B1177

B1177 - B1180 SEAT BELT BUCKLE PRE-TENSIONER RH





Description

DTC B1177 - B1180 SEAT BELT BUCKLE PRE-TENSIONER RH
The seat belt buckle pretensioner RH 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 seat belt buckle pretensioner RH.

PART LOCATION
Locations.

DTC Logic

DTC DETECTION LOGIC

With CONSULT-III






Without CONSULT-III






DTC CONFIRMATION PROCEDURE (With CONSULT-III)
1.INSPECTION START
Turn ignition switch ON.
- GO TO 2.
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-III.
Is the DTC detected?
YES - B1177.
NO - Inspection End.

DTC CONFIRMATION PROCEDURE (Without CONSULT-III)

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. Trouble Diagnosis Without CONSULT-III.
- 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.FRONT RH SEAT BELT BUCKLE PRE-TENSIONER
Replace the front RH seat belt buckle pretensioner. Service and Repair.
- GO TO 4
4.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Service and Repair.
- GO TO 5
5.RELATED HARNESS
Replace the related harness.
- END