NO.1 AIR BAG SYSTEM WARNING LIGHT DOES NOT ILLUMINATE


id080300800200

1
Air bag system warning light does not illuminate.
DETECTION CONDITION
Malfunction in air bag system warning light circuit (short to ground)
POSSIBLE CAUSE
•  SAS control module malfunction
•  Instrument cluster (circuit board) malfunction
•  Short to ground circuit in wiring harness between instrument cluster and SAS control module


Diagnostic Procedure

STEP

INSPECTION

ACTION

1
INSPECT OTHER WARNING AND INDICATOR LIGHTS CIRCUIT IN INSTRUMENT CLUSTER
•  Turn the ignition switch to the ON position.
•  Do other warning and indicator lights illuminate?
Yes
Turn the ignition switch to the LOCK position, then go to the next step.
No
Inspect the instrument cluster power supply system and ground system, then go to Step 4.
2
INSPECT DTCS IN SAS CONTROL MODULE
•  Inspect the DTC for the SAS control module on-board diagnostic system.
•  Have DTCs been recorded in memory?
Yes
Perform the applicable DTC inspection, then go to Step 5. (See DTC TABLE.)
No
Go to the next step.
3
INSPECT SAS CONTROL MODULE
Warning
•  Handling the air bag system components improperly can accidentally deploy the air bag modules and pre-tensioner seat belts, which may seriously injure you. Read the air baga system service warnings and cautions before handling the air bag system components.
•  Turn the ignition switch to LOCK position.
•  Disconnect the negative battery cable and wait for 1 min or more.
•  Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION.)
•  Disconnect the clock spring connector.
•  Remove the glove compartment. (See GLOVE COMPARTMENT REMOVAL/INSTALLATION.)
•  Disconnect the passenger‐side air bag module connector.
•  Disconnect the driver and passenger‐side front seat connectors.
•  Remove the C-pillar trim. (See C-PILLAR TRIM REMOVAL/INSTALLATION.)
•  Remove the D-pillar trim. (See D-PILLAR TRIM REMOVAL/INSTALLATION.)
•  Disconnect the driver and passenger‐side curtain air bag module connectors.
•  Remove the B-pillar lower trim. (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.)
•  Disconnect the driver‐ and passenger‐side pre‐tensioner seat belt connectors.
•  Connect the negative battery cable.
•  Turn the ignition switch to ON position.
•  Does the air bag system warning light illuminate?
Yes
Replace the SAS control module, then go to Step 5.
No
Go to the next step.
4
INSPECT DTCS IN INSTRUMENT CLUSTER
•  Inspect the DTC for the instrument cluster on-board diagnostic system.
•  Have DTCs been recorded in memory?
Yes
Perform the applicable DTC inspection, then go to the next step.
No
Inspect the instrument cluster warning lights using check code, then go to the next step.
5
CONFIRM THAT MALFUNCTION SYMPTOMS DO NOT RECUR AFTER REPAIR
•  Turn the ignition switch to LOCK position.
•  Disconnect the negative battery cable and wait for 1 min or more.
•  Connect all SAS control module connectors.
•  Connect the driver and passenger-side
pre-tensioner seat belt connectors.
•  Connect the driver and passenger‐side curtain air bag module connectors.
•  Connect the driver and passenger‐side front seat connectors.
•  Connect the passenger‐side air bag module connector.
•  Connect the clock spring connector.
•  Connect the negative battery cable.
•  Turn the ignition switch to ON position.
•  Does the air bag system warning light operate properly?
Yes
Complete troubleshooting, then explain repairs to customer.
No
Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs.