Navigation System (for CrewMax)

NAVIGATION: NAVIGATION SYSTEM (for CrewMax): 60-42: Tuner Power Source Error

DTC 60-42 - Tuner Power Source Error

DTC 60-43 - AM Tuner Error

DTC 60-44 - FM Tuner Error

DTC 60-50 - Malfunction in Internal IC

DESCRIPTION





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

PROCEDURE

1. CLEAR DTC
(a) Clear the DTCs Navigation System (for CrewMax).
NEXT -- Continue to next step.
2. RECHECK DTC
(a) Recheck for DTCs and check if the same trouble occurs again.
HINT: If DTCs are detected frequently, replace the navigation receiver.

OK:
Malfunction disappears.

Result





C -- REPLACE NAVIGATION RECEIVER
B -- REPLACE NAVIGATION RECEIVER
A -- USE SIMULATION METHOD TO CHECK