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

Steering Angle Sensor Unusual Bank Angle Detected (C1440)
DESCRIPTION If the skid control ECU determines that the vehicle is being driven at a steep bank angle, the skid control ECU stores DTC C1440 while VSC operation is temporarily disabled. It is no ...

Accumulator Low Pressure (C1452)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area C1452 After braking, the fluid pressure inside the accumulator is below the ...

Other materials about Toyota 4Runner:

Suspension Control ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Suspension Control ECU Communication Stop Mode Either condition is met: "KDSS" is not displayed on the "CAN Bus Check&quo ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE NO. 1 ROOF SILENCER PAD (w/o Sliding Roof) (a) Remove the No. 1 roof silencer pad. 2. REMOVE NO. 2 ROOF SILENCER PAD (a) w/o Sliding Roof: Remove the 2 No. 2 roof silencer pads. (b) w/ Sliding Roof: Remo ...

© 2016-2024 | www.to4runner.net

0.0141