AIRBAG SYSTEM(w/ Occupant Classification System) SRS Warning Light does not Come ON

DTC Code DTC Name
SRS Warning Light does not Come ON

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 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.

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  • When disconnecting the cable from the negative (-) auxiliary 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.

PROCEDURE

  1. CHECK AUXILIARY BATTERY

    1. Measure the voltage of the auxiliary battery.

      Standard voltage

      11 to 14 V

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE OR RECHARGE AUXILIARY BATTERY

    OK

  2. CHECK CONNECTION OF CONNECTORS

    1. Turn the power switch off.

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

    3. Check that the connectors are properly connected to the combination meter assembly.

    Result

    Proceed to

    The connectors are properly connected

    The connectors are not properly connected
    The connectors are not properly connected

    CONNECT CONNECTORS PROPERLY

    The connectors are properly connected

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

    1. Turn the power switch off.

    2. C253599C03

      *a

      Front view of wire harness connector

      (to Combination Meter Assembly)

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

    3. Disconnect the G16 connector from the combination meter assembly.

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

    5. Turn the power switch to on (IG).

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      G16-39 (IG+) - Body ground

      Power switch on (IG)

      11 to 14 V

      G16-40 (B) - Body ground

      Always

      11 to 14 V

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G16-21 (ET) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK SRS WARNING LIGHT (SHORT TO GROUND)

    1. Turn the power switch off.

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

    5. Turn the power switch to on (IG).

    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 power switch is turned on (IG).

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE AIRBAG SENSOR ASSEMBLY

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    NG

    GO TO METER / GAUGE SYSTEM

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