LS V8-3.9L VIN A (2003)
Test M5
Normal Operation
The compass display and module are integrated into the rear view mirror. The rear view mirror receives switched B+ voltage via circuit 75-AD15
(YE/BU). Circuit 31-AD15 (BK/OG) provides the mirror ground.
Possible Causes
-
circuit 75-AD15 (YE/BU) open or shorted to ground
-
circuit 31-AD15 (BK/OG) open
-
rear view mirror
Test N
PINPOINT TEST N: THE COMPASS IS INACCURATE
Test N1-N3
Test N4
Normal Operation
The compass display and module are integrated into the rear view mirror. The compass adjustment and zone variation are controlled by the COMP
switch on the mirror.
