Escape 4WD V6-3.0L VIN 1 (2005)
B3
Normal Operation
The audio unit receives a voltage signal from the smart junction box (SJB) to indicate the vehicle is in reverse on circuit 140 (BK/PK).
Possible Causes
-
circuit 140 (BK/PK) open or short to ground
-
SJB
-
audio unit
Test C: The Navigation System Does Not Operate Correctly - No Speedometer Signal
PINPOINT TEST C: THE NAVIGATION SYSTEM DOES NOT OPERATE CORRECTLY - NO SPEEDOMETER SIGNAL
C1-C2
