HYBRID CONTROL SYSTEM, Diagnostic DTC:P3108-536

DTC Code DTC Name
P3108-536 Lost Communication with A/C System Control Module

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

A01V0Z2E01
*a A/C
*b Compressor with Motor Assembly
*c Power Management Control ECU

CAUTION / NOTICE / HINT

Tech Tips

After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.


  1. Wait for 30 seconds or more with the ignition switch to ON (READY) and the air conditioning turned off.

  2. Turn the air conditioning on and wait for 30 seconds or more.

PROCEDURE


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


    1. A01V0I0E01
      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

    CONNECT SECURELY

    OK

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


    1. A01V243E02

      Check the connection of connector C22 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 compressor with motor assembly connector.

    2. A01V1V7E01
      Text in Illustration
      *a

      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
      C22-5 (GND) - Body ground Ignition switch off Below 1 Ω

    3. Turn the ignition switch to ON (IG).

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      C22-6 (IG1) - C22-5 (GND) Ignition switch ON (IG) 11 to 14 V

      Note

      Turning the ignition switch to 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 ignition switch off.

    6. Connect the compressor with motor assembly connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK DTC OUTPUT (HYBRID CONTROL)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON (READY).

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

    4. Check if DTCs are output.

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

    5. Turn the ignition switch off.


    B

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

    A

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


    1. Disconnect the power management control ECU connector.

    2. Disconnect the compressor with motor assembly connector.

    3. Turn the ignition switch to ON (IG).

    4. A01UXKOE02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *b

      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
      A26-19 (CLK) - Body ground Ignition switch ON (IG) Below 1 V
      A26-30 (ETI) - Body ground Ignition switch ON (IG) Below 1 V
      A26-31 (ITE) - Body ground Ignition switch ON (IG) Below 1 V

      Note

      Turning the ignition switch to 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 ignition 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
      A26-19 (CLK) - C22-1 (CLK) Ignition switch off Below 1 Ω
      A26-30 (ETI) - C22-3 (DOUT) Ignition switch off Below 1 Ω
      A26-31 (ITE) - C22-2 (DIN) Ignition switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      A26-19 (CLK) or C22-1 (CLK) - Body ground and other terminals Ignition switch off 10 kΩ or higher
      A26-30 (ETI) or C22-3 (DOUT) - Body ground and other terminals Ignition switch off 10 kΩ or higher
      A26-31 (ITE) or C22-2 (DIN) - Body ground and other terminals Ignition 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 compressor with motor assembly connector.

    2. A01V16UE01
      Text in Illustration
      *a

      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
      C22-3 (DOUT) - Body ground Ignition switch off 10 kΩ or higher

    3. Turn the ignition switch to ON (IG).

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      C22-1 (CLK) - Body ground Ignition switch ON (IG) 11 to 14 V
      C22-2 (DIN) - Body ground Ignition switch ON (IG) 11 to 14 V
      C22-3 (DOUT) - Body ground Ignition switch ON (IG) Below 1 V

      Note

      Turning the ignition switch to 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 ignition 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 the power management control ECU connector.

    2. A01UXK5E02
      Text in Illustration
      *a

      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
      A26-19 (CLK) - Body ground Ignition switch off 10 kΩ or higher
      A26-31 (ITE) - Body ground Ignition switch off 10 kΩ or higher

    3. Turn the ignition switch to ON (IG).

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A26-30 (ETI) - Body ground Ignition switch ON (IG) 11 to 14 V
      A26-19 (CLK) - Body ground Ignition switch ON (IG) Below 1 V
      A26-31 (ITE) - Body ground Ignition switch ON (IG) Below 1 V

      Note

      Turning the ignition switch to 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 ignition switch off.

    6. Connect the power management control ECU connector.


    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    NG

    REPLACE COMPRESSOR WITH MOTOR ASSEMBLY Click here

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


    1. Disconnect the power management control ECU connector.

    2. Disconnect the compressor with motor assembly connector.

    3. Turn the ignition switch to ON (IG).

    4. A01V23BE02
      Text in Illustration
      *a

      Rear view of wire harness connector

      (to Power Management Control ECU)
      *b

      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
      A26-20 (STB) - Body ground Ignition switch ON (IG) Below 1 V

      Note

      Turning the ignition switch to 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 ignition 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
      A26-20 (STB) - C22-4 (STBI) Ignition switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Switch Condition Specified Condition
      A26-20 (STB) or C22-4 (STBI) - Body ground and other terminals Ignition 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 compressor with motor assembly connector.

    2. A01UXRZE01
      Text in Illustration
      *a

      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
      C22-4 (STBI) - Body ground Ignition switch off 10 kΩ or higher

    3. Turn the ignition switch to ON (IG).

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      C22-4 (STBI) - Body ground Ignition switch ON (IG) Below 1 V

      Note

      Turning the ignition switch to 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 ignition 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 the power management control ECU connector.

    2. A01V1JXE02
      Text in Illustration
      *a

      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
      A26-20 (STB) - Body ground Ignition switch off 10 kΩ or higher

    3. Turn the ignition switch to ON (IG).

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A26-20 (STB) - Body ground Ignition switch ON (IG) 11 to 14 V

      Note

      Turning the ignition switch to 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 ignition switch off.

    6. Connect the power management control ECU connector.


    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    NG

    REPLACE COMPRESSOR WITH MOTOR ASSEMBLY Click here