DTC B1868


id080200815000

DTC B1868

Air bag warning system light malfunction

DETECTION CONDITION
Warning
•  Detection conditions are for understanding the DTC outline before performing an inspection. Performing an inspection with only detection conditions may cause injury due to an operating error, or damage the system. When performing an inspection, always follow the inspection procedure.
•  Air bag warning system light malfunction.


Diagnostic Procedure

STEP

INSPECTION

ACTION

1
VERIFY THAT SAS CONTROL MODULE CONNECTOR IS CONNECTED
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 bag 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.
•  Are all SAS control module connectors securely connected?
Yes
Go to the next step.
No
Reconnect the connector properly, then go to the next step.
2
INSPECT DTCS IN SAS CONTROL MODULE
•  Inspect the DTC for the SAS control module on-board diagnostic system.
•  Has DTC U0155, U0073 been recorded in memory?
Yes
Perform the applicable DTC inspection.
(See DTC TABLE.)
No
Go to the next step.
3
INSPECT INSTRUMENT CLUSTER
•  Inspect the instrument cluster warning lights using check code.
•  Are the check results okay?
Yes
Replace the SAS control module.
No
Repair or replace the instrument cluster according to inspection results.