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 circuit.
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.
USE SIMULATION METHOD TO CHECK
2 CHECK CONNECTION OF CONNECTORS
OK: The connectors are connected.
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
4 CHECK FLOOR WIRE (SHORT TO B+)
Standard voltage
5 CHECK FLOOR WIRE (SHORT TO GROUND)
Standard resistance
6 CHECK FLOOR WIRE (SHORT)
Standard resistance
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.
USE SIMULATION METHOD TO CHECK
Standard bolt
HOW TO DETERMINE BOLT STRENGTH
SPECIFIED TORQUE FOR STANDARD BOLTS
HOW TO DETERMINE NUT STRENGTH
HINT:
*: Nut with 1 or more marks on one side surface of the nut.
Use a nut with the same nut strength classification number
(or greater) as the bolt strength classification number ...
Front Occupant Classification Sensor RH Collision
Detection
DTC B1786 Front Occupant Classification Sensor RH Collision
Detection
DESCRIPTION
DTC B1786 is output when the occupant classification ECU receives a collision
detection signal sent by
the front occupant classification sensor RH if an accident occurs.
DTC B1786 is also output when the front ...
Disassembly
1. INSPECT UNDERDRIVE PACK CLEARANCE
HINT:
(See page AX-262)
2. REMOVE UNDERDRIVE CLUTCH FLANGE NO.2 HOLE
SNAP RING
a) Using a screwdriver, remove the underdrive clutch
flange No.2 snap ring.
3. REMOVE UNDERDRIVE CLUTCH DISC NO.1
(a) Remove the flange, 4 discs and 4 plates from the
...