AIRBAG SYSTEM SRS Warning Light does not Come ON

DESCRIPTION

Refer to "SRS Warning Light Remains ON" Click here.

WIRING DIAGRAM

Refer to "SRS Warning Light Remains ON" Click here.

INSPECTION PROCEDURE

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.

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

  • 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

    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.

      OK
      The connectors are properly connected.

    NG

    CONNECT CONNECTORS PROPERLY

    OK

  3. CHECK HARNESS AND CONNECTOR (SOURCE VOLTAGE OF COMBINATION METER ASSEMBLY)


    1. A01FTUFE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Combination Meter Assembly)

      Turn the power switch off.

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

    3. Disconnect the N40 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 on (IG).

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      N40-21 (IG+) - N40-30 (ES) Power switch on (IG) 11 to 14 V
      N40-22 (B) - N40-30 (ES) Always 11 to 14 V

    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 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.

      Tech Tips

      The primary check period is approximately 6 seconds after the power switch is turned to on (IG).


    NG

    GO TO METER / GAUGE SYSTEM Click here

    OK

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here