Toyota Venza manuals

Toyota Venza: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

When the air conditioning system functions properly, DTC B1400/00 is output.

Air Conditioning System

DTC Code

Detection Item

Trouble Area

Memory*3

See page

B1411/11*1

Room Temperature Sensor Circuit

1. Room temperature sensor

2. Harness or connector between room temperature sensor and A/C amplifier

3. A/C amplifier

Memorized

(4 sec. or more)


B1412/12*2

Ambient Temperature Sensor Circuit

1. Ambient temperature sensor

2. Harness or connector between ambient temperature sensor and A/C amplifier

3. A/C amplifier

Memorized

(4 sec. or more)


B1413/13

Evaporator Temperature Sensor Circuit

1. Evaporator temperature sensor

2. Air conditioning harness

3. A/C amplifier

Memorized

(4 sec. or more)


B1422/22*4

Compressor Lock Sensor Circuit

1. A/C compressor (A/C lock sensor)

2. Compressor drive belt

3. Harness or connector between A/C compressor and A/C amplifier

3. A/C amplifier

4. CAN communication system

-


B1423/23

Pressure Sensor Circuit

1. A/C pressure sensor

2. Harness or connector between A/C pressure sensor and A/C amplifier

3. A/C amplifier

4. Expansion valve (blocked, stuck)

5. Condenser (blocked, deterioration of cooling capacity due to dirt)

6. Cooler dryer (moisture in the refrigerant cycle cannot be absorbed)

7. Cooling fan system (condenser cannot be cooled down)

8. A/C system (leaks, blocked)

-


B1441/41

Air Mix Damper Control Servo Motor Circuit (Passenger Side)

1. Air mix control servo motor

2. Air conditioning harness

3. A/C amplifier

Memorized

(30 sec. or more)


B1442/42

Air Inlet Damper Control Servo Motor Circuit

1. Air inlet control servo motor

2. Air conditioning harness

3. A/C amplifier

Memorized

(30 sec. or more)


B1443/43

Air Outlet Damper Control Servo Motor Circuit

1. No. 1 air mix control servo motor (air outlet control servo motor)

2. Air conditioning harness

3. A/C amplifier

Memorized

(30 sec. or more)


B1446/46

Air Mix Damper Control Servo Motor Circuit (Driver Side)

1. No. 1 air mix control servo motor (air mix control servo motor)

2. Air conditioning harness

3. A/C amplifier

Memorized

(30 sec. or more)


B1451/51

Compressor Solenoid Circuit

1. A/C compressor (solenoid valve)

2. Harness or connector between A/C amplifier and A/C compressor (solenoid valve)

3. A/C amplifier

-


B1497/97

BUS IC Communication Malfunction

1. Air conditioning harness

2. A/C amplifier

Memorized

(10 sec. or more)


B14A2

Driver Side Solar Sensor Short Circuit

1. Solar sensor

2. Harness or connector between solar sensor and A/C amplifier

3. Harness or connector between solar sensor and main body ECU

4. Main body ECU

5. A/C amplifier

Memorized

(4 sec. or more)


B14A3

Front Passenger Side Solar Sensor Short Circuit

1. Solar sensor

2. Harness or connector between solar sensor and A/C amplifier

3. Harness or connector between solar sensor and main body ECU

4. Main body ECU

5. A/C amplifier

Memorized

(4 sec. or more)


U0100

Lost Communication with ECM

1. CAN communication system

2. ECM

-


U0131

Lost Communication with Electric Power Steering ECU

1. CAN communication system

2. Electric power steering ECU

-


U0142

Lost Communication with Main Body ECU

1. CAN communication system

2. Main body ECU

-


U0155

Lost Communication with Combination Meter

1. CAN communication system

2. Combination meter

-


  • *1: If the cabin temperature is approx. -18.6°C (-1.48°F) or lower, DTC B1411/11 may be output even though the system is normal.
  • *2: If the ambient temperature is approx. -52.9°C (-63.22°F) or lower, DTC B1412/12 may be output even though the system is normal.
  • *3: The A/C amplifier stores the DTC of the respective malfunction if it has occurred for the period of time indicated in the brackets.
  • *4: for 2GR-FE
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