SRS Warning Light does not Come ON
Circuit diagnosis
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
Click here.INSPECTION PROCEDURE
| 1. CHECK BATTERY |
Measure the voltage of the battery.
- Voltage:
- 11 to 14 V
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| OK | |
| 2. CHECK COMBINATION METER ASSEMBLY CONNECTOR |
Turn the ignition switch to the LOCK position.
Disconnect the connector from the combination meter assembly.
Check that the connector is not damaged.
- OK:
- The connector is not deformed or damaged.
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| OK | |
| 3. CHECK SOURCE VOLTAGE |
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
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| OK | |
| 4. PERFORM ACTIVE TEST BY INTELLIGENT TESTER (COMBINATION METER ASSEMBLY) |
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.
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| OK | ||
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