DESCRIPTION
The skid control ECU (master cylinder solenoid) receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via the CAN communication system.
The airbag sensor assembly has a built-in yaw rate and acceleration sensor.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1442 |
An invalid data signal is transmitted continuously from the acceleration sensor for 10 seconds or more. |
Yaw rate and acceleration sensor (airbag sensor assembly) |
C1443 |
An invalid data signal is transmitted continuously from the yaw rate sensor for 10 seconds or more. |
Yaw rate and acceleration sensor (airbag sensor assembly) |
CAUTION / NOTICE / HINT
NOTICE:
When replacing the yaw rate and acceleration sensor (airbag sensor assembly), perform zero point calibration (See page ).
PROCEDURE
1. |
CHECK DTC |
(a) Turn the ignition switch off.
(b) Clear the DTC (See page ).
(c) Start and idle the engine for 60 seconds, and then stop the engine.
(d) Check if the same DTC is recorded (See page ).
Result
Result |
Proceed to |
---|---|
DTC output |
A |
DTC not output |
B |
A |
REPLACE AIRBAG SENSOR ASSEMBLY |
B |
CHECK USE SIMULATION METHOD TO CHECK |
All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch
DESCRIPTION
The main body ECU (multiplex network body ECU) receives switch signals from the
door control switch assembly on the front passenger door and activates the door
lock motor on each door according to these signals.
WIRING DIAGRAM
PROCEDURE
1.
READ VALUE USIN ...
Compressor Lock Sensor Circuit (B1422)
SYSTEM DESCRIPTION
The ECM sends the engine speed signal to the air conditioning amplifier assembly
via CAN communication.
The air conditioning amplifier assembly reads the difference between compressor
speed and engine speed. When the difference becomes too large, the air conditioning
ampli ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The vehicle stability control system troubleshooting procedures are
based on the premise that the CAN communication system is functioning normally.
Check the CAN communication system first before troubleshooting the vehicle
stability control system ...