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AIRBAG SYSTEM(for Type C) SRS Warning Light does not Come ON

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DTC Code DTC Name
  SRS Warning Light does not Come ON
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DESCRIPTION

Refer to "SRS Warning Light Remains ON"

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WIRING DIAGRAM

Refer to "SRS Warning Light Remains ON"

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CAUTION / NOTICE / HINT

Note:

  • After turning the ignition 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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  • When disconnecting the cable from the negative (-) battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected.

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  • After replacing the airbag sensor assembly, refer to initialization*.

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  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

  • When replacing the combination meter assembly, make sure to replace it with a new one.

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PROCEDURE


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    CHECK BATTERY


    1. Measure the battery voltage.

      Standard voltage
      11 to 14 V
      Tip:

      • It may be possible to tell whether the battery is discharged by operating the horn.

      • If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

      Result
      Proceed to
      OK
      NG

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    CHECK CONNECTION OF CONNECTOR


    1. Turn the ignition switch off.

    2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

    3. Check that the connector is properly connected to the combination meter assembly.

      Result
      Proceed to
      The connector is properly connected
      The connector is not properly connected

    • The connector is properly connectedClick here
    • The connector is not properly connected

      CONNECT CONNECTOR PROPERLY

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    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - BATTERY AND BODY GROUND)


    1. B0025S0C26
      *a

      Front view of wire harness connector

      (to Combination Meter Assembly)

      Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

    2. Disconnect the connector from the combination meter assembly.

    3. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.

    4. Turn the ignition switch to ON.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      G9-22 (IG+) - Body ground Ignition switch ON 11 to 14 V
      G9-21 (B) - Body ground Always 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G9-27 (EP) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

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    CHECK SRS WARNING LIGHT (SHORT TO GROUND)


    1. Turn the ignition switch off.

    2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

    3. Connect the connector to the combination meter assembly.

    4. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.

    5. Turn the ignition switch to ON.

    6. Check the SRS warning light condition.

      OK
      After the primary check period, the SRS warning light goes off for approximately 10 seconds and then remains on.
      Tip:

      The primary check period is approximately 6 seconds after the ignition switch is turned to ON.

      Result
      Proceed to
      OK
      NG