Toyota Sienna Service Manual: SPD Signal Error

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DTC 58-43 SPD Signal Error

DTC 80-43 SPD Signal Error

DESCRIPTION

DTC No.	DTC Detection Condition	Trouble Area
58-43	A difference between the GPS speed and SPD pulse is detected.	Speed signal circuit Radio and navigation assembly
80-43	A difference between the GPS speed and SPD pulse is detected	Speed signal circuit Radio and navigation assembly

INSPECTION PROCEDURE

HINT: After the inspection is completed, clear the DTCs.

1 CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)

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.

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.

END

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