PROBLEM SYMPTOMS TABLE
HINT:
Symptom |
Suspected Area |
Link |
---|---|---|
All functions of the air conditioning system do not operate |
IG power source circuit |
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Back-up power source circuit |
|
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LIN communication circuit |
|
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Air conditioning amplifier assembly |
|
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Air flow Control: No blower operation |
Blower motor circuit |
|
LIN communication circuit |
|
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Air conditioning amplifier assembly |
|
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Air flow control: No blower control |
Blower motor circuit |
|
LIN communication circuit |
|
|
Air conditioning amplifier assembly |
|
|
Air flow control: Insufficient air flow |
Blower motor circuit |
|
Air conditioning amplifier assembly |
|
|
Temperature control: No cool air comes out |
Refrigerant volume |
- |
Refrigerant pressure*3 |
|
|
Refrigerant pressure*4 |
|
|
Air conditioner pressure sensor circuit |
|
|
LIN communication circuit |
|
|
Air mix damper control servo motor circuit (for driver side upper air mix) |
|
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Air mix damper control servo motor circuit (for front passenger side upper air mix) |
|
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Air mix damper control servo motor circuit (for driver side lower air mix) |
|
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Air mix damper control servo motor circuit (for front passenger side lower air mix) |
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Evaporator temperature sensor circuit |
|
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Room temperature sensor circuit |
|
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Ambient temperature sensor circuit |
|
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Cooler expansion valve |
|
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No. 1 air conditioning radiator damper servo sub-assembly (driver side upper air mix) |
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No. 1 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix) |
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No. 1 air conditioning radiator damper servo sub-assembly (driver side lower air mix) |
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No. 1 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix) |
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Air conditioning harness assembly (heater radiator unit sub-assembly) |
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Air conditioning harness assembly (blower assembly) |
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Compressor with pulley assembly |
|
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Air conditioning amplifier assembly |
|
|
ECM |
|
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Temperature control: No warm air comes out |
LIN communication circuit |
|
Air mix damper control servo motor circuit (for driver side upper air mix) |
|
|
Air mix damper control servo motor circuit (for front passenger side upper air mix) |
|
|
Air mix damper control servo motor circuit (for driver side lower air mix) |
|
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Air mix damper control servo motor circuit (for front passenger side lower air mix) |
|
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Evaporator temperature sensor circuit |
|
|
Room temperature sensor circuit |
|
|
Ambient temperature sensor circuit |
|
|
PTC heater circuit*1 |
|
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No. 1 air conditioning radiator damper servo sub-assembly (driver side upper air mix) |
|
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No. 1 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix) |
|
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No. 1 air conditioning radiator damper servo sub-assembly (driver side lower air mix) |
|
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No. 1 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix) |
|
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Air conditioning harness assembly (heater radiator unit sub-assembly) |
|
|
Air conditioning harness assembly (blower assembly) |
|
|
Air conditioning amplifier assembly |
|
|
ECM |
|
|
Temperature control: Output air is warmer or cooler than the set temperature or response is slow |
Refrigerant volume |
- |
Refrigerant pressure*3 |
|
|
Refrigerant pressure*4 |
|
|
Solar sensor circuit |
|
|
Room temperature sensor circuit |
|
|
Ambient temperature sensor circuit |
|
|
LIN communication circuit |
|
|
Air mix damper control servo motor circuit (for driver side upper air mix) |
|
|
Air mix damper control servo motor circuit (for front passenger side upper air mix) |
|
|
Air mix damper control servo motor circuit (for driver side lower air mix) |
|
|
Air mix damper control servo motor circuit (for front passenger side lower air mix) |
|
|
Air inlet damper control servo motor circuit |
|
|
Heater radiator unit sub-assembly |
|
|
Cooler expansion valve |
|
|
No. 1 air conditioning radiator damper servo sub-assembly (driver side upper air mix) |
|
|
No. 1 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix) |
|
|
No. 1 air conditioning radiator damper servo sub-assembly (driver side lower air mix) |
|
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No. 1 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix) |
|
|
No. 1 blower damper servo sub-assembly (fresh/recirculation) |
|
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Air conditioning harness assembly (heater radiator unit sub-assembly) |
|
|
Air conditioning harness assembly (blower assembly) |
|
|
Air conditioning amplifier assembly |
|
|
ECM |
|
|
Temperature control: No temperature control (only MAX COLD or MAX HOT) |
LIN communication circuit |
|
Air mix damper control servo motor circuit (for driver side upper air mix) |
|
|
Air mix damper control servo motor circuit (for front passenger side upper air mix) |
|
|
Air mix damper control servo motor circuit (for driver side lower air mix) |
|
|
Air mix damper control servo motor circuit (for front passenger side lower air mix) |
|
|
Room temperature sensor circuit |
|
|
Ambient temperature sensor circuit |
|
|
Evaporator temperature sensor circuit |
|
|
Solar sensor circuit |
|
|
No. 1 air conditioning radiator damper servo sub-assembly (driver side upper air mix) |
|
|
No. 1 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix) |
|
|
No. 1 air conditioning radiator damper servo sub-assembly (driver side lower air mix) |
|
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No. 1 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix) |
|
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Air conditioning harness assembly (heater radiator unit sub-assembly) |
|
|
Air conditioning harness assembly (blower assembly) |
|
|
Air conditioning amplifier assembly |
|
|
Temperature control: Output air temperature is different between left and right registers (the set temperature is the same for both) |
Refrigerant volume |
- |
Refrigerant pressure*3 |
|
|
Refrigerant pressure*4 |
|
|
Air mix damper control servo motor circuit (for driver side upper air mix) |
|
|
Air mix damper control servo motor circuit (for front passenger side upper air mix) |
|
|
Air mix damper control servo motor circuit (for driver side lower air mix) |
|
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Air mix damper control servo motor circuit (for front passenger side lower air mix) |
|
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Automatic light control sensor |
|
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No. 1 air conditioning radiator damper servo sub-assembly (driver side upper air mix) |
|
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No. 1 air conditioning radiator damper servo sub-assembly (front passenger side upper air mix) |
|
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No. 1 air conditioning radiator damper servo sub-assembly (driver side lower air mix) |
|
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No. 1 air conditioning radiator damper servo sub-assembly (front passenger side lower air mix) |
|
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Air conditioning harness assembly (heater radiator unit sub-assembly) |
|
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Air conditioning harness assembly (blower assembly) |
|
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Air conditioning amplifier assembly |
|
|
No air inlet control |
LIN communication circuit |
|
Air inlet damper control servo motor circuit |
|
|
No. 1 blower damper servo sub-assembly (fresh/recirculation) |
|
|
Air conditioning harness assembly (heater radiator unit sub-assembly) |
|
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Air conditioning harness assembly (blower assembly) |
|
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Air conditioning amplifier assembly |
|
|
Quick heater assembly does not operate*1 |
PTC heater circuit |
|
Air conditioning amplifier assembly |
|
|
Ion generator sub-assembly does not operate*2 |
Ion generator circuit |
|
Air conditioning amplifier assembly |
|
|
Diagnostic trouble codes (DTCs) are not recorded. Set mode is cleared when the ignition switch is turned off |
Back-up power source circuit |
|
Air conditioning amplifier assembly |
|
Toyota CH-R Service Manual > Tire Pressure Warning System: Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC (for TIRE PRESSURE WARNING ECU AND RECEIVER) (USING Techstream)
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / Tire Pressure Monitor / ...
Toyota CH-R Service Manual > Wireless Door Lock Control System(w/o Smart Key System): Diagnosis System
DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
(a) Measure the vehicle battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
SELF-DIAGNOSTIC MODE (USING TECHSTREAM)
(a) Connect the Techstream to ...