LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2021 >> RAV4 LE, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Vacuum Brake Booster) - Diagnostic Codes (3 Of 8) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster) >> DTC C1240-00: Yaw Rate Sensor / Multi-axis Acceleration Sensor Module "A" [12/2021 - ] >> Description

DTC C1240-00: Yaw Rate Sensor / Multi-axis Acceleration Sensor Module "A" [12/2021 - ]: Description

The yaw rate and acceleration sensor has a built-in airbag ECU assembly.

If the identification ID of the yaw rate and acceleration sensor (airbag ECU assembly) is different to that stored in the No. 2 skid control ECU (brake actuator assembly), this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
C1240-00 Yaw Rate Sensor / Multi-axis Acceleration Sensor Module "A" The yaw rate and acceleration sensor (airbag ECU assembly) identification information stored in the No. 2 skid control ECU (brake actuator assembly) is not consistent with the yaw rate and acceleration sensor (airbag ECU assembly) identification information sent via CAN communication continuously for 1 second or more.
  • Incorrect yaw rate and acceleration sensor (airbag ECU assembly) installed
  • No. 2 skid control ECU (brake actuator assembly)
Comes on
  • SAE Code: C1240
  • Output ECU: No. 2 skid control ECU (brake actuator assembly)