HYBRID CONTROL SYSTEM, Diagnostic DTC:P3177-864

DTC Code DTC Name
P3177-864 Transmission Oil Pump Motor Coil Temperature Sensor Circuit High

DESCRIPTION

Refer to the description for DTC P3176-863 Click here.

DTC No. INF Code DTC Detection Condition Trouble Area
P3177 864 Open or short to +B in the oil pump motor temperature sensor circuit

  • Power management control ECU

  • Oil with motor pump assembly

  • Wire harness or connector

WIRING DIAGRAM

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

INSPECTION PROCEDURE

Tech Tips

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

Tester Connection Resistance Temperature
OMT - OMTG 11.94 to 12.22 kΩ 68°F (20°C)
OMT - OMTG 5.75 to 5.92 kΩ 104°F (40°C)
OMT - OMTG 1.63 to 1.71 kΩ 176°F (80°C)

PROCEDURE


  1. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

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

    5. Clear DTCs and freeze frame data.

    6. Turn the power switch off.


    NEXT

  2. READ VALUE USING GTS (OPM TEMPERATURE)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Data List / OPM Temperature.

    4. Read the Data List.

      Result
      Result Proceed to
      -40°F (-40°C) (open or short to +B) A
      Approximately equal to the actual temperature B

    5. Turn the power switch off.


    B

    CHECK FOR INTERMITTENT PROBLEMS Click here

    A

  3. CHECK HARNESS AND CONNECTOR


    1. A01FQ69E26
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)

      Disconnect the connector from the power management control ECU.

    2. Turn the power switch on (IG).

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A36-31 (TOPM) - A36-32 (ETHO) or Body ground Power switch on (IG) Below 1 V

      Note

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

    4. Turn the power switch off.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A36-31 (TOPM) - A36-32 (ETHO) 68°F (20°C) 11.94 to 12.22 kΩ
      A36-31 (TOPM) - A36-32 (ETHO) 104°F (40°C) 5.75 to 5.92 kΩ
      A36-31 (TOPM) - A36-32 (ETHO) 176°F (80°C) 1.63 to 1.71 kΩ

    6. Connect the power management control ECU connector.


    NG

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

    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

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


    1. A01FS80

      Disconnect the oil pump motor temperature sensor connector.

    2. Turn the power switch on (IG).

    3. A01FRWJE09
      Text in Illustration
      *1 Oil Pump Motor Temperature Sensor

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      F64-1 (OMT) - F64-2 (OMTG) Power switch on (IG) Below 1 V
      F64-2 (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.

    4. Turn the power switch off.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F64-1 (OMT) - F64-2 (OMTG) 68°F (20°C) 11.94 to 12.22 kΩ
      F64-1 (OMT) - F64-2 (OMTG) 104°F (40°C) 5.75 to 5.92 kΩ
      F64-1 (OMT) - F64-2 (OMTG) 176°F (80°C) 1.63 to 1.71 kΩ

    6. Connect the oil pump motor temperature sensor connector.


    NG

    REPLACE OIL WITH MOTOR PUMP ASSEMBLY Click here

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR