Dtc C1442 Invalid Data Received From Acceleration Sensor

Brake. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Brake Control. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC

DTC C1442 Invalid Data Received from Acceleration Sensor

DTC C1443 Invalid Data Received from Yaw Rate Sensor


DESCRIPTION

The skid control ECU receives signals from the yaw rate and deceleration sensor via the CAN communication system.
The yaw rate sensor has a built-in deceleration sensor and detects the vehicle condition.

DTC Code
DTC Detection Condition
Trouble Area
C1442
An invalid data signal is transmitted continuously from the deceleration sensor for 10 seconds or more.
Yaw rate and deceleration sensor
C1443
An invalid data signal is transmitted continuously from the yaw rate sensor for 10 seconds or more.
Yaw rate and deceleration sensor

WIRING DIAGRAM

Refer to DTC C1440 (RAV4_ACA30 RM000003NL200NX_02.html).

INSPECTION PROCEDURE

NOTICE:
When replacing the yaw rate sensor assembly, perform zero point calibration (RAV4_ACA30 RM000001K1O00SX.html).
1.CHECK DTC

  1. Turn the ignition switch off.

  1. Clear the DTC (RAV4_ACA30 RM000000ONJ027X.html).

  1. Start and idle the engine for 60 seconds, and then stop the engine.

  1. Check if the same DTC is output (RAV4_ACA30 RM000000ONJ027X.html).

    Result:
    Result
    		Proceed to
    DTCs (C1442 and/or C1443) are output.
    		A
    DTCs (C1442 and C1443) are not output.
    		B


B
CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) (RAV4_ACA30 RM00000135201PX.html)
A

REPLACE YAW RATE SENSOR ASSEMBLY (RAV4_ACA30 RM000001XVQ009X.html)