Toyota 4Runner manuals

Toyota 4Runner: Invalid Data Received from Deceleration Sensor (C1442,C1443)

DESCRIPTION

The skid control ECU receives signals from the yaw rate and acceleration sensor via the CAN communication system.

DTC Code

DTC Detection Condition

Trouble Area

C1442

An invalid data signal is transmitted continuously from the acceleration sensor for 10 seconds or more.

Yaw rate and acceleration sensor

C1443

An invalid data signal is transmitted continuously from the yaw rate and acceleration sensor for 10 seconds or more.

CAUTION / NOTICE / HINT

NOTICE:

When replacing the yaw rate and acceleration sensor, perform calibration (See page ).


PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs (See page ).


(b) Turn the ignition switch off.

(c) Start the engine and idle it for 60 seconds, and then stop the engine.

(d) Check if the same DTC is output (See page
).

Result

Result

Proceed to

DTCs C1442 and/or C1443 are output

A

DTCs C1442 and C1443 are not output

B


A

REPLACE YAW RATE AND ACCELERATION SENSOR


B

USE SIMULATION METHOD TO CHECK

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