DTC B1148/36 Front Airbag Sensor RH Circuit Malfunction
DESCRIPTION
The front airbag sensor RH circuit consists of the center airbag sensor assembly and front airbag sensor RH. If the center airbag sensor assembly receives signals from the front airbag sensor RH, it judges whether or not the SRS should be activated.
DTC B1148/36 is recorded when a malfunction is detected in the front airbag sensor RH circuit.
DTC No. |
DTC Detecting Condition |
Trouble Area |
B1148/36 |
|
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK DTC
OK: DTC B1148/36 is not output.
HINT: Codes other than DTC B1148/36 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 FRONT AIRBAG SENSOR RH CIRCUIT (OPEN)
NOTICE: Do not forcibly insert a service wire into the terminals of the connector when connecting.
Standard resistance
Go to step 5
4 CHECK FRONT AIRBAG SENSOR RH
Result
HINT: Codes other than DTC B1148/36 and B1149/37 may be output at this time, but they are not related to this check.
REPLACE CENTER AIRBAG SENSOR
ASSEMBLY
REPLACE FRONT AIRBAG SENSOR
RH
USE SIMULATION METHOD TO CHECK
5 CHECK INSTRUMENT PANEL WIRE (OPEN)
HINT: The service wire has already been inserted into connector "B".
Standard resistance
REPAIR OR REPLACE INSTRUMENT
PANEL
WIRE
REPAIR OR REPLACE ENGINE ROOM MAIN WIRE
Removal
1. REMOVE FRONT DOOR WINDOW FRAME MOULDING
Remove the screw.
Using a heat light, heat the front door window frame
moulding between 40 to 60 C (104 to 140 F).
NOTICE:
Do not heat the front door window frame
moulding excessively.
Slide the front door window frame moulding upward
...
Active test
HINT:
Performing an ACTIVE TEST enables components
including the relays, VSV (Vacuum Switching Valve), and
actuators, to be operated without removing any parts.
The ACTIVE TEST can be performed with an intelligent
tester. Performing an ACTIVE TEST in the first step in
troubleshooting is one ...
Installation
1. INSTALL ROOF DRIP SIDE FINISH MOULDING
When exchanging the clips
Remove the tape that remains on the mounting
surface of the vehicle body and then clean the
surface with white gasoline.
Using a heat light, heat up the clip installation
surfaces of the vehicle body and moulding.
...