Acura 3.5 RL Manual page 1342

Picture Diagnosis
'97 - 99 Models (cont'd)
SYSTEM HISTORY
CAR STATUS
This screen is for the manufacturer's use only.
NOTE: Do not touch the CLR switch.
Touching the CLR switch will clear the system history.
Use the car status screen to check each signal.
If the indication does not match the actual vehicle status, check the applica-
ble signal line.
• VSP (vehicle speed pulse indication)
OFF when vehicle is not moving
ON when vehicle is moving
• BACK (reverse indication)
OFF when shift lever is in any position other than reverse
ON when shift lever is in reverse
• CHG (charging indication)
ON when engine is running and alternator is charging
OFF when engine is off or alternator is not charging
• ILL (illumination indication)
OFF when parking lights or headlights are off
ON when parking lights or headlights are on