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HYBRID CONTROL SYSTEM, Diagnostic DTC:P3175-862

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DTC Code DTC Name
P3175-862 Transmission Oil Pump Motor Coil Temperature Sensor Circuit
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DESCRIPTION

Refer to the wiring diagram for DTC P3176-863 (Click here).

DTC No. INF Code DTC Detection Condition Trouble Area
P3175 862 Oil pump motor temperature sensor values are not stable.

  • Hybrid vehicle control ECU

  • Oil with motor pump assembly

  • Wire harness or connector
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WIRING DIAGRAM

Refer to the wiring diagram for DTC P3176-863 (Click here).

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INSPECTION PROCEDURE

Tip:

The characteristics of the oil pump motor temperature sensor resistance (reference values) are as follows:

Tester Connection Resistance Temperature
TOPM - E2 121 to 129.7 kΩ 20°C (68° F)
TOPM - E2 50.49 to 55.01 kΩ 40°C (104° F)
TOPM - E2 11.26 to 12.99 kΩ 80°C (176° F)
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PROCEDURE


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    CLEAR DTC


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

    4. Read and record the DTCs and freeze frame data.

    5. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.

    6. Clear DTCs and freeze frame data.


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    READ VALUE USING INTELLIGENT TESTER (OPM TEMPERATURE)


    1. Select the following menu items: Powertrain / Hybrid Control / Data List / OPM Temperature.

    2. Read the data list.

      Result
      Result Proceed to
      0°C (32° F) (open or short to +B) or 200°C (392° F) (short to GND). A
      Approximately equal to the actual temperature B

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    CHECK HARNESS AND CONNECTOR


    1. A01GYIVE03

      Turn the power switch off.

    2. Disconnect connectors E58 and A76 from the hybrid vehicle control ECU.

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

      Standard resistance (Check for short)
      Tester Connection Switch Condition Specified Condition
      E58-34 (TOPM) - A76-5 (E2) - Body ground and other terminals Power switch off 10 kΩ or higher
      Standard resistance
      Tester Connection Condition Specified Condition
      E58-34 (TOPM) - A76-5 (E2) 20 °C (68° F) 121 to 129.7 kΩ
      E58-34 (TOPM) - A76-5 (E2) 40 °C (104° F) 50.49 to 55.01 kΩ
      E58-34 (TOPM) - A76-5 (E2) 80 °C (176° F) 11.26 to 12.99 kΩ

    4. Turn the power switch on (IG).

    5. Measure the voltage according to the value(s) in the table below.

      Standard voltage
      Tester Connection Switch Condition Specified Condition
      E58-34 (TOPM) - A76-5 (E2) Power switch on (IG) Below 1 V
      Note:

      Turning the power switch on (IG) with the hybrid vehicle control ECU connectors disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.


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    CHECK OIL WITH MOTOR PUMP ASSEMBLY (OIL PUMP MOTOR TEMPERATURE SENSOR)


    1. A01H1RP

      Turn the power switch off.

    2. Disconnect the oil pump motor temperature sensor connector.

    3. A01GY1TE08

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

      Standard resistance (Check for short)
      Tester Connection Switch Condition Specified Condition
      E67-1 (OMT) - Body ground Power switch off 10 kΩ or higher

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

      Standard resistance
      Tester Connection Condition Specified Condition
      E67-1 (OMT) - E67-2 (OMTG) 20 °C (68° F) 121 to 129.7 kΩ
      E67-1 (OMT) - E67-2 (OMTG) 40 °C (104° F) 50.49 to 55.01 kΩ
      E67-1 (OMT) - E67-2 (OMTG) 80 °C (176° F) 11.26 to 12.99 kΩ

    5. Turn the power switch on (IG).

    6. Measure the voltage according to the value(s) in the table below.

      Standard voltage
      Tester Connection Switch Condition Specified Condition
      E67-1 (OMT) - E67-2 (OMTG) Power switch on (IG) Below 1 V
      E67-2 (OMTG) - Body ground Power switch on (IG) Below 1 V
      Note:

      Turning the power switch on (IG) with the oil pump motor temperature sensor connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.


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    CHECK FOR INTERMITTENT PROBLEMSClick here

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    REPLACE HYBRID VEHICLE CONTROL ECUClick here

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    REPLACE OIL WITH MOTOR PUMP ASSEMBLYClick here

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    REPAIR OR REPLACE HARNESS OR CONNECTOR