Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000YSPE
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: P011015; Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open; 2017 - 2020 MY Sienna [08/2016 -        ]

DTC

P011015

Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open

DESCRIPTION

Refer to DTC P011011.

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: P011011; Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground+

HINT:

When DTC P011015 is stored, the ECM enters fail-safe mode. During fail-safe mode, the intake air temperature is estimated to be 20°C (68°F) by the ECM. Fail-safe mode continues until a pass condition is detected, and the ignition switch is then turned off.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Memory

Note

P011015

Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open

The intake air temperature sensor output voltage is higher than 4.91 V for 0.5 seconds or more (1 trip detection logic).

  • Open or short in intake air temperature sensor circuit
  • Intake air temperature sensor (mass air flow meter)
  • ECM

Comes on

DTC stored

  • SAE Code: P0113
  • DTC for Mexico Models: Applies

HINT:

When this DTC is output, check the intake air temperature in the Data List. Enter the following menus: Powertrain / Engine / Data List / Intake Air Temperature.

DTC No.

Intake Air Temperature

Malfunction

P011015

-40°C (-40°F)

  • Short to +B in THA circuit
  • Open in THA circuit
  • Open in E2G circuit

If the Data List values is normal it may be due to a temporary recovery from the malfunction condition. Check for intermittent problems.

MONITOR DESCRIPTION

The ECM monitors the sensor voltage and uses this value to calculate the intake air temperature. When the intake air temperature sensor output voltage deviates from the normal operating range, the ECM interprets this as a malfunction in the intake air temperature sensor circuit and stores this DTC.

Example:

If the intake air temperature sensor output voltage is higher than 4.91 V for 0.5 seconds or more, the ECM store this DTC.

MONITOR STRATEGY

Related DTCs

P0113: Intake air temperature sensor range check (high voltage)

Required Sensors/Components (Main)

Intake air temperature sensor (mass air flow meter)

Required Sensors/Components (Related)

-

Frequency of Operation

Continuous

Duration

0.5 seconds

MIL Operation

Immediate

Sequence of Operation

None

TYPICAL ENABLING CONDITIONS

Monitor runs whenever the following DTCs are not stored

None

All of the following conditions are met

-

Battery voltage

8 V or higher

Ignition switch

ON

Starter

Off

TYPICAL MALFUNCTION THRESHOLDS

Intake air temperature sensor (for mass air flow meter) voltage [Intake air temperature]

Higher than 4.91 V [Less than -55°C (-67°F)]

CONFIRMATION DRIVING PATTERN

HINT:

  • After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.

    Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: DTC CHECK / CLEAR

  • When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.

    Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: DTC CHECK / CLEAR

  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the ignition switch off and wait for at least 30 seconds.
  5. Turn the ignition switch to ON and turn the Techstream on [A].
  6. Wait 0.5 seconds or more [B].
  7. Enter the following menus: Powertrain / Engine / Trouble Codes [C].
  8. Read the pending DTCs.

    HINT:

    • If a pending DTC is output, the system is malfunctioning.
    • If a pending DTC is not output, perform the following procedure.
  9. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  10. Input the DTC: P011015.
  11. Check the DTC judgment result.

    Techstream Display

    Description

    NORMAL

    • DTC judgment completed
    • System normal

    ABNORMAL

    • DTC judgment completed
    • System abnormal

    INCOMPLETE

    • DTC judgment not completed
    • Perform driving pattern after confirming DTC enabling conditions

    HINT:

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • [A] to [C]: Normal judgment procedure.

      The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

    • When clearing the permanent DTCs, do not disconnect the cable from the battery terminal or attempt to clear the DTCs during this procedure, as doing so will clear the universal trip and normal judgment histories.

WIRING DIAGRAM

Refer to DTC P010012.

Click here 2017 MY Sienna [08/2016 - 11/2017]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: P010012,P010014; Mass or Volume Air Flow Sensor "A" Circuit Short to Battery+ 2018 - 2020 MY Sienna [11/2017 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: P010012,P010014; Mass or Volume Air Flow Sensor "A" Circuit Short to Battery

CAUTION / NOTICE / HINT

HINT:

Read freeze frame data using the Techstream. 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, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.

PROCEDURE

1.

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

*1

Mass Air Flow Meter

*2

ECM

*a

Front view of wire harness connector

(to Mass Air Flow Meter)

-

-

(a) Disconnect the mass air flow meter connector.

(b) Connect terminals 4 (THA) and 2 (E2G) of the mass air flow meter connector on the wire harness side.

(c) Connect the Techstream to the DLC3.

(d) Turn the ignition switch to ON.

(e) Turn the Techstream on.

(f) Enter the following menus: Powertrain / Engine / Data List / Intake Air Temperature.

(g) Read the value displayed on the Techstream.

Standard value:

140°C (284°F)

HINT:

Perform "Inspection After Repair" after replacing the mass air flow meter.

Click here 2017 MY Sienna [08/2016 - 11/2017]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2018 - 2020 MY Sienna [11/2017 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

OK

REPLACE MASS AIR FLOW METER

NG

2.

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

(a) Disconnect the B56 mass air flow meter connector.

(b) Disconnect the B67 ECM connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

B56-4 (THA) - B67-102 (THA)

Always

Below 1 Ω

B56-2 (E2G) - B67-115 (E2G)

Always

Below 1 Ω

B56-4 (THA) or B67-102 (THA) - Other terminals

Always

10 kΩ or higher

OK

REPLACE ECM

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR