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B1119




B1118 - B1120 Satellite Sensor LH

Description

DTC B1118 - B1120 Satellite Sensor LH

The satellite sensor LH is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor the satellite sensor LH for internal failures and it's circuits for communication errors.

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. LH SIDE AIR BAG SATELLITE SENSOR

Replace the LH side air bag satellite sensor. Refer to [Side Air Bag (Satellite) Sensor: Removal and Installation] Side Air Bag (Satellite) Sensor.


GO TO 4

4. 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 5

5. RELATED HARNESS

Replace the related harness.


END