Dtc 58-43 Spd Signal Error

Lexus IS250 IS220d GSE20 ALE20 - NAVIGATION

DESCRIPTION

INSPECTION PROCEDURE

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

DTC 58-43 SPD Signal Error

DTC 80-43 SPD Signal Error

DESCRIPTION

DTC No.DTC Detection ConditionTrouble Area
58-43A difference between the GPS speed and SPD pulse is detected.
Speed signal circuit
Navigation ECU
80-43A difference between the GPS speed and SPD pulse is detected.

INSPECTION PROCEDURE

  • HINT:
  • After the inspection is completed, clear the DTCs.
1.CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
Dtc 58-43 Spd Signal Error. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Enter the "Navigation Check" mode (Vehicle Sensors) .

While driving the vehicle, compare the "SPD" indicator to the reading on the speedometer. Check if these readings are almost equal.

  • OK:
  • The readings are almost equal.
OK
REPLACE NAVIGATION ECU
NG
2.PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Refer to "Speed signal does not change in the navigation check mode" in the problem symptoms table .


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