B1146
B1145 - B1148 Side Curtain Air Bag Module RH
Description
DTC B1145 - B1148 RH Side Curtain Air Bag Module
The RH side curtain air bag module is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the RH side curtain air bag module.
Part Location
Refer to [SRS Component Parts Location] Locations.
DTC Logic
DTC Detection Logic
With SDT
Without SDT
DTC Confirmation Procedure (With SDT)
1. INSPECTION START
Turn ignition switch ON.
GO TO 2.
2. PERFORM DTC CHECK
Check for the DTC on SDT.
Is the DTC detected?
YES
Refer to "Diagnosis Procedure (Component Diagnosis)".
NO
Inspection End.
DTC Confirmation Procedure (Without SDT)
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1. IGNITION SWITCH
Turn ignition switch ON.
GO TO 2
2. IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
GO TO 3
3. WAIT TIME
Wait more than 3 seconds.
GO TO 4
4. REPEAT STEPS
Repeat steps 1 to 3 twice.
GO TO 5
5. IGNITION SWITCH
Turn ignition switch ON.
GO TO 6
6. DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to [Trouble Diagnosis without SDT] Reading and Clearing Diagnostic Trouble Codes.
END
Diagnosis Procedure (Component Diagnosis)
Recheck SRS after each replacement.
1. HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES
Replace the harness.
NO
GO TO 2
2. WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES
Replace the harness.
NO
GO TO 3
3. AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to [Diagnosis Sensor Unit: Removal and Installation] Service and Repair.
GO TO 4
4. RH SIDE CURTAIN AIR BAG MODULE
Replace the RH side curtain air bag module. Refer to [Side Curtain Air Bag Module: Removal and Installation] Side Curtain Air Bag Module.
GO TO 5
5. RELATED HARNESS
Replace the related harness.
END