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Charging Indicator System

WARNING: This page is about a different variant/trim than selected.
CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to PLUG-IN BATTERY CHARGER (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .
NOTE: Charging indicator status
Charging indicator Vehicle status
Condition ON time OFF time
Light ON Always - Charging in progress, ready for charging (charging connector connected - vehicle status confirmed), battery temperature control in progress
Blinking 1 200 ms 200 ms A charging-related error has occurred.
Blinking 2 1000 ms 1000 ms Indicates that vehicle is ready for forced charging operation.

Wiring diagram: 

Charging system Ref. to WIRING SYSTEM (CROSSTREK MODEL (HEV))>CHARGING SYSTEM>WIRING DIAGRAM .

G13238699Courtesy of SUBARU OF AMERICA, INC.
  1. CHECK DTC  .

    Using the Subaru Select Monitor, read all DTCs. Ref. to COMMON (DIAG)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Are any DTCs displayed?

    Yes  : Perform the diagnosis for the displayed DTCs.

    No  : Go to  2.

  2. CHECK DATA MONITOR  .
    1. Using the Subaru Select Monitor, display the following items in the [Work Support] of [Plug-in Battery Charger]. Ref. to PLUG-IN BATTERY CHARGER (DIAGNOSTICS)>WORK SUPPORT .
      • Vehicle Ctl. Hist.
    2. Using the Subaru Select Monitor, display the following items in the [Work Support] of [P-HEV Hybrid Powertrain Control]. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>WORK SUPPORT .
      • Vehicle Ctl. Hist.
    3. Check whether a vehicle control history is displayed.

    Is the vehicle control history displayed?

    Yes  : Go to the vehicle control history.

    No  : Go to  3.

  3. CHECK DATA MONITOR  .
    1. Using the Subaru Select Monitor, display the following items in the [Data Monitor] of [Plug-in Battery Charger]. Ref. to PLUG-IN BATTERY CHARGER (DIAGNOSTICS)>DATA MONITOR .
      • Charging Indicator lighting Request
    2. Connect the Electric vehicle charger cable assembly and perform plug-in charging.
    3. Read the following items using Subaru Select Monitor. Ref. to PLUG-IN BATTERY CHARGER (DIAGNOSTICS)>DATA MONITOR .
      Item name Item explanation Display range Standard
      Charging Indicator lighting Request Indicates the charging indicator output command. ON/OFF ON: Light on
      OFF: Light off
    4. Remove the Electric vehicle charger cable assembly.
    5. Turn the ignition to OFF.

    Does the charging indicator status match the Data Monitor display?

    Yes  : Check the list of Diagnostics with Phenomenon. Ref. to PLUG-IN BATTERY CHARGER (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON .

    No  : Go to  4.

  4. CHECK THE Charging indicator UNIT  .
    1. Remove the Charging indicator (Charging indicator).
    2. Check illumination status of Charging indicator.

      Connector & terminal 

      (AD91) No. 1 - (AD91) No. 4:

    Is the Charging indicator as shown below?

    When Battery (12V) positive is connected to PIL terminal and Battery (12V) negative is connected to GND terminal: ON

    When Battery (12V) positive is not connected to PIL terminal and Battery (12V) negative is not connected to GND terminal: OFF

    Yes  : Go to  5.

    No  : Replace Charging indicator. Ref. to HYBRID ELECTRIC VEHICLE>CHARGE INLET .

  5. CHECK Wire harness AND CONNECTOR (Electric vehicle charger assembly - Charging indicator (Charging indicator))  .
    CAUTION: Make sure to wear insulated gloves and protective goggles during the work.
    1. Install the Charging indicator (Charging indicator).
    2. Check that the Service plug is disconnected. Ref. to HYBRID ELECTRIC VEHICLE>SERVICE PLUG .
    3. Disconnect Electric vehicle charger assembly connector (HV31).
    4. Disconnect Charging indicator (Charging indicator) connector (AD91).
    5. Using a tester, measure the resistance between Electric vehicle charger assembly connector and Charging indicator (Charging indicator) connector.

      Connector & terminal 

      (HV31) No. 11 - (AD91) No. 1:

    Is the resistance less than 1 Ω?

    Yes  : Go to  6.

    No  : Repair or replace the Wire harness between Electric vehicle charger assembly connector and Charging indicator (Charging indicator) connector.

  6. CHECK Wire harness AND CONNECTOR (Electric vehicle charger assembly - Charging indicator (Charging indicator))  .
    CAUTION: Make sure to wear insulated gloves and protective goggles during the work.

    Using a tester, measure the resistance between terminals in Electric vehicle charger assembly connector, and between Electric vehicle charger assembly connector and chassis ground.

    Connector & terminal 

    (HV31) No. 11 - (HV31) No. 40:

    (HV31) No. 11 - Chassis ground:

    Is the resistance 10 kΩ or more?

    Yes  : The circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

    NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.

    No  : Repair or replace the Wire harness between Electric vehicle charger assembly connector and Charging indicator (Charging indicator) connector.

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