA_ZRE142 RM000000TS707VX.html
Heater control panel power source circuit
COROLLA_ZRE142 RM000001O7Q039X.html
LIN communication circuit
COROLLA_ZRE142 RM000001O7R03AX.html
A/C control assembly
COROLLA_ZRE142 RM000002XM202GX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
Air Flow Control: No blower operation
Blower motor circuit
COROLLA_ZRE142 RM000000TS806VX.html
Heater control panel power source circuit
COROLLA_ZRE142 RM000001O7Q039X.html
LIN communication circuit
COROLLA_ZRE142 RM000001O7R03AX.html
A/C control assembly
COROLLA_ZRE142 RM000002XM202GX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
Air Flow Control: No blower control
Blower motor circuit
COROLLA_ZRE142 RM000000TS806VX.html
Heater control panel power source circuit
COROLLA_ZRE142 RM000001O7Q039X.html
LIN communication circuit
COROLLA_ZRE142 RM000001O7R03AX.html
A/C control assembly
COROLLA_ZRE142 RM000002XM202GX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
Air Flow Control: Insufficient air flow
Blower motor circuit
COROLLA_ZRE142 RM000000TS806VX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
Temperature Control: No cool air comes out.
Refrigerant volume
-
Refrigerant pressure
COROLLA_ZRE142 RM00000114704VX.html
Pressure sensor circuit
COROLLA_ZRE142 RM000000STP0ATX.html
Air flow circuit (for 2ZR-FE)
COROLLA_ZRE142 RM000003W8R01QX.html
Compressor solenoid circuit
COROLLA_ZRE142 RM000000VAV07KX.html
Air mix control servo motor circuit
COROLLA_ZRE142 RM000000STR06OX.html
Evaporator temperature sensor circuit
COROLLA_ZRE142 RM000000STL09AX.html
Room temperature sensor circuit
COROLLA_ZRE142 RM000001M2X04AX.html
Ambient temperature sensor circuit
COROLLA_ZRE142 RM000002HT001MX.html
Heater control panel power source circuit
COROLLA_ZRE142 RM000001O7Q039X.html
LIN communication circuit
COROLLA_ZRE142 RM000001O7R03AX.html
Expansion valve
COROLLA_ZRE142 RM000001HLX05GX.html
A/C control assembly
COROLLA_ZRE142 RM000002XM202GX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
ECM (for 2AZ-FE)
COROLLA_ZRE142 RM000002WT506MX.html
ECM (for 2ZR-FE)
COROLLA_ZRE142 RM000001CN0030X.html
Temperature Control: No warm air comes out.
Air mix control servo motor circuit
COROLLA_ZRE142 RM000000STR06OX.html
Evaporator temperature sensor circuit
COROLLA_ZRE142 RM000000STL09AX.html
Room temperature sensor circuit
COROLLA_ZRE142 RM000001M2X04AX.html
Ambient temperature sensor circuit
COROLLA_ZRE142 RM000002HT001MX.html
Generator signal circuit*1
COROLLA_ZRE142 RM000002Y8101RX.html
Headlight signal circuit*1
COROLLA_ZRE142 RM000002Y1L01XX.html
PTC heater circuit*1
COROLLA_ZRE142 RM000002BRP01KX.html
CAN communication system
COROLLA_ZRE142 RM000000WI60ACX.html
Engine coolant temperature sensor circuit (for 2AZ-FE)
COROLLA_ZRE142 RM000000PF50QLX.html
Engine coolant temperature sensor circuit (for 2ZR-FE)
COROLLA_ZRE142 RM000000PF50QKX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
Temperature Control: Output air is warmer or cooler than the set temperature or response is slow.
Refrigerant volume
-
Refrigerant pressure
COROLLA_ZRE142 RM00000114704VX.html
Solar sensor circuit
COROLLA_ZRE142 RM000000STN03CX.html
Room temperature sensor circuit
COROLLA_ZRE142 RM000001M2X04AX.html
Ambient temperature sensor circuit
COROLLA_ZRE142 RM000002HT001MX.html
Generator signal circuit*1
COROLLA_ZRE142 RM000002Y8101RX.html
Headlight signal circuit*1
COROLLA_ZRE142 RM000002Y1L01XX.html
PTC heater circuit*1
COROLLA_ZRE142 RM000002BRP01KX.html
Air mix control servo motor circuit
COROLLA_ZRE142 RM000000STR06OX.html
Radiator unit sub-assembly
COROLLA_ZRE142 RM000001HLX05GX.html
Expansion valve
COROLLA_ZRE142 RM000001HLX05GX.html
CAN communication system
COROLLA_ZRE142 RM000000WI60ACX.html
Engine coolant temperature sensor circuit (for 2AZ-FE)
COROLLA_ZRE142 RM000000PF50QLX.html
Engine coolant temperature sensor circuit (for 2ZR-FE)
COROLLA_ZRE142 RM000000PF50QKX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
Temperature Control: No temperature control (only Max. cool or Max. warm)
Air mix control servo motor circuit
COROLLA_ZRE142 RM000000STR06OX.html
Room temperature sensor circuit
COROLLA_ZRE142 RM000001M2X04AX.html
Ambient temperature sensor circuit
COROLLA_ZRE142 RM000002HT001MX.html
Evaporator temperature sensor circuit
COROLLA_ZRE142 RM000000STL09AX.html
Solar sensor circuit
COROLLA_ZRE142 RM000000STN03CX.html
Generator signal circuit*1
COROLLA_ZRE142 RM000002Y8101RX.html
Headlight signal circuit*1
COROLLA_ZRE142 RM000002Y1L01XX.html
PTC heater circuit*1
COROLLA_ZRE142 RM000002BRP01KX.html
Compressor solenoid circuit
COROLLA_ZRE142 RM000000VAV07KX.html
Engine coolant temperature sensor circuit (for 2AZ-FE)
COROLLA_ZRE142 RM000000PF50QLX.html
Engine coolant temperature sensor circuit (for 2ZR-FE)
COROLLA_ZRE142 RM000000PF50QKX.html
CAN communication system
COROLLA_ZRE142 RM000000WI60ACX.html
A/C control assembly
COROLLA_ZRE142 RM000002XM202GX.html
ECM (for 2AZ-FE)
COROLLA_ZRE142 RM000002WT506MX.html
ECM (for 2ZR-FE)
COROLLA_ZRE142 RM000001CN0030X.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
No air inlet control
Air inlet control servo motor circuit
COROLLA_ZRE142 RM000000STS06JX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
No air flow mode control
Air outlet control servo motor circuit
COROLLA_ZRE142 RM000000STT06MX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
Engine idle up does not occur, or is continuous.
Compressor solenoid circuit
COROLLA_ZRE142 RM000000VAV07KX.html
Heater control panel power source circuit
COROLLA_ZRE142 RM000001O7Q039X.html
LIN communication circuit
COROLLA_ZRE142 RM000001O7R03AX.html
A/C control assembly
COROLLA_ZRE142 RM000002XM202GX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
ECM (for 2AZ-FE)
COROLLA_ZRE142 RM000002WT506MX.html
ECM (for 2ZR-FE)
COROLLA_ZRE142 RM000001CN0030X.html
A/C indicator blinks.
Compressor solenoid circuit
COROLLA_ZRE142 RM000000VAV07KX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
Diagnostic trouble codes are not recorded. Set mode is cleared when ignition switch is off.
Back-up power source circuit
COROLLA_ZRE142 RM000000TS707VX.html
A/C amplifier
COROLLA_ZRE142 RM000002XMC01VX.html
*1: w/ PTC Heater Assembly