B1345

Description


DTC B1343 - B1349 FRONT DOOR SATELLITE SENSOR LH

The door satellite sensor LH (coupe) or front door satellite sensor LH (sedan) is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor the door satellite sensor LH (coupe) or front door satellite sensor LH (sedan) for internal failures and it's circuits for communication errors.

PART LOCATION

Locations.


DTC Logic


DTC DETECTION LOGIC

With CONSULT





SRC





Without CONSULT

DTC CONFIRMATION PROCEDURE (With CONSULT)


1. INSPECTION START

Turn ignition switch ON.
- GO TO 2.

2. CHECK SELF-DIAG RESULT

Check for the DTC on CONSULT.
Is the DTC detected?
YES- Refer to "Diagnosis Procedure (Component Diagnosis)".
NO- Inspection End.

DTC CONFIRMATION PROCEDURE (Without CONSULT)

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.
- 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 DOOR SATELLITE SENSOR LH

Replace the front door satellite sensor LH (sedan) or door satellite sensor LH (coupe). Side Air Bag (Satellite) Sensor.
- 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
SRC