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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Plug-In Charge Control System - Diagnostic Codes (1 Of 3)) >> PLUG-IN CHARGE CONTROL SYSTEM (for PHEV Model) >> DTC P0D56-15: Charging Connector Proximity Detection Circuit Short to Auxiliary Battery or Open [12/2023 - ] >> Procedure

DTC P0D56-15: Charging Connector Proximity Detection Circuit Short to Auxiliary Battery or Open [12/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
  1. CUSTOMER ANALYSIS 
    1. In accordance with the result of the customer problem analysis shown in the following table, confirm which electric vehicle charger cable assembly was used when the malfunction occurred.

      Result

      Result Proceed to
      Charging station or electric vehicle charger cable assembly other than one provided with the vehicle was used when malfunction occurred A
      Electric vehicle charger cable assembly provided with the vehicle was used when malfunction occurred B

    Result: 

    B 

    See step  3

    Result: 

    A 

    See step  2

  2. CHECK PLUG-IN CHARGE STATE (USING THE ELECTRIC VEHICLE CHARGER CABLE ASSEMBLY PROVIDED WITH THE VEHICLE) 
    NOTE:
    • Make sure to use a known good AC power source.
    • Plug-in charge the vehicle using the electric vehicle charger cable assembly provided with the vehicle.
    • Use the same power voltage that the customer used to plug-in charge the vehicle.

    Pre-procedure1

    • Enter the following menus: Health Check.
    • Clear DTCs.
    • According to the display on the GTS, read the Data List and confirm that the SOC of the HV battery is less than 70%.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Hybrid/EV Battery SOC

      HINT: 

      If the SOC of the HV battery is 70% or more, drive the vehicle in EV mode to discharge the HV battery until the SOC becomes less than 70%.

    • Set charge schedule to off.

      HINT: 

      • If no charge schedule has been registered, the above step is not necessary.
      1. Charge schedule setting method:

        - Using the steering pad switches, select "OFF" on the timer charge setting screen of the multi-information display.

      • Plug-in charging can be started immediately if the timer charge setting is canceled.
      • When the charge schedule is set, if the charging connector is disconnected and then connected while the charging indicator (EV charger lid indicator) is blinking (normal), the charge schedule will be canceled.
    • Plug-in charge the vehicle using the electric vehicle charger cable assembly that was provided with the vehicle.
    • Enter the following menus: Health Check.
    • Check DTCs.

      Result

      Result Proceed to
      DTCs not stored and plug-in charging started A
      DTCs output B

    Post-procedure1

    • Turn the ignition switch off.
    • Disconnect the electric vehicle charger cable assembly.

    Result: 

    A 

    CAUSE ANALYSIS (ENVIRONMENT RELATED CAUSE) 

    1. Analyze the cause according to the following table.
      ENVIRONMENT RELATED CAUSE

      Possible Cause Action to be Taken
      Open or short to +B in PISW circuit of charging station 1) Check charging station
      2) Charge with the electric vehicle charger cable assembly provided with the vehicle
      Open or short to +B in PISW circuit of electric vehicle charger cable assembly other than one provided with vehicle 1) Inspect the charging cable that the customer used
      2) Charge with the charging cable provided with the vehicle
    2. Take appropriate action in accordance with the result of the cause analysis.

    Result: 

    B 

    See step  3

  3. INSPECT CHARGING CABLE (ELECTRIC VEHICLE CHARGER CABLE ASSEMBLY) (CHECK FOR SHORT) 

    HINT: 

    Perform the inspection with the charging cable (electric vehicle charger cable assembly) disconnected the plug.

    1. Measure the resistance according to the value(s) in the table below.
      GTY697967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Charging Cable (Electric Vehicle Charger Cable Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      3 (PISW) - 5 (GND) Latch release button (PISW) is pressed 430 to 530 Ω Ω
      3 (PISW) - 5 (GND) Latch release button (PISW) is not pressed 135 to 165 Ω Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE CHARGING CABLE (ELECTRIC VEHICLE CHARGER CABLE ASSEMBLY) 

    Result: 

    OK 

    See step  4

  4. CHECK CONNECTOR CONNECTION CONDITION (AC CHARGER INLET CABLE CONNECTOR) 
    1. Check the connector connection and contact pressure of the relevant terminals of the In1 AC charger inlet cable connector.

      HINT: 

      Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [09/2023 - ]

      GTY1233316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

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

      Result

      Result Proceed to
      OK A
      NG (The connector is not connected securely) B
      NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector) C

    Result: 

    B 

    CONNECT SECURELY 

    Result: 

    C 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    A 

    See step  5

  5. CHECK AC CHARGER INLET CABLE (BODY GROUND TERMINAL CONNECTION CONDITION) 
    1. Check the installation condition of the ground wire nA.

      OK

      The ground wire is securely installed.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    CONNECT SECURELY 

    Result: 

    OK 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (CHARGING INLET - ELECTRIC VEHICLE CHARGER ASSEMBLY) 
    WARNING:

    Be sure to wear insulated gloves.

    Pre-procedure1

    • Check that the service plug grip is not installed.
      NOTE:

      After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the service information because this may cause a malfunction.

    • Disconnect the J84 electric vehicle charger assembly connector.
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      n1-3 (PISW) - n1-5 (GND) Ignition switch off 2.3 to 3.0 kΩ kΩ
      n1-3 (PISW) - Body ground Ignition switch off 2.3 to 3.0 kΩ kΩ
      GTY1236931Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a AC Charger Inlet Cable
      (Charging Inlet)

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • Reconnect the electric vehicle charger assembly connector.

    Result: 

    NG 

    See step  9

    Result: 

    OK 

    See step  7

  7. CHECK AC CHARGER INLET CABLE 

    Pre-procedure1

    • Disconnect the In1 AC charger inlet cable connector.
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      n1-3 (PISW) - n1-5 (GND) Ignition switch off 2.3 to 3.0 kΩ kΩ
      n1-5 (GND) - Body ground Ignition switch off Below 1 Ω Ω
      n1-3 (PISW) - In1-1 (PISW) Ignition switch off Below 1 Ω Ω

      Result

      Proceed to
      OK
      NG
      GTY1236931Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a AC Charger Inlet Cable
      (Charging Inlet)

    Post-procedure1

    • Reconnect the AC charger inlet cable connector.

    Result: 

    NG 

    REPAIR OR REPLACE AC CHARGER INLET CABLE. Refer to  REMOVAL [12/2023 - ] 

    Result: 

    OK 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (AC CHARGER INLET CABLE - ELECTRIC VEHICLE CHARGER ASSEMBLY) 
    WARNING:

    Be sure to wear insulated gloves.

    Pre-procedure1

    • Check that the service plug grip is not installed.
      NOTE:

      After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the service information because this may cause a malfunction.

    • Disconnect the In1 AC charger inlet cable connector.
    • Disconnect the J84 electric vehicle charger assembly connector.
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      In1-1 (PISW) - J84-1 (PISW) Ignition switch off Below 1 Ω Ω

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • Reconnect the electric vehicle charger assembly connector.
    • Reconnect the AC charger inlet cable connector.

    Result: 

    OK 

    REPLACE ELECTRIC VEHICLE CHARGER ASSEMBLY. Refer to  REMOVAL [12/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  9. CHECK AC CHARGER INLET CABLE (CHECK FOR SHORT TO +B) 

    Pre-procedure1

    • Disconnect the In1 AC charger inlet cable connector.
    • Connect the cable to the negative (-) auxiliary battery terminal.
    • Turn the ignition switch to ON.
    • Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition Result
      n1-3 (PISW) - n1-5 (GND) Ignition switch ON Below 1 V V
      n1-3 (PISW) - Body ground Ignition switch ON Below 1 V V
      NOTE:

      Turning the ignition switch to ON with the AC charger inlet cable connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

      GTY1236931Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a AC Charger Inlet Cable
      (Charging Inlet)

      HINT: 

      • Connectors
        • Slightly shake the connector vertically and horizontally.
      • Wire harness
        • Slightly shake the wire harness vertically and horizontally.

          The connector joint and fulcrum of the vibration are the major areas that should be checked thoroughly.

      GTY718880Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Example
      *b Shake Slightly
      *c Vibrate Slightly

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • Turn the ignition switch off.
    • Disconnect the cable from the negative (-) auxiliary battery terminal.
    • Reconnect the AC charger inlet cable connector.

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    NG 

    REPAIR OR REPLACE AC CHARGER INLET CABLE. Refer to  REMOVAL [12/2023 - ] 

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