AIRBAG SYSTEM SRS Warning Light does not Come ON

DESCRIPTION

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

WIRING DIAGRAM

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

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK BATTERY


    1. Measure the voltage of the battery.

      Voltage
      11 to 14 V

    NG
    OK
  2. CHECK CONNECTORS


    1. Turn the ignition switch to the LOCK position.

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

    3. Check that the connectors are properly connected to the center airbag sensor assembly and the combination meter.

      OK
      The connectors are connected.

    NG
    OK
  3. CHECK WIRE HARNESS (SOURCE VOLTAGE OF COMBINATION METER)


    1. A003H81E04

      Disconnect the connector from the combination meter.

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

    3. Turn the ignition switch to the ON position.

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

      Voltage
      Tester connection Condition Specified condition
      H20-5 (B) - Body ground Ignition switch ON 10 to 14 V
      H20-6 (IG+) - Body ground Always 10 to 14 V
    5. Turn the ignition switch to the LOCK position.

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

      Resistance
      Tester connection Condition Specified condition
      H20-7 (E1) - Body ground Always Below 1 Ω

    NG
    OK
  4. CHECK SRS WARNING LIGHT


    1. Turn the ignition switch to the LOCK position.

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

    3. Connect the connector to the combination meter.

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

    5. Turn the ignition switch to the ON position.

    6. Check the SRS warning light condition.

      OK
      The SRS warning light does not come on.

    NG
    OK