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
Engine oil pressure switch
ON-VEHICLE INSPECTION
1. INSPECT ENGINE OIL PRESSURE SWITCH
ASSEMBLY
Disconnect the connector from the oil pressure
switch assembly.
With the switch still installed, measure the
resistance between the terminal of the engine oil
pressure switch and engine ground.
Standard ...
Room light assembly
ON-VEHICLE INSPECTION
1. ROOM LIGHT ASSEMBLY NO.2
Check that the resistance exists between the
terminals.
Resistance:
Below 1 Ω
2. INTERIOR DOME LIGHT SWITCH ASSEMBLY
Check that there is resistance between the
terminals at each switch position as shown in the
cha ...
Open in Rear Curtain Shield Squib LH Circuit
DTC B1636/88 Open in Rear Curtain Shield Squib LH Circuit
DESCRIPTION
The rear curtain shield squib LH circuit consists of the center airbag sensor
assembly and the curtain
shield airbag assembly LH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1636/88 ...