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APR B8 S4 Program Switching - How To

 

APR-EMCS-Program

 

To Enable EMCS:  Turn the ignition and cruise control to the on position. Do not start the engine. Ensure Security Lockout or Anti-Theft is disabled.

To Unlock the ECU of Disable Anti-Tehft:  "SPEED+" is used to enter a digit and "SPEED-" is used to register the digit. Enter the first digit of the security code by pressing "SPEED+" the number of times corresponding to the first digit, then use "SPEED-" to register the digit. Repeat this step for each digit in the user defined security code. The check engine light and EPC light will flash to indicate the ECU is unlocked or Anti-Theft is disabled.

To use Security Lockout to Lock the ECU:  Hold "RESUME" on the cruise control stalk. The check engine light will blink in set of one to three blinks indicating different features. Release "RESUME" when the check engine light is flashing in groups of three blinks per second. The EPC and CEL will blink to indicate the ECU is locked.

To cycle through APR Programs:  Hold "SET" on the cruise control stalk. The check engine light will blink in set of one to four blinks to indicate programs one through four. Release "SET" during this sequence to select a program. The EPC light will flash one to four times to indicate the program selected. The vehicle may be started.

To use Fault Code Erase:  Hold "RESUME" on the cruise control stalk. The check engine light will begin to blink. Release "RESUME" when the check engine light is flashing in groups of one blink per second. Fault Codes will be cleared.

To Enable Anti-Theft:  Quickly press "SET, SET, RESUME, RESUME, SET, SET, RESUME and RESUME". The check engine light will begin blinking. The vehicle will no longer start until the user defined security code is entered.

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