B1403

DTC B1403 - Satellite Right Side Defect

CIRCUIT DESCRIPTION
The release system for the airbag consists of the SRSCM and two satellites - one on the left - hand side and one on the right. The above DTCs are recorded when the defect or communication error of satellite is detected in the satellite circuit.




WIRING DIAGRAM

INSPECTION PROCEDURE




1. Preparation.
1. Disconnect negative (-) terminal cable from the battery, and wait at least 30 seconds.
2. Remove the DAB module.
3. Disconnect connectors of PAB left and right side airbag,belt pretensioner and satellite sensor.
4. Disconnect connector of SRSCM.

CAUTION: Store the DAB with the front surface facing upward.

2. Check Satellite circuit (Communication error).




PREPARATION
Check continuity between SRSCM connector and satellite connector as high (+) and high, low (-) and low (-).

OK: Continuity

NG: Replace harness between SRSCM and Satellite sensor.

OK: Go to next step.

3. Check Satellite sensor (Defect).

PREPARATION
1. Turn ignition switch to LOCK.
2. Disconnect negative (-) terminal cable from the battery, and wait at least 30 seconds.
3. Connect satellite connector.
4. Connect negative (-) terminal cable to the battery, and wait at least 30 seconds.




CHECK:
1. Turn ignition switch to ON, and wait at least 30 seconds.
2. Clear malfunction code stored in memory with Scan Tool.
3. Turn ignition switch to LOCK, and wait at least 30 seconds.
4. Turn ignition switch to ON, and wait at least 30 seconds.
5. Using Scan Tool, check DTC.

NOTE: DTC is not output.

HINT: Codes other than these ones may be output at this time, but they are not relevant to this check.

NG: Replace Satellite sensor.

OK: From the result of the above inspection, the malfunctioning part can now be considered normal.