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

A01NEMGE01

INSPECTION PROCEDURE

PROCEDURE


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


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

      A01NF3IE01
      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. A01NEC6

      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 the D48 connector from the compressor with motor assembly.

    2. A01NHCSE01
      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
      D48-5 (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
      D48-6 (IG1) - D48-5 (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 the A80 connector from the power management control ECU.

    2. Disconnect the D48 connector from the compressor with motor assembly.

    3. Turn the power switch on (IG).

    4. A01NDOYE01
      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
      A80-19 (CLK) - Body ground Power switch on (IG) Below 1 V
      A80-31 (ITE) - Body ground Power switch on (IG) Below 1 V
      A80-30 (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
      A80-19 (CLK) - D48-1 (CLK) Power switch off Below 1 Ω
      A80-31 (ITE) - D48-2 (DIN) Power switch off Below 1 Ω
      A80-30 (ETI) - D48-3 (DOUT) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      A80-19 (CLK) or D48-1 (CLK) - Body ground and other terminals Power switch off 10 kΩ or higher
      A80-31 (ITE) or D48-2 (DIN) - Body ground and other terminals Power switch off 10 kΩ or higher
      A80-30 (ETI) or D48-3 (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 the D48 connector from the compressor with motor assembly.

    2. A01NHCSE02
      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
      D48-3 (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
      D48-1 (CLK) - Body ground Power switch on (IG) 11 to 14 V
      D48-2 (DIN) - Body ground Power switch on (IG) 11 to 14 V
      D48-3 (DOUT) - Body ground Power switch on (IG) Below 1 V
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

      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.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here

    C

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    A

  7. CHECK COMPRESSOR WITH MOTOR ASSEMBLY


    1. Disconnect the A80 connector from the power management control ECU.

    2. A01NH2ZE01
      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
      A80-19 (CLK) - Body ground Power switch off 10 kΩ or higher
      A80-31 (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
      A80-30 (ETI) - Body ground Power switch on (IG) 11 to 14 V
      A80-19 (CLK) - Body ground Power switch on (IG) Below 1 V
      A80-31 (ITE) - Body ground Power switch on (IG) Below 1 V
      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

      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.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    C

    REPLACE COMPRESSOR WITH MOTOR ASSEMBLY Click here

    A

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here

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


    1. Disconnect the A80 connector from the power management control ECU.

    2. Disconnect the D48 connector from the compressor with motor assembly.

    3. Turn the power switch on (IG).

    4. A01NDOYE02
      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
      A80-20 (STB) - Body ground Power switch on (IG) Below 1 V

      Note

      Turning the power switch on (IG) with the power management control ECU connector 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
      A80-20 (STB) - D48-4 (STBI) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      A80-20 (STB) or D48-4 (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 the D48 connector from the compressor with motor assembly.

    2. A01NHCSE04
      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
      D48-4 (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
      D48-4 (STBI) - Body ground Power switch on (IG) Below 1 V
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

      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.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here

    C

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    A

  10. CHECK COMPRESSOR WITH MOTOR ASSEMBLY


    1. Disconnect the A80 connector from the power management control ECU.

    2. A01NH2ZE02
      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
      A80-20 (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
      A80-20 (STB) - Body ground Power switch on (IG) 11 to 14 V
      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

    5. Turn the power switch off.

    6. Connect the power management control ECU connector.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    C

    REPLACE COMPRESSOR WITH MOTOR ASSEMBLY Click here

    A

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here