VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1381

DTC Code DTC Name
C1381 Acceleration Sensor Power Supply Voltage Malfunction

DESCRIPTION

This DTC is stored when the skid control ECU (brake actuator assembly) receives a sensor supply voltage malfunction signal from the yaw rate and acceleration sensor (yaw rate sensor).

DTC No.

DTC Detection Condition

Trouble Area

C1381

Vehicle speed is 6 km/h (4 mph) or higher and yaw rate and acceleration sensor power supply malfunction signal is received for 1.1 seconds or more.

  • Acceleration sensor (yaw rate sensor) power source circuit

  • Acceleration sensor (yaw rate sensor)

WIRING DIAGRAM

Refer to DTCs C1234, C1243, C1244, C1245, C1418, C1472 and C1474 (Click here).

CAUTION / NOTICE / HINT

Note:

  • When replacing the yaw rate and acceleration sensor, perform acceleration sensor zero point calibration (Click here).

  • Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

  1. CHECK TERMINAL VOLTAGE (IGA TERMINAL)

    Click here

    REPAIR OR REPLACE HARNESS OR CONNECTOR (IGA CIRCUIT)

    INSPECT STOP AND START SYSTEM (BACKUP BOOST CONVERTER CIRCUIT)

    (Click here)

  2. CHECK HARNESS AND CONNECTOR (GNDA TERMINAL)

    Click here

    REPLACE YAW RATE SENSOR

    (Click here)

    REPAIR OR REPLACE HARNESS OR CONNECTOR (GNDA CIRCUIT)