NGS Mach II User Guide v1.1
PATS Functions
36
Erasing & Reprogramming Keys
(Ignition Key Code Erase)
This procedure erases all programmed keys. Use it for unprogramming all keys (or lost keys), or
when the ignition switch assembly has been replaced.
• Make sure to use blank
unprogrammed keys
when reprogramming
• Make sure the vehicle’s battery is fully charged—disconnect NGS Mach II from the vehicle if the
battery needs charging.
Procedure:
1. Cut the number of keys you want to add
to the vehicle (refer to vehicle’s shop
manual).
2. Note the module that contains PATS
functionality (refer to vehicle’s shop
manual).
3. With NGS Mach II connected to the
vehicle, insert either a cut blank key, or a
programmed key into the ignition.
4. Turn the key to
RUN
—do not crank the
engine.
5. At the NGS Mach II main screen, select
the Vehicle, Module, and Action from the
Main menu.
• Select the module that contains the
PATS functionality from the list of
modules (refer to the vehicle’s shop
manual).
6. Highlight
GO
and then press
TRIGGER
.
7. Highlight
SERVICE BAY FUNCTIONS
and
then press
TRIGGER
.
8. Highlight the module that contains
the PATS functionality and then press
TRIGGER
.
9. Highlight
PRESELECT FOR PATS
and then
press
TRIGGER
.
10. When prompted, reselect the following
(press
TRIGGER
after each selection):
• SELECT NEW VEHICLE YEAR & MODEL
• Select model year
• Select vehicle and engine
• Confirm selection
11. Highlight
ENTER SECURITY ACCESS
and
then press
TRIGGER
.
Note: For security purposes, there is an eight
to ten minute delay before you gain access.
12. After gaining security access, highlight
IGNITION KEY CODE ERASE
and
then press
TRIGGER
to complete the
procedure.
A message displays at the bottom of the
screen to let you know the process is
complete.
13. Disconnect NGS Mach II form the vehicle.
14. Turn the key to OFF.
All keys are now erased from the system.
