Navigation System (for CrewMax)

NAVIGATION: NAVIGATION SYSTEM (for CrewMax): 58-43: SPD Signal Error

DTC 58-43 - SPD Signal Error

DTC 80-43 - SPD Signal Error

DESCRIPTION





INSPECTION PROCEDURE
HINT: After the inspection is completed, clear the DTCs Navigation System (for CrewMax).

PROCEDURE

1. CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)





(a) Enter the "Navigation Check" mode (Vehicle Sensors) Navigation Check Mode.
(b) 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.

Result





C -- GO TO "SPEED SIGNAL DOES NOT CHANGE IN THE NAVIGATION CHECK MODE" IN PROBLEM SYMPTOMS TABLE
B -- REPLACE NAVIGATION RECEIVER
A -- REPLACE NAVIGATION RECEIVER