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Section 2 Troubleshooting
I. LIST OF TROUBLES
1. SRS warning light OFF
DIAGNOSTIC PROCEDURES
When performing the first diagnostic check, it is advised to shake slightly the harness and connector to see if
there is any discontinuous poor contact in circuit. If there is such a problem, make sure that the connections
of the connector, terminals and wire harness are correct and undamaged. Otherwise, follow these procedures:
(1) Check other wire harnesses and instrument cluster indicator lights
1 Turn the ignition switch ON.
2 Any other light on?
Yes: turn the ignition switch to LOCK, and continue with the next step.
No: check the power supply and ground system (fuse) of the instrument cluster, and continue with step 5.
(2) Check light bulb
CAUTION:
Mishandling of SRS components may release unexpectedly airbag and seat belt pretensioner, probably lead-
ing to a serious accident. Read the service cautions before handling a SRS component.
1 Turn the ignition switch to LOCK.
2 Disconnect the negative (-) terminal cable from the battery and wait for at least 60s.
3 Remove the instrument cluster.
4 Measure and see if the two pins of the SRS warning light is triggered.
Yes: continue with next step.
No: replace the bulb of the warning light.
Trouble Checking Status Possible Cause
·Loss of voltage (fuse circuit break)
·Instrument cluster trouble
·Trouble of wire harness between instrument
cluster and ECU
SRS warning light OFF SRS warning circuit trouble
1 SRS warning light is OFF SRS warning circuit trouble.
No. Troubleshooting Items Description
2 SRS warning light remains on SRS warning circuit trouble or external trouble.
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