DTC B1149/37 Front Airbag Sensor LH Circuit Malfunction
DESCRIPTION
The front airbag sensor LH circuit consists of the center airbag sensor assembly and front airbag sensor LH.
If the center airbag sensor assembly receives signals from the front airbag sensor LH, it judges whether or not the SRS should be activated.
DTC B1149/37 is recorded when a malfunction is detected in the front airbag sensor LH circuit.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK DTC
OK: DTC B1149/37 is not output.
HINT: Codes other than DTC B1149/37 may be output at this time, but they are not related to this check.
USE SIMULATION METHOD TO CHECK
2 CHECK CONNECTION OF CONNECTORS
OK: The connectors are connected.
3 CHECK FRONT AIRBAG SENSOR LH CIRCUIT (OPEN)
NOTICE: Do not forcibly insert a service wire into the terminals of the connector when connecting.
Standard resistance
4 CHECK FRONT AIRBAG SENSOR LH
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.
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 ENGINE ROOM MAIN WIRE
Disassembly
1. REMOVE REAR NO. 2 SEAT COVER BEZEL
Remove the 5 screws.
Disengage the 5 claws and remove the rear No. 2
seat cover bezel.
2. REMOVE REAR SEAT RECLINING COVER LH
Remove the 2 screws.
Disengage the claw and remove the rear seat
reclining cover LH.
...
DTC check / clear
1. CHECK DTC (USING INTELLIGENT TESTER)
Checking DTCs.
Connect the intelligent tester to the DLC3.
Turn the ignition switch ON.
Read DTCs by following the prompts on the
tester screen.
HINT:
Refer to the intelligent tester operator's manual
for further deta ...
Touch Panel Switch does not Function
INSPECTION PROCEDURE
1 CHECK TOUCH PANEL
Check for foreign matter on the display.
OK:
The display is clean
2 CHECK TOUCH SWITCH (DISPLAY CHECK MODE)
Enter the "Display Check" mode (Touch Switch Check).
Touch the display in the area where the switch
malfunction o ...