Toyota 4Runner: Speed Sensor Circuit Malfunction (C1883/83)

Toyota 4Runner Service Manual / Suspension / Suspension Control / Kinetic Dynamic Suspension System / Speed Sensor Circuit Malfunction (C1883/83)

DESCRIPTION

The stabilizer control ECU receives the speed signal from the skid control ECU via CAN communication.

DTC Code	DTC Detection Condition	Trouble Area
C1883/83	The stabilizer control ECU continuously receives a speed sensor malfunction signal from the skid control ECU for 1 second.	Brake control system CAN communication system Stabilizer control ECU

CAUTION / NOTICE / HINT

HINT:

If DTC U0122/71 and C1883/83 are output at the same time, perform the inspection necessary for the CAN communication system first (See page ).

PROCEDURE

1.	CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)

(a) Check for speed sensor malfunction DTCs (See page ).

Result

Result	Proceed to
DTC is not output	A
DTC is output	B

GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART)

2.	RECONFIRM DTC

(a) Clear the DTCs (See page ).

(b) Perform a road test.

Result

Result	Proceed to
DTC is not output	A
DTC is output	B

USE SIMULATION METHOD TO CHECK

REPLACE STABILIZER CONTROL ECU

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