Toyota 4Runner manuals

Toyota 4Runner: 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


B

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


A

2.

RECONFIRM DTC

(a) Clear the DTCs (See page ).


(b) Perform a road test.

(c) Check for DTCs (See page ).


Result

Result

Proceed to

DTC is not output

A

DTC is output

B


A

USE SIMULATION METHOD TO CHECK


B

REPLACE STABILIZER CONTROL ECU

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DESCRIPTION The stabilizer control ECU stores DTC C1881/81 when internal ECU malfunctions occur. DTC Code DTC Detection Condition Trouble Area C18 ...

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