Dtc P0110 Intake Air Temperature Circuit. Corolla Auris

Двигатель. COROLLA, AURIS. ZZE150 ZRE151,152 NDE150
Система Управления Двигателем 1Ad-Ftv. COROLLA, AURIS. ZZE150 ZRE151,152 NDE150

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE OF MASS AIR FLOW METER (INTAKE AIR)

READ VALUE USING INTELLIGENT TESTER (CHECK FOR OPEN IN WIRE HARNESS)

CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM)

READ VALUE USING INTELLIGENT TESTER (CHECK FOR SHORT IN WIRE HARNESS)

CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM)

DTC P0110 Intake Air Temperature Circuit

DTC P0112 Intake Air Temperature Circuit Low Input

DTC P0113 Intake Air Temperature Circuit High Input


DESCRIPTION

The intake air temperature sensor is built into the mass air flow meter and senses the intake air temperature.
COROLLA, AURIS. ZZE150 ZRE151,152 NDE150.Система Управления Двигателем 1Ad-Ftv.Система Ecd. Dtc P0110 Intake Air Temperature Circuit
A thermistor built in the sensor changes its resistance value according to the intake air temperature.
The lower the intake air temperature, the greater the thermistor resistance value. The higher the intake air temperature, the lower the thermistor resistance value (see Fig. 1).
The intake air temperature sensor is connected to the ECM.
The 5 V power source voltage in the ECM is applied to the intake air temperature sensor from terminal THA via resistor R.
The resistor R and the intake air temperature sensor are connected in series. When the resistance value of the intake air temperature sensor changes in accordance with changes in the intake air temperature, the potential at terminal THA also changes. Based on this signal, the ECM increases the fuel injection volume to improve driveability with a cold engine.

DTC No.
DTC Detection Condition
Trouble Area
P0110
Open or short in intake air temperature sensor circuit for 0.5 seconds
(1-trip detection logic)
  1. Open or short in intake air temperature sensor circuit
  2. Intake air temperature sensor (built into mass air flow meter)
  3. ECM
P0112
Short in intake air temperature sensor circuit for 0.5 seconds
(1-trip detection logic)
  1. Open or short in intake air temperature sensor circuit
  2. Intake air temperature sensor (built into mass air flow meter)
  3. ECM
P0113
Open in intake air temperature sensor circuit for 0.5 seconds
(1-trip detection logic)
  1. Open or short in intake air temperature sensor circuit
  2. Intake air temperature sensor (built into mass air flow meter)
  3. ECM

УКАЗАНИЕ:
When DTC P0110, P0112, or P0113 is detected, check the intake air temperature by entering the following menus on the intelligent tester: Powertrain / Engine and ECT / Data List / Intake Air.

Reference:
Temperature Displayed
Malfunction
-40°C (-40°F)
Open circuit
140°C (284°F) or more
Short circuit

WIRING DIAGRAM


COROLLA, AURIS. ZZE150 ZRE151,152 NDE150.Система Управления Двигателем 1Ad-Ftv.Система Ecd. Dtc P0110 Intake Air Temperature Circuit


INSPECTION PROCEDURE

ПРИМЕЧАНИЕ:
After replacing the ECM, the new ECM needs registration (See page Нажмите здесь) and initialization (See page Нажмите здесь).
УКАЗАНИЕ:
Read freeze frame data using the intelligent tester. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, and other data from the time the malfunction occurred.
1.READ VALUE OF MASS AIR FLOW METER (INTAKE AIR)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch on (IG) and turn the tester on.

  1. Enter the following menus: Powertrain / Engine and ECT / Data List / Intake Air.

  1. Read the value.

    Standard value:
    Same value as the actual air temperature

    Result:

    Result
    		Proceed to
    Temperature displayed: -40°C (-40°F)
    		A
    Temperature displayed: 140°C (284°F) or more
    		B
    Temperature displayed: OK (same as air temperature near intake manifold)
    		C
    УКАЗАНИЕ:
    1. If there is an open circuit, the tester indicates -40°C (-40°F).
    2. If there is a short circuit, the tester indicates 140°C (284°F) or more.


B
Перейдите к шагу 4

C
CHECK FOR INTERMITTENT PROBLEMS (Нажмите здесь)
A


2.READ VALUE USING INTELLIGENT TESTER (CHECK FOR OPEN IN WIRE HARNESS)


    COROLLA, AURIS. ZZE150 ZRE151,152 NDE150.Система Управления Двигателем 1Ad-Ftv.Система Ecd. Dtc P0110 Intake Air Temperature Circuit

  1. Disconnect the mass air flow meter connector.

  1. Connect terminals THA and E2 of the mass air flow meter wire harness side connector.

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch on (IG) and turn the tester on.

  1. Enter the following menus: Powertrain / Engine and ECT / Data List / Intake Air.

  1. Read the value.

    Standard value:
    140°C (284°F) or more

  1. Reconnect the mass air flow meter connector.



NG
Перейдите к шагу 3
OK

CONFIRM GOOD CONNECTION TO SENSOR. IF OK, REPLACE MASS AIR FLOW METER (Нажмите здесь)

3.CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM)


    COROLLA, AURIS. ZZE150 ZRE151,152 NDE150.Система Управления Двигателем 1Ad-Ftv.Система Ecd. Dtc P0110 Intake Air Temperature Circuit

  1. Disconnect the mass air flow meter connector.

  1. Disconnect the ECM connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    B57-4 (THA) - B31-110 (THA)
    		Always
    		Below 1 Ω
    B57-5 (E2) - B31-87 (ETHA)
    		Always
    		Below 1 Ω

  1. Reconnect the mass air flow meter connector.

  1. Reconnect the ECM connector.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (MASS AIR FLOW METER - ECM)
OK

CONFIRM GOOD CONNECTION TO ECM. IF OK, REPLACE ECM (Нажмите здесь)

4.READ VALUE USING INTELLIGENT TESTER (CHECK FOR SHORT IN WIRE HARNESS)


    COROLLA, AURIS. ZZE150 ZRE151,152 NDE150.Система Управления Двигателем 1Ad-Ftv.Система Ecd. Dtc P0110 Intake Air Temperature Circuit

  1. Disconnect the mass air flow meter connector.

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch on (IG) and turn the tester on.

  1. Enter the following menus: Powertrain / Engine and ECT / Data List / Intake Air.

  1. Read the value.

    Standard value:
    -40°C (-40°F)

  1. Reconnect the mass air flow meter connector.



NG
Перейдите к шагу 5
OK

REPLACE MASS AIR FLOW METER (Нажмите здесь)

5.CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM)


    COROLLA, AURIS. ZZE150 ZRE151,152 NDE150.Система Управления Двигателем 1Ad-Ftv.Система Ecd. Dtc P0110 Intake Air Temperature Circuit

  1. Disconnect the mass air flow meter connector.

  1. Disconnect the ECM connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    B57-4 (THA) or B31-110 (THA) - Body ground
    		Always
    		10 kΩ or higher

  1. Reconnect the mass air flow meter connector.

  1. Reconnect the ECM connector.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (MASS AIR FLOW METER - ECM)
OK

REPLACE ECM (Нажмите здесь)