CIRCUIT INSPECTION
DTC | B1400 Satellite left side defect B1403 Satellite right side defect B1409 Satellite left communication error B1410 Satellite right communication error |
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 a defect or communication error of the satellite is detected in the satellite circuit.
WIRING DIAGRAM
INSPECTION PROCEDURE
Preparation
Disconnect the negative (-) terminal cable from the battery, and wait at least 30 seconds.
Remove the DAB module.
Disconnect the connectors of the PAB, left and right side airbags, belt pretensioners and satellite sensors.
Disconnect the SRSCM connector.
cautionPlace the DAB with the front surface facing upward.
Check satellite circuit (communication error).
[PREPARATION]
Check continuity between the SRSCM connector and the satellite connector as high (+) and high, low (-) and low (-). OK : Continuity |
Check the satellite sensor (defect).
[PREPARATION]
Turn the ignition switch to LOCK.
Disconnect the negative (-) terminal cable from the battery, and wait for 30 seconds.
Connect the satellite connector.
Connect the negative (-) terminal cable to the battery, and wait for 30 seconds.
[CHECK]
Turn the ignition switch to ON, and wait for at least 30 seconds.
Clear the malfunction code stored in the memory with Hi-Scan Pro.
Turn the ignition switch to LOCK, and wait for 30 seconds.
Turn the ignition switch ON, and wait for 30 seconds.
Using the Hi-Scan Pro, check the DTC.
There is no DTC.
[HINT]
Codes other than these may be output at this time, but they are not relevant to this check. |