DTC B1154/38 Rear Airbag Sensor RH Circuit Malfunction
DESCRIPTION
The rear airbag sensor RH circuit consists of the center airbag sensor assembly and rear airbag sensor RH.
If the center airbag sensor assembly receives signals from the rear airbag sensor RH, it judges whether or not the SRS should be activated.
DTC B1154/38 is recorded when a malfunction is detected in the rear airbag sensor RH circuit.
DTC No. |
DTC Detecting Condition |
Trouble Area |
B1154/38 |
|
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK DTC
OK: DTC B1154/38 is not output. HINT: Codes other than code B1154/38 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 NO. 2 (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
NO. 2
4 CHECK FLOOR WIRE NO. 2 (SHORT TO B+)
Standard voltage
REPAIR OR REPLACE FLOOR WIRE
NO. 2
5 CHECK FLOOR WIRE NO. 2 (SHORT TO GROUND)
Standard resistance
REPAIR OR REPLACE FLOOR WIRE
NO. 2
6 CHECK FLOOR WIRE NO. 2 (SHORT)
Standard resistance
REPAIR OR REPLACE FLOOR WIRE
NO. 2
7 CHECK REAR AIRBAG SENSOR RH
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 CENTER AIRBAG SENSOR
ASSEMBLY
REPLACE REAR AIRBAG SENSOR RH
USE SIMULATION METHOD TO CHECK
Camshaft Position Sensor "A" Circuit
DTC P0340 Camshaft Position Sensor "A" Circuit (Bank 1
or Single Sensor)
DTC P0342 Camshaft Position Sensor "A" Circuit Low
Input (Bank 1 or Single Sensor)
DTC P0343 Camshaft Position Sensor "A" Circuit High
Input (Bank 1 or Single Sensor)
DTC P0345 Camshaft Posit ...
Disassembly
1. REMOVE OIL PUMP RELIEF VALVE
(A) using a 27 mm socket wrench, remove the relief
valve plug.
(B) remove the valve spring and oil pump relief valve.
2. REMOVE OIL PUMP COVER
(a) Remove the 8 bolts, oil pump cover and oil pump
rotor set. ...
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The likely causes of the problem are
indicated in descending order. Check each suspected area
in order. Repair or replace faulty parts or perform
adjustments as necessary.
Inspect the fuse and rel ...