Airbag System Problem Symptoms Table

Restraints. Lexus Is250, Is220D. Gse20 Ale20
Supplemental Restraint System. Lexus Is250, Is220D. Gse20 Ale20

Airbag System -- Problem Symptoms Table


HINT:
Proceed to the troubleshooting for each circuit in the table below.

AIRBAG SYSTEM
Symptom
Suspected area
See page
The SRS warning light goes off after the primary check, but then comes on.
SRS Warning Light Remains ON
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With the engine switch on (IG), the SRS warning light sometimes comes on after approximately 6 seconds.
SRS Warning Light Remains ON
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The SRS warning light always comes on even when DTC is not output.
SRS Warning Light Remains ON
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With the engine switch on (IG), the SRS warning light does not come on.
SRS Warning Light does not Come ON
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Manual cut off switch position and passenger airbag ON/OFF indicator status do not match.
Trouble in Passenger airbag ON/OFF Indicator
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Although an SRS warning light operates normally, DTC or a normal system code is not displayed.
Diagnosis Circuit
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Although terminals TC and CG of DLC3 are not connected, DTC or a normal system code is displayed.
Diagnosis Circuit
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