NO.2 AIR BAG SYSTEM WARNING LIGHT ILLUMINATES IMMEDIATELY AFTER IGNITION SWITCH IS TURNED TO ON POSITION AND REMAINS ILLUMINATED
id080300800500
2
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Air bag system warning light illuminates immediately after ignition switch is turned to ON position and remains illuminated.
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TROUBLESHOOTING HINTS
• Malfunction in air bag system warning light circuit
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Diagnostic procedure
STEP |
INSPECTION |
ACTION |
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1
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VERIFY THAT SAS CONTROL MODULE CONNECTOR IS CONNECTED
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait for more than 1 minute.
• Turn up floor covering.
• Are all SAS control module connectors securely connected?
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Yes
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Go to next step.
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No
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Reconnect connector properly, then go to Step 6.
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2
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INSPECT SAS CONTROL MODULE TERMINAL 2T
• Remove clock spring.
• Remove glove compartment.
• Disconnect passenger‐side air bag module connector.
• Disconnect driver and passenger‐side side air bag module connectors. (Vehicles with side air bag)
• Remove B‐pillar lower trims. (Vehicle with pre‐tensioner front buckle)
• Disconnect driver‐ and passenger‐side pre‐tensioner seat belt connectors. (Vehicle with pre‐tensioner front buckle)
• Disconnect all SAS control module connectors.
• Is short bar between SAS control module connector terminal 2T bent?
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Yes
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Replace wiring harness, then go to Step 6.
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No
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Go to next step.
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3
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INSPECT SHORT BAR HOOK OF SAS CONTROL MODULE
• Is short bar hook of SAS control module okay?
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Yes
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Go to next step.
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No
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Replace SAS control module, then go to Step 6.
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* 4
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INSPECT WIRING HARNESS BETWEEN SAS CONTROL MODULE AND INSTRUMENT CLUSTER FOR SHORT TO GROUND
• Remove instrument cluster.
• Insert insulator between SAS control module connector terminal 2T so short bar cannot function.
• Is there continuity between SAS control module connector terminal 2T and ground?
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Yes
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Replace wiring harness, then go to Step 6.
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No
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Go to next step.
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5
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INSPECT FOR SHORT TO GROUND IN INSTRUMENT CLUSTER CIRCUIT
• Is there continuity between terminal 1L (L3), 2K (AJ (3.0L Duratec)) and any of following terminals of print plate on instrument cluster?
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Yes
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Replace instrument cluster, then go to next step.
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No
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Replace SAS control module, then go to next step.
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6
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VERIFY WHETHER MALFUNCTION SYMPTOM OCCURS AFTER REPAIR OR NOT
• Connect all SAS control module connectors.
• Connect driver and passenger-side pre-tensioner front buckle connectors. (Vehicle with pre-tensioner front buckle)
• Disconnect driver and passenger‐side side air bag module connectors. (Vehicle with side air bag)
• Connect passenger‐side air bag module connector.
• Connect clock spring connector.
• Connect instrument cluster connector.
• Connect negative battery cable.
• Turn ignition switch to ON position.
• Does air bag system warning light operate properly?
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Yes
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Complete troubleshooting, then explain repairs to customer.
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No
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Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs.
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