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Advanced Diagnostics USA Manual for MVP & TCODE PRO – Copyright 2014 Advanced Diagnostics USA INC.
TYPE 1
ALL Toyota TYPE 1 use what the industry refers to as a 4C transponder chip in
the keys.
The same 4C chip can be programmed into the car as a MASTER or as a VALET
key.
A key that is programmed as a VALET cannot be used to introduce more keys
into the system with the MVP or T-Code.
How to tell if a programmed key is a MASTER or a VALET?
Valet key- when rst inserted into the ignition lock, the Security Light will stay on for 2
seconds and then stay off.
Master key- when inserted into the ignition lock, the Security Light will not illuminate at
all.
TYPE 1 SPECIAL FUNCTIONS:
RESET Immobilizer:
This function allows you to erase all keys and to place the immobilizer in the “Auto
Learn Mode”. This function is used when the customer has lost all their keys.
ADD MASTER KEY:
This function allows you to add a Master key to the car’s immobilizer system as long as
you have an existing pre-programmed Master key to start with. On Type 1 system cars
it is possible to program a key in as Valet as a Master
ADD VALET KEY:
This function allows you to add a Valet key to the car’s immobilizer system as long as
you have an existing pre-programmed Master key to start with. The vehicle’s immobi-
lizer system cannot tell the difference between the transponder chip in the key,
so it is possible to program a Master as a Valet into the immobilizer system.
ERASE KEYS:
This function allows you to erase all keys except the key in the ignition lock at the time.
Toyota Immobilizer
MVP - TCODE - PRO
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