DTC P00AC: Intake Air Temperature Sensor 1 Circuit Low Bank 2; DTC P00AD: Intake Air Temperature Sensor 1 Circuit High Bank 2; DTC P0112: Intake Air Temperature Circuit Low Input; DTC P0113: Intake Air Temperature Circuit High Input [09/2015 - ]: Procedure

READ VALUE USING TECHSTREAM (INTAKE AIR TEMPERATURE)

Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.
Enter the following menus: Powertrain / Engine / Data List / All Data / Intake Air Temp B1S1 or Intake Air Temp B2S1.

Read the value displayed on the Techstream.

Standard

Same as actual Intake Air Temperature (IAT).

Result

Temperature Displayed	Proceed to
-40°C (-40°F)	A
140°C (284°F) or higher	B
Same as actual IAT	C

HINT:

If there is an open circuit, the Techstream indicates -40°C (-40°F).

If there is a short circuit, the Techstream indicates 140°C (284°F) or higher.

Result: B

See step 4

Result: C

CHECK FOR INTERMITTENT PROBLEMS

(Refer to CHECK FOR INTERMITTENT PROBLEMS [09/2015 - ] )

Result: A

See step 2

READ VALUE USING TECHSTREAM (CHECK FOR OPEN IN WIRE HARNESS)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the E13 or E22 MAF meter connector.
2. Connect terminals THA and E2 or THAR and E2R of the MAF meter wire harness side connector.
3. Connect the Techstream to the DLC3.
4. Turn the engine switch on (IG).
5. Turn the Techstream on.
6. Enter the following menus: Powertrain / Engine / Data List / All Data / Intake Air Temp B1S1 or Intake Air Temp B2S1.
7. Read the value displayed on the Techstream.
  Standard
  
  140°C (284°F) or higher
  
  HINT:
  
  Perform "Inspection After Repair" after replacing the mass air flow meter (Refer to INITIALIZATION [09/2015 - ] ).
Result: OK

OK

CONFIRM GOOD CONNECTION TO SENSOR. IF OK, REPLACE MASS AIR FLOW METER

(Refer to REMOVAL [09/2015 - ] )

Result: NG

NG

See step 3
READ VALUE USING TECHSTREAM (CHECK FOR OPEN IN ECM)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the E13 or E22 MAF meter connector.
2. Connect terminals THA and E2 or THA2 and E2 of the E1 ECM connector.
  HINT:
  
  Before checking, do visual and contact pressure checks on the ECM connector.
3. Connect the Techstream to the DLC3.
4. Turn the engine switch on (IG).
5. Turn the Techstream on.
6. Enter the following menus: Powertrain / Engine / Data List / All Data / Intake Air Temp B1S1 or Intake Air Temp B2S1.
7. Read the value displayed on the Techstream.
  Standard
  
  140°C (284°F) or higher
Result: NG

NG

CONFIRM GOOD CONNECTION TO ECM. IF OK, REPLACE ECM

(Refer to REMOVAL [09/2015 - ] )

Result: OK

OK

REPAIR OR REPLACE HARNESS OR CONNECTOR
READ VALUE USING TECHSTREAM (CHECK FOR SHORT IN WIRE HARNESS)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the E13 or E22 MAF meter connector.
2. Connect the Techstream to the DLC3.
3. Turn the engine switch on (IG).
4. Turn the Techstream on.
5. Enter the following menus: Powertrain / Engine / Data List / All Data / Intake Air Temp B1S1 or Intake Air Temp B2S1.
6. Read the value displayed on the Techstream.
  Standard
  
  -40°C (-40°F)
  
  HINT:
  
  Perform "Inspection After Repair" after replacing the mass air flow meter (Refer to INITIALIZATION [09/2015 - ] ).
Result: OK

OK

REPLACE MASS AIR FLOW METER

(Refer to REMOVAL [09/2015 - ] )

Result: NG

NG

See step 5
READ VALUE USING TECHSTREAM (CHECK FOR SHORT IN ECM)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the E13 or E22 MAF meter connector.
2. Disconnect the E1 ECM connector.
3. Connect the Techstream to the DLC3.
4. Turn the engine switch on (IG).
5. Turn the Techstream on.
6. Enter the following menus: Powertrain / Engine / Data List / All Data / Intake Air Temp B1S1 or Intake Air Temp B2S1.
7. Read the value displayed on the Techstream.
  Standard
  
  -40°C (-40°F)
Result: NG

NG

REPLACE ECM

(Refer to REMOVAL [09/2015 - ] )

Result: OK

OK

REPAIR OR REPLACE HARNESS OR CONNECTOR