LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2019 >> GX 460 Base >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> DTC C1A46: Yaw Rate Sensor [08/2019 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1A46: Yaw Rate Sensor [08/2019 - ]: Description

The driving support ECU assembly receives yaw rate sensor (center airbag sensor assembly) signals from the yaw rate sensor (center airbag sensor assembly) and skid control ECU (master cylinder solenoid) via CAN communication. If the driving support ECU assembly receives a yaw rate sensor (center airbag sensor assembly) malfunction signal from the yaw rate sensor (center airbag sensor assembly) or skid control ECU (master cylinder solenoid), DTC C1A46 will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A46 Yaw Rate Sensor
  • While the vehicle is being driven at a speed of 5 km/h (4 mph) or more, the driving support ECU assembly receives a yaw rate sensor (center airbag sensor assembly) malfunction signal from the yaw rate sensor (center airbag sensor assembly) for approximately 10 seconds or more.
  • While the vehicle is being driven at a speed of 5 km/h (4 mph) or more, the driving support ECU assembly receives a yaw rate sensor (center airbag sensor assembly) zero point malfunction signal from the skid control ECU (master cylinder solenoid) for approximately 10 seconds or more.
Vehicle stability control system
DTC DETECTION CONDITIONS:

  Vehicle Condition
Pattern 1 Pattern 2
Malfunction Status Vehicle is being driven at a speed of 5 km/h (3 mph) or more
Driving support ECU assembly receives a yaw rate sensor (center airbag sensor assembly) malfunction signal from yaw rate sensor (center airbag sensor assembly) -
Driving support ECU assembly receives a yaw rate sensor (center airbag sensor assembly) zero point malfunction signal from skid control ECU (master cylinder solenoid) -
Detection Time Approximately 10 seconds or more Approximately 10 seconds or more
Number of Trips 1 trip 1 trip

HINT: 

DTC will be output when conditions for either of the patterns in the table above are met.