Diagnostic procedure
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STEP
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INSPECTION
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ACTION
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1
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• Is vehicle equipped with passenger-side air bag cut-off function?
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Yes
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[Present malfunction diagnosis]
Go to next step.
[Past malfunction diagnosis]
Go to Step 4.
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No
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[Present malfunction diagnosis]
Replace SAS unit.
[Past malfunction diagnosis]
Troubleshooting completed.
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2
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INSPECT OPERATION OF PASSENGER-SIDE AIR BAG CUT-OFF INDICATOR LIGHT
• Turn ignition switch to LOCK position and wait for more than 1 minute.
• Turn ignition switch to ON position.
• Does passenger-side air bag cut-off indicator light illuminate?
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Yes
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Go to next step.
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No
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Go to Step 6.
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3
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INSPECT OPERATION OF PASSENGER-SIDE AIR BAG CUT-OFF INDICATOR LIGHT
• Without child restraint seat on passenger's seat, does passenger-side air bag cut-off indicator light go off after approximately 6 seconds?
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Yes
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Replace SAS unit.
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No
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Go to next step.
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4
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INSPECT WIRING HARNESS BETWEEN INSTRUMENT CLUSTER ANS SAS UNIT
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait for more than 1 minute.
• Remove clock spring.
• Remove glove compartment.
• Disconnect passenger-side air bag module connector.
• Disconnect driver and passenger-side side air bag module connectors. (Vehicle with side air bag)
• Remove B-pillar lower trim. (Vehicle with pre-tensioner seat belt)
• Disconnect drive- and passenger-side pre-tensioner seat belt connectors. (Vehicle with pre-tensioner seat belt)
• Turn up floor covering.
• Disconnect all SAS unit connectors.
• Connect negative battery cable.
• Turn ignition switch to ON position.
• Measure voltage at 3G of SAS unit connector.
• Is voltage more than 9V?
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Yes
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[Present malfunction diagnosis]
Replace SAS unit.
[Past malfunction diagnosis]
Go to next step.
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No
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Go to next step.
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5
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INSPECT WIRING HARNESS BETWEEN INSTRUMENT CLUSTER AND SAS UNIT
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable.
• Remove instrument cluster.
• Inspect wiring harness between terminal 2F of instrument cluster connector and terminal 3G of SAS unit connector for following.
• Is wiring harness okay?
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Yes
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[Present malfunction diagnosis]
Replace instrument cluster.
[Past malfunction diagnosis]
Go to next step.
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No
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Replace wiring harness.
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6
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INSPECT PASENGER-SIDE AIR BAG CUT-OFF INDICATOR LIGHT BULB
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait for more than 1 minutes.
• Remove instrument cluster.
• Is passenger-side air bag cut-off indicator light bulb okay?
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Yes
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Reinstall passenger-side air bag cut-off indicator light bulb, then go to next step.
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No
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Replace passenger-side air bag cut-off indicator light bulb.
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7
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INSPECT INSTRUMENT CLUSTER
• Is there continuity between terminals 1J and 2F of instrument cluster?
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Yes
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Go to next step.
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No
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Replace instrument cluster.
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8
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INSPECT FOR CONTINUITY BETWEEN METER 10A FUSE AND INSTRUMENT CLUSTER
• Connect negative battery cable.
• Turn ignition switch to ON position.
• Measure voltage at terminal 1J of instrument cluster connector.
• Is voltage more than 9V?
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Yes
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Go to next step.
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No
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Replace wiring harness.
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9
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INSPECT WIRING HARNESS BETWEEN INSTRUMENT CLUSTER AND SAS UNIT
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait for more than 1 minute.
• Remove clock spring.
• Remove glove compartment.
• Disconnect passenger-side air bag module connector.
• Disconnect driver and passenger-side side air bag module connectors. (Vehicle with side air bag)
• Remove B-pillar lower trims. (Vehicle with pre-tensioner seat belt)
• Disconnect driver and passenger-side pre-tensioner seat belt connectors. (Vehicle with pre-tensioner seat belt)
• Remove left side side wall.
• Disconnect all SAS unit connectors.
• Inspect wiring harness between terminal 2F of instrument cluster and terminal 3G of SAS unit connector for following.
• Is wiring harness okay?
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Yes
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[Present malfunction diagnosis]
Replace SAS unit.
[Part malfunction diagnosis]
Troubleshooting completed.
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No
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Replace wiring harness.
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