Dtc C1541 Vehicle Speed Signal Malfunction

Steering. Land Cruiser. Urj200, 202 Grj200 Vdj200
Power Assist Systems. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM)

CHECK OTHER DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM)

DTC C1541 Vehicle Speed Signal Malfunction


DESCRIPTION

The power steering ECU receives vehicle speed signals from the skid control ECU via CAN communication. The power steering ECU provides appropriate assisting force in accordance with the vehicle speed signal.

DTC Code
DTC Detection Condition
Trouble Area
C1541
An abnormal vehicle speed signal is received.
  1. Speed sensor circuit
  2. Vehicle stability control system
  3. CAN communication system
  4. Power steering ECU assembly

INSPECTION PROCEDURE

1.CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM)

  1. Check if DTC U0129 is output (Click here).

    Result
    Result
    		Proceed to
    DTC U0129 is not output.
    		A
    DTC U0129 is output.
    		B

    HINT:
    DTC U0129 indicates a CAN communication malfunction in the power steering system.


B
REPAIR CIRCUIT INDICATED BY OUTPUT CODE (Click here)
A


2.CHECK OTHER DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM)

  1. Using the GTS, check for DTCs and confirm that there are no problems in the vehicle stability control system (Click here).

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



B
GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) (Click here)
A

REPLACE POWER STEERING ECU ASSEMBLY (Click here)