Click here

HYBRID BATTERY SYSTEM, Diagnostic DTC:P0A9C-123, P0AC6-123, P0ACB-123, P0AE9-123, P0BC3-123, P0C34-123, P0C6E-123, P0C70-123, P0C72-123

Click here
Click here Click here
DTC Code DTC Name
P0A9C-123 Hybrid Battery Temperature Sensor "A" Range / Performance
P0AC6-123 Hybrid Battery Temperature Sensor "B" Range / Performance
P0ACB-123 Hybrid Battery Temperature Sensor "C" Range / Performance
P0AE9-123 Hybrid Battery Temperature Sensor "D" Range / Performance
P0BC3-123 Hybrid Battery Temperature Sensor "E" Range / Performance
P0C34-123 Hybrid Battery Temperature Sensor "F" Range / Performance
P0C6E-123 Hybrid Battery Temperature Sensor "A" / "B" Correlation
P0C70-123 Hybrid Battery Temperature Sensor "C" / "D" Correlation
P0C72-123 Hybrid Battery Temperature Sensor "E" / "F" Correlation
Click here

DESCRIPTION


DTC No. DTC Detection Condition Trouble Area

P0A9C-123

P0AC6-123

P0ACB-123

P0AE9-123

P0BC3-123

P0C34-123

P0C6E-123

P0C70-123

P0C72-123

 When the battery temperature sensor performance is abnormal (1 trip detection/2 trip detection)

  • HV battery assembly

  • Battery smart unit

  • Wire harness or connector
Click here

WIRING DIAGRAM

Click here

INSPECTION PROCEDURE

CAUTION:

  • Before inspecting the high-voltage system, take safety precautions to prevent electrical shocks, such as wearing insulated gloves and removing the service plug grip. After removing the service plug grip, put it in your pocket to prevent other technicians from accidentally reconnecting it while you are working on the high-voltage system.

  • After disconnecting the service plug grip, wait for at least 10 minutes before touching any of the high-voltage connectors or terminals.

    Tip:

    At least 10 minutes is required to discharge the high-voltage capacitor inside the inverter with converter assembly.

  • When disposing of an HV battery, make sure to return it through an authorized collection agent who is capable of handling it safely. If the HV battery is returned via the manufacturer specified route, it will be returned properly and in a safe manner by an authorized collection agent.

Note:

After the power switch is turned off, the display and navigation module display (HDD navigation system) records various types of memory and settings. As a result, after turning the power switch off, make sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) battery terminal.

Table 1. Waiting Time before Disconnecting Cable from Negative (-) Battery Terminal
Specification Waiting Time
w/o Telematics transceiver 60 sec.
w/ Telematics transceiver 120 sec.
Click here

PROCEDURE


  1. Click here

    CHECK DTC OUTPUT (DTC P0A1D-390 IS OUTPUT)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

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

    4. Read output DTCs (Click here).

      Result
      Result Proceed to
      P0A1D-390 is not output. A
      P0A1D-390 is also output. B

    5. Disconnect the intelligent tester from the DLC3.


  2. Click here

    CHECK DTC OUTPUT (DTC P0AFC-123 IS OUTPUT)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

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

    4. Read output DTCs (Click here).

      Result
      Result Proceed to
      P0AFC-123 is not output. A
      P0AFC-123 is also output. B

    5. Disconnect the intelligent tester from the DLC3.


  3. Click here

    CHECK INSTALLATION OF BATTERY TEMPERATURE SENSOR

    CAUTION:

    Be sure to wear insulated gloves and protective goggles.


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Check that the service plug grip is not installed.

      Note:

      After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.

    3. Remove the battery cover (Click here).

    4. Remove the group of HV battery modules which includes the relevant battery temperature sensor.

      Battery Temperature Sensor HV Battery
      Battery temperature sensor 0 HV battery RH
      Battery temperature sensor 1
      Battery temperature sensor 2 HV battery CTR
      Battery temperature sensor 3
      Battery temperature sensor 4 HV battery LH
      Battery temperature sensor 5
    5. A01NL7EE01

      Visually check the installation condition of the relevant battery temperature sensor.

      Table 2. Text in Illustration
      *1 HV Battery RH *2 HV Battery CTR
      *3 HV Battery LH *4 Module
      *5 Battery Temperature Sensor *6 Insulation Plate
      *7 Claw - -
      Standard Condition
      The battery temperature sensor is installed in the correct location with the correct orientation and its claws are engaged securely.
      Result
      Result Proceed to
      The battery temperature sensor is installed in the correct location with the correct orientation and its claws are engaged securely A
      Claws are damaged. B
      Battery temperature sensor is not installed correctly, but claws are not damaged. C
      Note:

      Do not use a stick or similar object to push on the sensors when inspecting them. Doing so may result in damage to the sensors.

    6. Install the HV battery (Click here).

    7. Install the battery cover.

    8. Connect the cable to the negative (-) battery terminal.


  4. Click here

    CHECK HV BATTERY ASSEMBLY (BATTERY TEMPERATURE SENSOR)

    CAUTION:

    Be sure to wear insulated gloves and protective goggles.


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Check that the service plug grip is not installed.

      Note:

      After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.

    3. Remove the battery cover (Click here).

    4. Remove the battery smart unit.

      Tip:

      Disconnect the z29 and z30 connectors of the battery smart unit.

    5. A01NLFZE01

      Measure the resistance of the circuit for the malfunctioning sensor (battery temperature sensor 0 to 5).

      Table 3. Tester Connection
      Tester Connection Battery Temperature Sensor No.
      z29-7 (TB0) - z29-17 (GB0) 0
      z29-6 (TB1) - z29-16 (GB1) 1
      z29-5 (TB2) - z29-15 (GB2) 2
      z29-4 (TB3) - z29-14 (GB3) 3
      z29-3 (TB4) - z29-13 (GB4) 4
      z29-2 (TB5) - z29-12 (GB5) 5
      Table 4. Standard Resistance
      Thermistor Temperature Switch Condition Specified Condition
      0°C (32°F) Power switch off 27.3 to 28.4 kΩ
      25°C (77°F) Power switch off 9.9 to 10.1 kΩ
      40°C (104°F) Power switch off 5.72 to 5.90 kΩ
      Table 5. Text in Illustration
      *1

      Rear view of wire harness connector

      (to Battery Smart Unit)
    6. A01NIRRE01

      Measure the resistance according to the conditions and value(s) in the tables below.

      Standard Resistance
      Tester Connection Switch Condition Standard Resistance
      z29-7 (TB0) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-7 (TB0) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-17 (GB0) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-17 (GB0) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-6 (TB1) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-6 (TB1) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-16 (GB1) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-16 (GB1) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-5 (TB2) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-5 (TB2) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-15 (GB2) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-15 (GB2) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-4 (TB3) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-4 (TB3) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-14 (GB3) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-14 (GB3) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-3 (TB4) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-3 (TB4) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-13 (GB4) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-13 (GB4) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-2 (TB5) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-2 (TB5) - z30-5 (GND) Power switch off 10 kΩ or more
      z29-12 (GB5) - z30-1 (IGCT) Power switch off 10 kΩ or more
      z29-12 (GB5) - z30-5 (GND) Power switch off 10 kΩ or more
      Table 6. Text in Illustration
      *1

      Rear view of wire harness connector

      (to Battery Smart Unit)

    7. Install the battery smart unit (Click here).

    8. Install the battery cover.

    9. Connect the cable to the negative (-) battery terminal.


  5. Click here

    CHECK HARNESS AND CONNECTOR (BATTERY TEMPERATURE SENSOR)

    CAUTION:

    Be sure to wear insulated gloves and protective goggles.


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Check that the service plug grip is not installed.

      Note:

      After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the repair manual because this may cause a malfunction.

    3. Remove the battery cover (Click here).

    4. Remove the group of HV battery modules which includes the malfunctioning battery temperature sensor.

    5. Turn the group of HV battery modules over. Check the wire harness and connectors of the battery temperature sensor for abnormalities by sight and touch.

      Specified Condition
      There are no open or short circuits in the wire harness and connectors. There are no short circuits to other wire harnesses.

  6. Click here

    REPLACE BATTERY SMART UNITClick here

  7. Click here

    REPLACE HV BATTERY ASSEMBLYClick here

  8. Click here

    GO TO DTC CHART

  9. Click here

    GO TO DTC CHART

  10. Click here

    INSTALL PARTS CORRECTLY

  11. Click here

    REPAIR HARNESS OR CONNECTOR