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


  • When disconnecting the cable from the negative (-) 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 BATTERY


    1. Measure the voltage of the battery.

      Standard voltage
      11 to 14 V

      Tech Tips


      • 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.


    NG

    REPLACE OR RECHARGE BATTERY

    OK

  2. CHECK CONNECTORS


    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 connectors are properly connected to the combination meter.

      OK
      The connectors are properly connected.

    NG

    CONNECT CONNECTORS PROPERLY

    OK

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


    1. A003ARTE23
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Combination Meter Assembly)

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

    2. Turn the ignition switch to ON.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H20-2 (IG1) - H20-21 (E1) Ignition switch ON 11 to 14 V
      H20-1 (L) - H20-21 (E1) Always 11 to 14 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H20-21 (E1) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. 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.

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

    5. Turn the ignition switch ON.

    6. Check the SRS warning light condition.

      Note

      Make sure that nobody is in the vehicle.

      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 ignition switch is turned to ON.


    NG

    GO TO METER / GAUGE SYSTEM Click here

    OK

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here