HYBRID CONTROL SYSTEM, Diagnostic DTC:P3108-536

DTC Code DTC Name
P3108-536 A/C Amplifier Communication Circuit Malfunction

DESCRIPTION


DTC No. INF Code DTC Detection Condition Trouble Area
P3108 536 A/C inverter malfunction

  • Wire harness or connector

  • Compressor with motor assembly

  • Power management control ECU

WIRING DIAGRAM

A01J9NME01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR)


    1. Check the connections of the power management control ECU connectors.

      A01JA9CE01
      Text in Illustration
      *1 for LHD *2 for RHD
      OK
      The connectors are connected securely and there are no contact problems.

    NG

    CONNECT SECURELY

    OK

  2. CHECK CONNECTOR CONNECTION CONDITION (COMPRESSOR WITH MOTOR ASSEMBLY CONNECTOR)


    1. A01J8IG

      Check the connection of the low voltage connector of the compressor with motor assembly.

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

    NG

    CONNECT SECURELY

    OK

  3. CHECK HARNESS AND CONNECTOR (COMPRESSOR WITH MOTOR ASSEMBLY POWER SOURCE CIRCUIT)


    1. Disconnect connector D12 from the compressor with motor assembly.

    2. A01J9M1E05
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Compressor with Motor Assembly)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      D12-5 (GND) - Body ground Power switch off Below 1 Ω

    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
      D12-6 (IG1) - D12-5 (GND) Power switch on (IG) 11 to 14 V

      Note

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

    5. Turn the power switch off.

    6. Connect the compressor with motor assembly connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK DTC OUTPUT (HV)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (READY).

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

    4. Check if DTCs are output.

      Result
      Result Proceed to
      DTC P3108-536 is output. A
      DTC P3108-536 is not output. B

    5. Turn the power switch off.


    B

    CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - COMPRESSOR WITH MOTOR) Click here

    A

  5. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - COMPRESSOR WITH MOTOR)


    1. Disconnect connector A21 connector from the power management control ECU.

    2. Disconnect connector D12 from the compressor with motor assembly.

    3. Turn the power switch on (IG).

    4. A01J8LAE03
      Text in Illustration
      *1

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *2

      Front view of wire harness connector

      (to Compressor with Motor Assembly)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A21-19 (CLK) - Body ground Power switch on (IG) Below 1 V
      A21-31 (ITE) - Body ground Power switch on (IG) Below 1 V
      A21-30 (ETI) - 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 (Check for Open)
      Tester Connection Switch Condition Specified Condition
      A21-19 (CLK) - D12-1 (CLK) Power switch off Below 1 Ω
      A21-31 (ITE) - D12-2 (DIN) Power switch off Below 1 Ω
      A21-30 (ETI) - D12-3 (DOUT) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      A21-19 (CLK) or D12-1 (CLK) - Body ground and other terminals Power switch off 10 kΩ or higher
      A21-31 (ITE) or D12-2 (DIN) - Body ground and other terminals Power switch off 10 kΩ or higher
      A21-30 (ETI) or D12-3 (DOUT) - Body ground and other terminals Power switch off 10 kΩ or higher

    7. Connect the compressor with motor assembly connector.

    8. Connect the power management control ECU connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK POWER MANAGEMENT CONTROL ECU


    1. Disconnect connector D12 from the compressor with motor assembly.

    2. A01J9M1E06
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Compressor with Motor Assembly)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      D12-3 (DOUT) - Body ground Power switch off 10 kΩ or higher

    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
      D12-1 (CLK) - Body ground Power switch on (IG) 11 to 14 V
      D12-2 (DIN) - Body ground Power switch on (IG) 11 to 14 V
      D12-3 (DOUT) - Body ground Power switch on (IG) Below 1 V

      Note

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

    5. Turn the power switch off.

    6. Connect the compressor with motor assembly connector.


    NG

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    OK

  7. CHECK COMPRESSOR WITH MOTOR ASSEMBLY


    1. Disconnect connector A21 connector from the power management control ECU.

    2. A01JB1BE03
      Text in Illustration
      *1

      Rear view of wire harness connector

      (to Power Management Control ECU)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      A21-19 (CLK) - Body ground Power switch off 10 kΩ or higher
      A21-31 (ITE) - Body ground Power switch off 10 kΩ or higher

    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
      A21-30 (ETI) - Body ground Power switch on (IG) 11 to 14 V
      A21-19 (CLK) - Body ground Power switch on (IG) Below 1 V
      A21-31 (ITE) - 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. Connect the power management control ECU connector.


    NG

    REPLACE COMPRESSOR WITH MOTOR ASSEMBLY Click here

    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

  8. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - COMPRESSOR WITH MOTOR)


    1. Disconnect connector A21 connector from the power management control ECU.

    2. Disconnect connector D12 from the compressor with motor assembly.

    3. Turn the power switch on (IG).

    4. A01J8LAE04
      Text in Illustration
      *1

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *2

      Front view of wire harness connector

      (to Compressor with Motor Assembly)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A21-20 (STB) - Body ground Power switch on (IG) Below 1 V

      Note

      Turning the power switch on (IG) with the power management control ECU connector and the compressor with motor assembly 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 (Check for Open)
      Tester Connection Switch Condition Specified Condition
      A21-20 (STB) - D12-4 (STBI) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      A21-20 (STB) or D12-4 (STBI) - Body ground and other terminals Power switch off 10 kΩ or higher

    7. Connect the compressor with motor assembly connector.

    8. Connect the power management control ECU connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  9. CHECK POWER MANAGEMENT CONTROL ECU


    1. Disconnect connector D12 from the compressor with motor assembly.

    2. A01J9M1E07
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Compressor with Motor Assembly)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      D12-4 (STBI) - Body ground Power switch off 10 kΩ or higher

    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
      D12-4 (STBI) - Body ground Power switch on (IG) Below 1 V

      Note

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

    5. Turn the power switch off.

    6. Connect the compressor with motor assembly connector.


    NG

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    OK

  10. CHECK COMPRESSOR WITH MOTOR ASSEMBLY


    1. Disconnect connector A21 connector from the power management control ECU.

    2. A01JB1BE04
      Text in Illustration
      *1

      Rear view of wire harness connector

      (to Power Management Control ECU)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      A21-20 (STB) - Body ground Power switch off 10 kΩ or higher

    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
      A21-20 (STB) - Body ground Power switch on (IG) 11 to 14 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. Connect the power management control ECU connector.


    NG

    REPLACE COMPRESSOR WITH MOTOR ASSEMBLY Click here

    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here