HYBRID CONTROL SYSTEM, Diagnostic DTC:P0867-880

DTC Code DTC Name
P0867-880 Transmission Fluid Pressure

DESCRIPTION

Refer to the description for DTC P0731-871 Click here.

DTC No. INF Code DTC Detection Condition Trouble Area
P0867 880 After DTC P0868 is detected, the power management control ECU cannot confirm that the line pressure is forcibly applied.
  • Wire harness or connector

  • Hybrid vehicle transmission assembly

  • Oil with motor pump assembly

  • Power management control ECU

  • Fusible link (OIL PMP)

  • OIL PMP relay

WIRING DIAGRAM

Refer to the wiring diagram for DTC P0731-871 Click here.

Refer to the wiring diagram for DTC P0867-882 Click here.

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT (HYBRID CONTROL)


    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. Check if DTCs are output.

      Result
      Result Proceed to
      P0867-880 only is output. A
      Any of the following DTCs are also output. B
      DTC No. Relevant Diagnosis
      P2720-852 Pressure Control Solenoid Circuit Low Voltage
      P2721-853 Pressure Control Solenoid Circuit High Voltage
      P2797-881 Auxiliary Transmission Fluid Pump Control Performance
      P0C29-865 Auxiliary Transmission Fluid Pump Driver Circuit Performance
      P0C2C-888, 889 Auxiliary Transmission Fluid Pump Control Module Feedback Signal Range / Performance
      P0C2D-858 Auxiliary Transmission Fluid Pump Control Module Feedback Signal Low
      P0C2E-859 Auxiliary Transmission Fluid Pump Control Module Feedback Signal High
    5. Turn the power switch off.


    B
    A
  2. CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR)


    1. A01FQC6E01
      Text in Illustration
      *A for LHD
      *B for RHD

      Check the connector connections and contact pressure of the relevant terminals for the power management control ECU connectors Click here.

      OK
      The connectors are connected securely and there are no contact pressure problems.

    NG
    OK
  3. CHECK CONNECTOR CONNECTION CONDITION (TRANSMISSION WIRE CONNECTOR)


    1. A01FQ02

      Check the connection of the transmission wire connector Click here.

      OK
      The connector is connected securely and there are no contact problems.

    NG
    OK
  4. CHECK CONNECTOR CONNECTION CONDITION (OIL PUMP MOTOR CONTROLLER CONNECTOR)

    Note

    Before disconnecting the connectors, confirm that they are properly connected by checking that the locking claws are engaged and that the connectors cannot be pulled out.


    1. A01FSZN

      Check the connections of the oil pump motor controller connectors Click here.

      OK
      The connectors are connected securely and there are no contact problems.

      Tech Tips

      For connector A, when connecting it, insert it with the locking lever in the raised position. Rotate the lever downward and make sure that the connector is pulled into its socket. When the locking lever is in its fully closed position, a click will be heard as its locking claws engage. After the click is heard, pull up on the connector to confirm that it is properly connected.


    NG
    OK
  5. CHECK FUSIBLE LINK (OIL PMP)


    1. A01FV3PE01
      Text in Illustration
      *1 No. 1 Engine Room Relay Block and Junction Block Assembly
      *2 Fusible Link (OIL PMP)

      Check if there is an open circuit in the fusible link (OIL PMP) in the No. 1 engine room relay block and junction block assembly.

      OK
      There is no open circuit in the fusible link (OIL PMP).

    NG
    OK
  6. CHECK HYBRID VEHICLE TRANSMISSION ASSEMBLY (SOLENOID VALVE (SP))


    1. A01FQ69E22
      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. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      A36-7 (SP) - Body ground 68°F (20°C) 11 to 15 Ω
    3. Connect the power management control ECU connector.


    NG
    OK
  7. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - OIL PUMP MOTOR CONTROLLER)


    1. A01FV87E01
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)

      *b

      Front view of wire harness connector

      (to Oil Pump Motor Controller)

      Disconnect the connector from the power management control ECU.

    2. Disconnect the connector from the oil pump motor controller.

    3. Turn the power switch on (IG).

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A35-16 (TPM1) - Body ground Power switch on (IG) Below 1 V
      A35-17 (TPST) - Body ground Power switch on (IG) Below 1 V

      Note

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

    5. Turn the power switch off.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      A35-16 (TPM1) - A44-6 (SIG) Power switch off Below 1 Ω
      A35-17 (TPST) - A44-7 (OPST) Power switch off Below 1 Ω
      A35-16 (TPM1) - Body ground and other terminals Power switch off 10 kΩ or higher
      A35-17 (TPST) - Body ground and other terminals Power switch off 10 kΩ or higher
    7. Connect the power management control ECU connector.

    8. Connect the oil pump motor controller connector.


    NG
    OK
  8. CHECK RELAY (OIL PMP)


    1. A01FUW2E01
      Text in Illustration
      *1 No. 1 Engine Room Relay Block and Junction Block Assembly
      *2 OIL PMP Relay

      Remove the OIL PMP relay from the No. 1 engine room relay block and junction block assembly.

    2. A01FSCJE02
      Text in Illustration
      *1 OIL PMP Relay

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 151 to 203 Ω
      3 - 5 Auxiliary battery voltage is not applied between terminals 1 and 2 10 kΩ or higher
      Auxiliary battery voltage is applied between terminals 1 and 2 Below 1 Ω
    3. Install the OIL PMP relay to the No. 1 engine room relay block and junction block assembly.


    NG
    OK
  9. CHECK OIL WITH MOTOR PUMP ASSEMBLY


    1. A01FQH8E03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Oil Pump Motor Controller)

      Disconnect the connectors from the oil pump motor controller.

    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
      Z19-1 (W) - Body ground Power switch on (IG) Below 1 V
      Z19-2 (U) - Body ground Power switch on (IG) Below 1 V
      Z19-3 (V) - Body ground Power switch on (IG) Below 1 V
      z20-1 (OHW) - Body ground Power switch on (IG) Below 1 V
      z20-2 (OHV) - Body ground Power switch on (IG) Below 1 V
      z20-3 (OHU) - Body ground Power switch on (IG) Below 1 V
      z20-4 (OIGH) - Body ground Power switch on (IG) Below 1 V
      z20-5 (OHG) - Body ground Power switch on (IG) Below 1 V

      Note

      Turning the power switch on (IG) with the oil pump motor controller 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 Switch Condition Specified Condition
      z19-1 (W) - z19-2 (U) Power switch off Below 1 Ω
      z19-1 (W) - z19-3 (V) Power switch off Below 1 Ω
      z19-1 (W) - Body ground Power switch off 10 kΩ or higher
      z19-2 (U) - Body ground Power switch off 10 kΩ or higher
      z19-3 (V) - Body ground Power switch off 10 kΩ or higher
      z20-1 (OHW) - Body ground Power switch off 10 kΩ or higher
      z20-2 (OHV) - Body ground Power switch off 10 kΩ or higher
      z20-3 (OHU) - Body ground Power switch off 10 kΩ or higher
      z20-4 (OIGH) - Body ground Power switch off 10 kΩ or higher
      z20-5 (OHG) - Body ground Power switch off 10 kΩ or higher
    6. Connect the oil pump motor controller connector.


    NG
    OK
  10. CHECK OIL PUMP MOTOR CONTROLLER (POWER SOURCE CIRCUIT)


    1. Disconnect the connector from the oil pump motor controller.

    2. Turn the power switch on (IG).

    3. A01FULAE10
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Oil Pump Motor Controller)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A44-5 (+B) - Body ground Power switch on (IG) 11 to 14 V
    4. Turn the power switch off.

    5. A01FUW2E01
      Text in Illustration
      *1 No. 1 Engine Room Relay Block and Junction Block Assembly
      *2 OIL PMP Relay

      Remove the OIL PMP relay from the No. 1 engine room relay block and junction block assembly.

    6. A01FTQBE01
      Text in Illustration
      *1 No. 1 Engine Room Relay Block and Junction Block Assembly
      *2 OIL PMP Relay
      *a

      Front view of wire harness connector

      (to Oil Pump Motor Controller)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      5 (OIL PMP relay) - A44-5 (+B) Power switch off Below 1 Ω
      2 (OIL PMP relay) - Body ground Power switch off Below 1 Ω
      5 (OIL PMP relay) - Body ground Power switch off 10 kΩ or higher
    7. Disconnect the connector from the power management control ECU.

      A01FRA6E01
      Text in Illustration
      *1 No. 1 Engine Room Relay Block and Junction Block Assembly *2 OIL PMP Relay
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)

      - -
    8. Turn the power switch off.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      1 (OIL PMP relay) - A35-7 (TPM2) Power switch off Below 1 Ω
      1 (OIL PMP relay) or A35-7 (TPM2) - Body ground Power switch off 10 kΩ or higher
    10. Connect the oil pump motor controller connector.

    11. Install the OIL PMP relay to the No. 1 engine room relay block and junction block assembly.

    12. Connect the power management control ECU connector.


    NG
    OK
  11. 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
  12. SIMULATION TEST


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Active Test / Activate the Oil Pump (500rpm), Activate the Oil Pump (1000rpm).

    4. Select OPM Revolution in the Data List.

    5. Perform the "Activate the Oil Pump (500rpm)" and "Activate the Oil Pump (1000rpm)" Active Tests.

      OK
      For both the "Activate the Oil Pump (500rpm)" and "Activate the Oil Pump (1000rpm)" Active Tests, the value of "OPM Revolution" is almost the same as the corresponding Active Test speed.

      Note

      Make sure that the auxiliary battery is not discharged.

    6. Turn the power switch off.


    NG
    OK
  13. SIMULATION TEST


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (READY).

    3. Enter the following menus: Powertrain / Hybrid Control / Active Test / Control the Shift Position.

    4. Select B1 Oil Pressure, B2 Oil Pressure Sensor, Line Pressure and Line Pressure Solenoid in the Data List.

    5. Perform the "Control the Shift Position" Active Test.

    6. Switch the shift position between "Lo" and "Hi" several times using the "Control the Shift Position" Active Test.

      OK
      Item Condition Specified Condition
      Data List
      B1 Oil Pressure B2 Oil Pressure Sensor Line Pressure Line Pressure Solenoid
      Control the Shift Position Lo OFF ON ON OFF
      Hi ON OFF ON OFF

      Note

      Transmission system DTCs may be stored if the "Control the Shift Position" Active Test is canceled before it is completed.

    7. Turn the power switch off.


    NG
    OK
  14. CHECK FOR INTERMITTENT PROBLEMS

    Click here


    NG
    OK
  15. CHECK FLUID LEAKS


    1. Check for fluid leaks from the hybrid vehicle transmission assembly.

      OK
      There are no fluid leaks.

    NG
    OK
  16. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - TRANSMISSION WIRE)


    1. A01FRYNE03
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)

      *b

      Front view of wire harness connector

      (to Transmission Wire)

      Disconnect the power management control ECU connector.

    2. Disconnect the transmission wire connector.

    3. Turn the power switch on (IG).

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A36-7 (SP) - Body ground Power switch on (IG) Below 1 V

      Note

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

    5. Turn the power switch off.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      A36-7 (SP) - F52-4 (SP) Power switch off Below 1 Ω
      A36-7 (SP) or F52-4 (SP) - Body ground and other terminals Power switch off 10 kΩ or higher

      Tech Tips

      The solenoid valve (SP) is not available separately. If it requires replacement, replace the hybrid vehicle transmission assembly

    7. Connect the power management control ECU connector.

    8. Connect the transmission wire connector.


    NG
    OK