DTC B1281 Airbag ECU Communication Stop
DESCRIPTION
DTC B1281 is output when communication between the airbag ECU and the multiplex network gateway ECU stops for more than 10 seconds.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|
B1281 |
Airbag ECU communication stops |
|
WIRING DIAGRAM

INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (AIRBAG SENSOR ASSEMBLY - BATTERY)

Standard voltage

2 CHECK HARNESS AND CONNECTOR (AIRBAG SENSOR ASSEMBLY - GROUND)

Standard resistance

3 CHECK COMMUNICATION LINE

Standard resistance

HINT:
*1: for Automatic A/C
*2: for Manual A/C
Result

REPLACE AIRBAG SENSOR ASSEMBLY
Power Seat ECU Communication Stop
Back Door ECU Communication StopRemoval
1. REMOVE TRANSFER CASE NO.1 PLUG (See page
TF-8)
2. REMOVE TRANSFER DRAIN PLUG
(a) Remove the transfer drain plug, drain gasket and
bleed transfer oil.
3. REMOVE EXHAUST PIPE ASSEMBLY
HINT:
(See page EX-8)
4. REMOVE PROPELLER WITH CENTER BEARING
SHAFT ASSEMBLY
HINT:
(See page PR-3)
5. R ...
Map Display Incomplete
INSPECTION PROCEDURE
1 CHECK MAP DISC
Check that the map disc is not deformed or cracked.
OK:
No deformations or cracks on map disc.
2 CHECK DISPLAY
Check that displays other than the navigation display are
complete.
OK:
No other incomplete displays are found.
REPLACE RADIO ...
Intermediate Shaft Speed Sensor "A"
DESCRIPTION
This sensor detects the rotation speed of the counter gear. By comparing the
counter gear speed signal
(NC) with the direct clutch speed sensor signal (NT), the ECM detects the shift
timing of the gears and
appropriately controls the engine torque and hydraulic pressure according ...