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ELECTRONIC CONTROL MODULES TABLE OF CONTENTS page page ELECTRONIC CONTROL MODULES . . . . . . . . . . . . . . . . . . . . . . . 1 COMMUNICATION . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 CONTROLLER ANTILOCK BRAKE . . . . . . . . . . . . . . . . . . . . . . . . . . 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 . . . . . . . . . . . . . . . . . . . . . . . . . . 4 DATA LINK CONNECTOR DESCRIPTION - DATA LINK CONNECTOR OPERATION - DATA LINK CONNECTOR POWERTRAIN CONTROL MODULE . . . . . . . . . . . . . . . . . . . . . . . . 5 DESCRIPTION - MODES OF OPERATION DESCRIPTION - IGNITION CIRCUIT SENSE . . . . . . . . . . . . . . . . . . . . . . . . . . 8 OPERATION - IGNITION CIRCUIT SENSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 . . . . . . . . . . . . . . . . . . . . . . . . . 10 SENTRY KEY IMMOBILIZER MODULE . . . . . . . . . . . . . . . . . . . . . . . . . 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 . . . . . . . . . . . . . . . . . . . . . . . . . 13 TRANSMISSION CONTROL MODULE . . . . . . . . . . . . . . . . . . . . . . . . . 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 STANDARD PROCEDURE - TCM QUICK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 ELECTRONIC CONTROL STANDARD PROCEDURE - PCM/SKIM CAUTION: ASSURE THE DRBIII T IS PROGRAMMED WITH THE LATEST VERSION OF CURRENT SOFT- NOTE: Before replacing the PCM for a failed driver, When a PCM (JTEC) and the SKIM are replaced at the same time, perform the following steps in (1) Program the new PCM (JTEC). (3) Replace all ignition keys and program them to the new SKIM. PROGRAMMING THE PCM (JTEC) The SKIS Secret Key is an ID code that is unique to each SKIM. This code is programmed and stored t scan tool. Perform the following steps to program the secret key into the PCM. (1) Turn the ignition switch to the On position (transmission in Park/Neutral). (2) Use the DRBIII t and select THEFT ALARM, SKIM, then MISCELLANEOUS. (3) Select PCM REPLACED (GAS ENGINE). vehicle four-digit PIN. (5) Select ENTER to update PCM VIN. NOTE: If three attempts are made to enter secured TJ ELECTRONIC CONTROL MODULES 8E - 1 |