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 engine 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 Click here.

  • 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.

PROCEDURE


  1. CHECK BATTERY


    1. Turn the engine switch off.

    2. Measure the voltage of the battery.

      Standard voltage
      11 to 14 V

    NG
    OK
  2. CHECK CONNECTOR


    1. Turn the engine switch off.

    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 No. 1 meter ECU sub-assembly.

      OK
      The connectors are properly connected.

    NG
    OK
  3. CHECK HARNESS AND CONNECTOR (NO. 1 METER ECU SUB-ASSEMBLY - BATTERY AND BODY GROUND)

    A01GNFHE13

    1. Turn the engine switch off.

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

    3. Disconnect the L10 connector from the No. 1 meter ECU sub-assembly.

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

    5. Turn the engine switch on (IG).

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

      Standard voltage
      Tester Connection Switch Condition Specified Condition
      L10-14 (IG2) - L10-17 (E2) Engine switch on (IG) 11 to 14 V
    7. Turn the engine switch off.

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      L10-17 (E2) - Body ground Always Below 1 Ω

    NG
    OK
  4. CHECK SRS WARNING LIGHT


    1. Turn the engine switch off.

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

    3. Connect the connector to the No. 1 meter ECU sub-assembly.

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

    5. Turn the engine switch on (IG).

    6. Check the SRS warning light condition.

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

      Tech Tips

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


    NG
    OK