SOLAR CHARGING SYSTEM, Diagnostic DTC:P1EAB11, P1EAB15, P1EB011, P1EB015, P1EB511, P1EB515

DTC Code DTC Name
P1EAB11 Solar Charging Battery Temperature Sensor 1 Circuit Short to Ground
P1EAB15 Solar Charging Battery Temperature Sensor 1 Circuit Short to Auxiliary Battery or Open
P1EB011 Solar Charging Battery Temperature Sensor 2 Circuit Short to Ground
P1EB015 Solar Charging Battery Temperature Sensor 2 Circuit Short to Auxiliary Battery or Open
P1EB511 Solar Charging Battery Temperature Sensor 3 Circuit Short to Ground
P1EB515 Solar Charging Battery Temperature Sensor 3 Circuit Short to Auxiliary Battery or Open

DESCRIPTION

Solar battery temperature sensors are installed to 3 locations on top of the solar battery. The resistance of the thermistor of each sensor changes according to the temperature of the solar battery. The resistance of the thermistor increases as the temperature of the solar battery decreases and decreases as the temperature increases. The solar energy control unit uses the solar battery temperature sensors to detect the temperature of the solar battery and uses it when calculating the SOC of the solar battery.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate
P1EAB11 Solar Charging Battery Temperature Sensor 1 Circuit Short to Ground

The solar charging battery temperature sensor 1 is malfunctioning, its output voltage is lower than the specified value (short circuit) and the detected temperature is higher than the specified value.

(1 trip detection logic)

  • Solar energy control unit

  • Solar battery

  • Wire harness or connector

Solar Charging Warning Light:

Comes on
P1EAB15 Solar Charging Battery Temperature Sensor 1 Circuit Short to Auxiliary Battery or Open

The solar charging battery temperature sensor 1 is malfunctioning, its output voltage is higher than the specified value (short to +B or open) and the detected temperature is lower than the specified value.

(1 trip detection logic)

  • Solar energy control unit

  • Solar battery

  • Wire harness or connector

Solar Charging Warning Light:

Comes on
P1EB011 Solar Charging Battery Temperature Sensor 2 Circuit Short to Ground

The solar charging battery temperature sensor 2 is malfunctioning, its output voltage is lower than the specified value (short circuit) and the detected temperature is higher than the specified value.

(1 trip detection logic)

  • Solar energy control unit

  • Solar battery

  • Wire harness or connector

Solar Charging Warning Light:

Comes on
P1EB015 Solar Charging Battery Temperature Sensor 2 Circuit Short to Auxiliary Battery or Open

The solar charging battery temperature sensor 2 is malfunctioning, its output voltage is higher than the specified value (short to +B or open) and the detected temperature is lower than the specified value.

(1 trip detection logic)

  • Solar energy control unit

  • Solar battery

  • Wire harness or connector

Solar Charging Warning Light:

Comes on
P1EB511 Solar Charging Battery Temperature Sensor 3 Circuit Short to Ground

The solar charging battery temperature sensor 3 is malfunctioning, its output voltage is lower than the specified value (short circuit) and the detected temperature is higher than the specified value.

(1 trip detection logic)

  • Solar energy control unit

  • Solar battery

  • Wire harness or connector

Solar Charging Warning Light:

Comes on
P1EB515 Solar Charging Battery Temperature Sensor 3 Circuit Short to Auxiliary Battery or Open

The solar charging battery temperature sensor 3 is malfunctioning, its output voltage is higher than the specified value (short to +B or open) and the detected temperature is lower than the specified value.

(1 trip detection logic)

  • Solar energy control unit

  • Solar battery

  • Wire harness or connector

Solar Charging Warning Light:

Comes on
Related Data List
DTC No. Data List
P1EAB11

  • Solar Charging Battery Block 1 Temperature

  • Solar Charging Battery Block 2 Temperature

  • Solar Charging Battery Block 3 Temperature

  • Solar Charging Battery Block 1 Temperature Sensor Voltage

  • Solar Charging Battery Block 2 Temperature Sensor Voltage

  • Solar Charging Battery Block 3 Temperature Sensor Voltage
P1EAB15
P1EB011
P1EB015
P1EB511
P1EB515

CONFIRMATION DRIVING PATTERN

Tech Tips

After completing repairs, clear the DTCs and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.

Click here


  1. Park the vehicle in an area where the solar radiation will be steady.

    Weather Clear or mostly clear and sunny
    Time Between 11:00 and 14:00
    Place An area where sunlight strikes the solar roof directly

    Tech Tips


    • Make sure no part of the solar roof is shaded.

    • If the solar roof is dirty, clean it.

  2. Turn the power switch off and then disconnect the cable from the negative (-) auxiliary battery terminal.

  3. Wait for 5 seconds or more, then disconnect the power source connector and then all other low voltage connectors the solar energy control unit.

  4. Wait for 30 seconds or more, then connect the low voltage connectors of the solar energy control unit except the power source connector and then connect the power source connector.

  5. Connect the cable to the negative (-) auxiliary battery terminal.

  6. Turn the power switch on (IG), wait for 5 to 10 seconds, and then turn the power switch off.

    Tech Tips

    Make sure to turn the power switch off within 10 seconds.

  7. Wait for 20 minutes and then check for DTCs to check that no DTCs have been stored.

    Tech Tips


    • While waiting, the HV battery will be charged by the solar charging system. However, depending on certain conditions, charging may not be performed.

    • If the SOC of the HV battery is 90% or more, the HV battery will not be charged by the solar charging system.

    • If any of the following conditions is met, the HV battery will not be charged by the solar charging system:


      • The HV battery is charged via an external power source.

      • The power switch is on (ACC).

      • The power switch is on (IG).

      • The power switch is on (READY).

      • The HV battery heating system is operating.

      • The remote air conditioning system is operating.

WIRING DIAGRAM

B006HH0E02

CAUTION / NOTICE / HINT

CAUTION:


  • B006HUP

    Before performing any of the following operations, take precautions to prevent electric shock by turning the power switch off, wearing insulated gloves, and removing the service plug grip.


    • Inspecting the high-voltage system.

    • Disconnecting the low voltage connector of the inverter with converter assembly.

    • Disconnecting the low voltage connector of the HV battery.

    • Disconnecting the low voltage connector of the electric vehicle charger assembly.

    • Disconnecting the low voltage connector of the solar energy control unit.

  • B006IQP

    To prevent electric shock, make sure to remove the service plug grip to cut off the high voltage circuit before servicing the vehicle.

  • B006HQC

    After removing the service plug grip from the HV battery, put it in your pocket to prevent other technicians from accidentally reconnecting it while you are working on the high-voltage system.

  • B006IVPC02
    *a Without waiting for 10 minutes

    After removing the service plug grip, wait for at least 10 minutes before touching any of the high-voltage connectors or terminals. After waiting for 10 minutes, check the voltage at the terminals in the inspection point in the inverter with converter assembly. The voltage should be 0 V before beginning work.

    Click here

    Tech Tips

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

Note

After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

Click here

PROCEDURE


  1. READ VALUE USING GTS (SOLAR CHARGING BATTERY BLOCK TEMPERATURE)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Solar Charging Control / Data List.

    4. According to the display on the GTS, read the Data List.


      Powertrain > Solar Charging Control > Data List
      Tester Display Measurement Item Range Reference Value Diagnostic Note
      Solar Charging Battery Block 1 Temperature Solar charging battery block 1 temperature -50 to 205.9°C (-58 to 402.6°F) -30 to 60°C (-22 to 140°F)

      • Solar charging battery temperature sensor

      • Solar Energy Control Unit
      Solar Charging Battery Block 2 Temperature Solar charging battery block 2 temperature -50 to 205.9°C (-58 to 402.6°F) -30 to 60°C (-22 to 140°F)

      • Solar charging battery temperature sensor

      • Solar Energy Control Unit
      Solar Charging Battery Block 3 Temperature Solar charging battery block 3 temperature -50 to 205.9°C (-58 to 402.6°F) -30 to 60°C (-22 to 140°F)

      • Solar charging battery temperature sensor

      • Solar Energy Control Unit

      Tech Tips

      A solar charging battery temperature sensor can be determined to be malfunctioning if its value differs significantly from the others.

    5. Turn the power switch off.

      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK CONNECTOR CONNECTION CONDITION (SOLAR ENERGY CONTROL UNIT)

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

    CAUTION:

    Be sure to wear insulated gloves.


    1. 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.

    2. Remove the rear seat cushion assembly LH.

      Click here

    3. B006J45

      Check the connection condition of the solar energy control unit connectors and the contact pressure of each terminal. Check the terminals for deformation, and check each connector for water ingress and foreign matter.

      Click here

      OK
      - Each connector is connected securely.
      - The terminals are not deformed and are connected securely.
      - No water or foreign matter in each connector.
      Result
      Result Proceed to
      OK A
      NG (A connector is not connected securely. ) B
      NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in a connector.) C

    4. Install the rear seat cushion assembly LH.


    B

    CONNECT SECURELY

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

  3. CHECK CONNECTOR CONNECTION CONDITION (SOLAR BATTERY)

    CAUTION:

    Be sure to wear insulated gloves.


    1. 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.

    2. Remove the No. 1 solar battery shield panel.

      Click here

    3. B006HUC

      Check the connection condition of the solar battery connector and the contact pressure of each terminal. Check the terminals for deformation, and check the connector for water ingress and foreign matter.

      Click here

      OK
      - The connector is connected securely.
      - The terminals are not deformed and are connected securely.
      - No water or foreign matter in the connector.
      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

    4. Install the No. 1 solar battery shield panel.


    B

    CONNECT SECURELY

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

  4. CHECK HARNESS AND CONNECTOR (SOLAR ENERGY CONTROL UNIT - SOLAR BATTERY (SOLAR CHARGING BATTERY TEMPERATURE SENSOR))

    CAUTION:

    Be sure to wear insulated gloves.


    1. 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.

    2. Remove the rear seat cushion assembly LH.

      Click here

    3. B006IB2N01

      Disconnect the N73 solar energy control unit connector.

    4. B006IM3N01

      Disconnect the N71 and N72 solar energy control unit connectors.

    5. Remove the No. 1 solar battery shield panel.

      Click here

    6. B006HUCN01

      Disconnect the N70 solar battery connector.

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

      B006ITHC08
      *a

      Rear view of wire harness connector

      (to Solar Energy Control Unit)

      		 *b

      Rear view of wire harness connector

      (to Solar Battery)
      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      N72-9 (TB2) - N70-14 (TB2) Power switch off Below 1 Ω
      N72-21 (GB2) - N70-4 (GB2) Power switch off Below 1 Ω
      N72-7 (TB1) - N70-3 (TB1) Power switch off Below 1 Ω
      N72-19 (GB1) - N70-13 (GB1) Power switch off Below 1 Ω
      N72-5 (TB0) - N70-12 (TB0) Power switch off Below 1 Ω
      N72-17 (GB0) - N70-2 (GB0) Power switch off Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      N72-9 (TB2) or N70-14 (TB2) - Body ground and other terminals Power switch off 10 kΩ or higher
      N72-21 (GB2) or N70-4 (GB2) - Body ground and other terminals Power switch off 10 kΩ or higher
      N72-7 (TB1) or N70-3 (TB1) - Body ground and other terminals Power switch off 10 kΩ or higher
      N72-19 (GB1) or N70-13 (GB1) - Body ground and other terminals Power switch off 10 kΩ or higher
      N72-5 (TB0) or N70-12 (TB0) - Body ground and other terminals Power switch off 10 kΩ or higher
      N72-17 (GB0) or N70-2 (GB0) - Body ground and other terminals Power switch off 10 kΩ or higher

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

    9. Turn the power switch on (IG).

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      N72-5 (TB0) - Body ground Power switch on (IG) Below 1 V
      N72-17 (GB0) - Body ground Power switch on (IG) Below 1 V
      N72-7 (TB1) - Body ground Power switch on (IG) Below 1 V
      N72-19 (GB1) - Body ground Power switch on (IG) Below 1 V
      N72-9 (TB2) - Body ground Power switch on (IG) Below 1 V
      N72-21 (GB2) - Body ground Power switch on (IG) Below 1 V

      Note


      • Turning the power switch on (IG) with the service plug grip removed causes other DTCs to be stored. Clear the DTCs after performing this inspection.

      • If the power switch is turned on (IG) with the connectors disconnected, other DTCs will be stored. Be sure to clear the DTCs after the inspection.

    11. Turn the power switch off.

    12. Disconnect the cable from the negative (-) auxiliary battery terminal.

    13. Reconnect the N70 solar battery connector.

    14. Install the No. 1 solar battery shield panel.

    15. Reconnect the N71 and N72 solar energy control unit connectors.

    16. Reconnect the N73 solar energy control unit connector.

    17. Install the rear seat cushion assembly LH.

      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK SOLAR BATTERY (SOLAR CHARGING BATTERY TEMPERATURE SENSOR 1 to 3)

    CAUTION:

    Be sure to wear insulated gloves.


    1. 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.

    2. Remove the rear seat cushion assembly LH.

      Click here

    3. B006IB2N01

      Disconnect the N73 solar energy control unit connector.

    4. B006IM3N01

      Disconnect the N71 and N72 solar energy control unit connectors.

    5. Measure the resistance of the circuit for the malfunctioning sensor (solar charging battery temperature sensor 1 to 3).

      B006IACC02
      *a

      Rear view of wire harness connector

      (to Solar Energy Control Unit)

      		 - -
      Tester Connection
      Tester Connection Solar Charging Battery Temperature Sensor
      N72-5 (TB0) - N72-17 (GB0) 1
      N72-7 (TB1) - N72-19 (GB1) 2
      N72-9 (TB2) - N72-21 (GB2) 3
      Standard Resistance
      Thermistor Temperature Condition Specified Condition
      0°C (32°F) Power switch off 24.55 to 30.01 kΩ
      25°C (77°F) Power switch off 9.00 to 11.00 kΩ
      40°C (104°F) Power switch off 5.24 to 6.41 kΩ

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N72-5 (TB0) - Body ground and other terminals (except N72-17 (GB0)) Power switch off 10 kΩ or higher
      N72-17 (GB0) - Body ground and other terminals (except N72-5 (TB0)) Power switch off 10 kΩ or higher
      N72-7 (TB1) - Body ground and other terminals (except N72-19 (GB1)) Power switch off 10 kΩ or higher
      N72-19 (GB1) - Body ground and other terminals (except N72-7 (TB1)) Power switch off 10 kΩ or higher
      N72-9 (TB2) - Body ground and other terminals (except N72-21 (GB2)) Power switch off 10 kΩ or higher
      N72-21 (GB2) - Body ground and other terminals (except N72-9 (TB2)) Power switch off 10 kΩ or higher

    7. Connect the cable to the negative (-) auxiliary battery terminal.

    8. Turn the power switch on (IG).

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      N72-5 (TB0) - Body ground Power switch on (IG) Below 1 V
      N72-17 (GB0) - Body ground Power switch on (IG) Below 1 V
      N72-7 (TB1) - Body ground Power switch on (IG) Below 1 V
      N72-19 (GB1) - Body ground Power switch on (IG) Below 1 V
      N72-9 (TB2) - Body ground Power switch on (IG) Below 1 V
      N72-21 (GB2) - Body ground Power switch on (IG) Below 1 V

      Note


      • Turning the power switch on (IG) with the service plug grip removed causes other DTCs to be stored. Clear the DTCs after performing this inspection.

      • If the power switch is turned on (IG) with the connectors disconnected, other DTCs will be stored. Be sure to clear the DTCs after the inspection.

    10. Turn the power switch off.

    11. Disconnect the cable from the negative (-) auxiliary battery terminal.

    12. Reconnect the N71 and N72 solar energy control unit connectors.

    13. Reconnect the N73 solar energy control unit connector.

    14. Install the rear seat cushion assembly LH.

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE SOLAR ENERGY CONTROL UNIT Click here

    NG

    REPLACE SOLAR BATTERY Click here