DTC B1155/39 Rear Airbag Sensor LH Circuit Malfunction
DESCRIPTION
The rear airbag sensor LH circuit consists of the center airbag sensor assembly and rear airbag sensor LH.
If the center airbag sensor assembly receives signals from the rear airbag sensor LH, it judges whether or not the SRS should be activated.
DTC B1155/39 is recorded when a malfunction is detected in the rear airbag sensor LH circui
DTC No. |
DTC Detecting Condition |
Trouble Area |
B1155/39 |
|
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK DTC
OK: DTC B1155/39 is not output.
HINT: Codes other than code B1155/39 may be output at this time, but they are not related to this check.
Go to step 2
USE SIMULATION METHOD TO CHECK
2 CHECK CONNECTION OF CONNECTORS
OK: The connectors are connected.
CONNECT CONNECTORS
3 CHECK FLOOR WIRE (OPEN)
NOTICE: Do not forcibly insert a service wire into the terminals of the connector when connecting.
Standard resistance
NOTICE: Do not forcibly insert a service wire into the terminals of the connector when connecting.
Standard resistance
REPAIR OR REPLACE FLOOR WIRE
4 CHECK FLOOR WIRE (SHORT TO B+)
Standard voltage
REPAIR OR REPLACE FLOOR WIRE
5 CHECK FLOOR WIRE (SHORT TO GROUND)
Standard resistance
REPAIR OR REPLACE FLOOR WIRE
6 CHECK FLOOR WIRE (SHORT)
Standard resistance
REPAIR OR REPLACE FLOOR WIRE
7 CHECK REAR AIRBAG SENSOR LH
Result
HINT: Codes other than DTC B1154/38 and B1155/39 may be output at this time, but they are not related to this check.
REPLACE REAR AIRBAG SENSOR LH
REPLACE CENTER AIRBAG SENSOR
ASSEMBLY
USE SIMULATION METHOD TO CHECK
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