BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1240: Yaw Rate Sensor
Discrimination
C1240 - Yaw Rate Sensor Discrimination
DESCRIPTION
INSPECTION PROCEDURE
NOTICE:
When replacing the brake actuator assembly or yaw rate and acceleration sensor, perform zero point calibration and store system
information See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and
Inspection/Programming and Relearning.
PROCEDURE
1. CHECK PART NUMBER (YAW RATE AND ACCELERATION SENSOR)
(a) Check that the part number of the installed yaw rate and acceleration sensor is correct.
OK:
Yaw rate and acceleration sensor installed in the vehicle has the correct part number.
NG -- REPLACE YAW RATE AND ACCELERATION SENSOR See: Brakes and Traction Control/Antilock Brakes / Traction
Control Systems/Acceleration/Deceleration Sensor/Service and Repair/Removal
OK -- Continue to next step.
2. RECONFIRM DTC
(a) Clear the DTCs See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Reading and
Clearing Diagnostic Trouble Codes.
(b) Check if the same DTC is recorded See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes.
Result:
B -- REPLACE BRAKE ACTUATOR ASSEMBLY See: Brakes and Traction Control/Antilock Brakes / Traction Control
Systems/Hydraulic Control Assembly - Antilock Brakes/Service and Repair/Removal
A -- CHECK FOR INTERMITTENT PROBLEMS See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
Up to 08/2009
MF1A TRANSFER / 4WD / AWD: ACTIVE TORQUE CONTROL 4WD SYSTEM: C1241: Low Power Supply Voltage Malfunction
C1241 - Low Power Supply Voltage Malfunction
DESCRIPTION
If a malfunction in the power source circuit occurs, or a malfunction in communication with the skid control ECU or in a speed sensor occurs, the
4WD control ECU will prohibit operations by the fail-safe function.
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