DTC B1272 Power Seat ECU Communication Stop
DESCRIPTION
This DTC is detected when communication between the seat position control ECU and the multiplex network gateway ECU stops for more than 10 seconds.
DTC No. |
DTC Detection Condition |
Trouble Area |
B1272 |
Power seat ECU communication stops |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (SEAT POSITION CONTROL ECU - BATTERY)
Standard voltage
2 CHECK HARNESS AND CONNECTOR (SEAT POSITION CONTROL ECU - GROUND)
Standard resistance
3 CHECK COMMUNICATION LINE
Standard resistance
Result
REPLACE SEAT POSITION CONTROL ECU
Disassembly
1. REMOVE BACK DOOR GARNISH CENTER
Using a clip remover, disengage the 5 clips and
remove the garnish center.
2. REMOVE BACK DOOR SIDE GARNISH LH
Using a clip remover, disengage the 3 clips and
remove the side garnish.
3. REMOVE BACK DOOR SIDE GARNISH RH
Using a clip remove ...
Compressor Lock Sensor Circuit
DTC B1422/22 Compressor Lock Sensor Circuit
SYSTEM DESCRIPTION
The ECM sends an engine speed signal to the A/C amplifier via CAN
communication and BEAN
communication.
The A/C amplifier reads the difference between compressor speed and engine
speed. When the
difference becomes too large, t ...
Installation
1. INSTALL FRONT SHOCK ABSORBER WITH COIL SPRING
(a) Install the front shock absorber with coil spring as
shown in the illustration.
(b) Install the 3 nuts to the upper side of the front shock
absorber with coil spring.
Torque: 80 N*m (816 kgf*cm, 59 ft.*lbf)
(c) Install the 2 bolt ...