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CHARGING SYSTEM ON-VEHICLE INSPECTION

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CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced when inspecting auxiliary battery are shown below.

Table 1. Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Auxiliary battery terminal is disconnected/reconnected Memorize steering angle neutral point LKA/LDA system (for Mono camera type)

for Stereo Camera type:

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forMono Camera type:

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Lane control system (for Stereo camera type)
Parking support brake system*
Pre-collision system (for Mono camera type)
Pre-collision system (for Stereo camera type)
Adaptive high beam system

  • Lighting system (EXT)

  • Cornering lights
Variable gear ratio steering system

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Parking assist monitor system

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Panoramic view monitor system

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Initialize Rear Door Sunshade System Rear door sunshade system

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Initialize power trunk lid system Power trunk lid system

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*: When performing learning using the GTS. Click hereClick here
Note:

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

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PROCEDURE


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    CHECK AUXILIARY BATTERY


    1. Check that the auxiliary battery cables are connected to the correct terminals.

      If they are not, connect them properly.

    2. Check the auxiliary battery for damage and deformation. If severe damage, deformation or leakage is found, replace the auxiliary battery.

    3. Check the electrolyte level in each cell.


      • If the electrolyte level is below the lower line, replace the auxiliary battery.

      • If the electrolyte level is below the lower line, add distilled water to each cell. Then, recharge the battery and check the electrolyte specific gravity.

        Standard Specific Gravity
        1.25 or higher at 20°C (68°F)
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    CHECK AUXILIARY BATTERY VOLTAGE


    1. Turn the power switch off and turn on the high beam headlights for 30 seconds. This will remove the surface charge from the auxiliary battery.

    2. Measure the auxiliary battery voltage according to the value(s) in the table below.

      Result
      Tester Connection Condition Specified Condition Result
      Positive (+) auxiliary battery terminal - Negative (-) auxiliary battery terminal 20°C (68°F), Power switch off 12.0 V or higher Auxiliary battery is OK
      12.0 V or less Recharge auxiliary battery
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    RECHARGE AUXILIARY BATTERY


    1. Recharge the auxiliary battery.

      Tip:

      • Recharge the auxiliary battery according to the charger's instructions.

      • Apply the appropriate charging current according to the type of auxiliary battery shown in the table below.

      Charge Method Charging Current
      Normal Below 5 A
      Quick Below 15 A

    2. Turn the power switch off and turn on the high beam headlights for 30 seconds. This will remove the surface charge from the auxiliary battery.

    3. Measure the auxiliary battery voltage according to the value(s) in the table below.

      Result
      Tester Connection Condition Specified Condition Result
      Positive (+) auxiliary battery terminal - Negative (-) auxiliary battery terminal 20°C (68°F), Power switch off 12.0 V or higher Auxiliary battery is OK
      12.0 V or less Recharge auxiliary battery
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    CHECK AUXILIARY BATTERY TERMINAL, FUSIBLE LINK AND FUSE


    1. Check that the auxiliary battery terminals are not loose or corroded.

      Positive (+) Auxiliary Battery Terminal
      5.4 N*m 55 kgf*cm 48 in.*lbf
      Negative (-) Auxiliary Battery Terminal
      6.4 N*m 65 kgf*cm 57 in.*lbf

      If a terminal is loose or corroded, tighten or clean the terminal.

    2. Measure the resistance of each fusible link and fuse for the auxiliary battery charging system.

      Standard Resistance
      Below 1 Ω

      If the result is not as specified, replace the fusible link or fuse as necessary.

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    CHECK AMD TERMINAL

    CAUTION:

    • B004YIH

      Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.

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    • B004STG

      To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.


    1. Remove the service plug grip.

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    2. Check that the AMD terminal is connected securely, and there is no contact problem.

      If there are any arc marks, replace the affected parts.

    3. for LHD:


      1. B004X8LC01
        *a No. 2 Engine Room Relay Block and No. 2 Junction Block Assembly Side

        Check that the nut for the AMD terminal is tightened to the specified torque.

        No. 2 Engine Room Relay Block and No. 2 Junction Block Assembly Side
        10 N*m 102 kgf*cm 7 ft.*lbf

        If there are no arc marks and the AMD terminal connection is faulty, connect the AMD terminal securely.

    4. for RHD:


      1. B004VC6C02
        *a No. 2 Engine Room Relay Block and No. 2 Junction Block Assembly Side

        Check that the nut for the AMD terminal is tightened to the specified torque.

        No. 2 Engine Room Relay Block and No. 2 Junction Block Assembly Side
        10 N*m 102 kgf*cm 7 ft.*lbf

        If there are no arc marks and the AMD terminal connection is faulty, connect the AMD terminal securely.

    5. Install the service plug grip.

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    CHECK DC/DC CONVERTER FUNCTION


    1. B004WT4C13
      *a Probe Direction
      *b Current Flowing into Auxiliary Battery

      Connect the AC/DC 400 A probe to the positive (+) auxiliary battery cable.

    2. Turn the power switch on (READY) and leave the vehicle as is until the electric current flowing to the auxiliary battery becomes 10 A or less.

    3. Turn on the high beam headlights, and turn the blower motor switch to the HI position and the rear window defogger on.

    4. B004XVVC01
      *a Probe Direction
      *b Current Flowing from Auxiliary Battery

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

      Result
      Item Tester Connection Condition Specified Condition
      Current flowing from auxiliary battery Positive (+) auxiliary battery cable

      Power switch on (READY)

      (The high beam headlights are on, the blower motor switch is in the HI position, and the rear window defogger is turned on.)

      0 A or less

      (No current from auxiliary battery)
      Auxiliary battery voltage Positive (+) auxiliary battery terminal - Negative (-) auxiliary battery terminal 12.5 to 15 V

      If the result is not as specified, replace the inverter with converter assembly.