AIRBAG SYSTEM > SRS Warning Light does not Come ON

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DESCRIPTION

The SRS warning light is located on the combination meter assembly.
When the SRS is normal, the SRS warning light comes on for approximately 6 seconds after the ignition switch is turned from the LOCK position to the ON position, and then goes off automatically.
If there is a malfunction in the SRS, the SRS warning light comes on to inform the driver of the abnormality.
When terminals TC and CG of the DLC3 are connected, the DTC is displayed by blinking the SRS warning light.

WIRING DIAGRAM

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INSPECTION PROCEDURE

1.CHECK BATTERY
  1. Measure the voltage of the battery.

    Voltage:
    11 to 14 V



NG
REPLACE BATTERY
OK


2.CHECK COMBINATION METER ASSEMBLY CONNECTOR
  1. Turn the ignition switch to the LOCK position.

  1. Disconnect the connector from the combination meter assembly.

  1. Check that the connector is not damaged.

    OK:
    The connector is not deformed or damaged.



NG
REPAIR OR REPLACE WIRE HARNESS
OK


3.CHECK SOURCE VOLTAGE


    E110175E02
  1. Measure the voltage and resistance according to the value (s) in the table below.

    Voltage and Resistance:
    Tester connection
    Condition
    Specified condition
    C8-8 (IG2) -
    Body ground
    Ignition switch ON
    10 to 14 V
    C9-1 (GND) -
    Body ground
    Always
    Below 1 Ω



NG
REPAIR OR REPLACE WIRE HARNESS (BATTERY - COMBINATION METER ASSEMBLY)
OK


4.PERFORM ACTIVE TEST BY INTELLIGENT TESTER (COMBINATION METER ASSEMBLY)
  1. Using the intelligent tester, operate the active test and check that the SRS warning light turns on and off in accordance with tester operation.

    OK:
    The SRS wrning light turns on and off in accordance with tester operation.



NG
REPLACE COMBINATION METER ASSEMBLY
OK

REPLACE CENTER AIRBAG SENSOR ASSEMBLY