TABLE OF CONTENTS
1.0 INTRODUCTION .........................................................1
1.1 SYSTEM COVERAGE ...............................................1
1.2 SIX-STEP TROUBLESHOOTING PROCEDURE ..........................1
2.0 IDENTIFICATION OF SYSTEM .............................................1
3.0 SYSTEM DESCRIPTION AND FUNCTIONAL OPERATION ......................2
3.1 GENERAL DESCRIPTION ............................................2
3.2 FUNCTIONAL OPERATION ...........................................2
3.2.1 FUEL CONTROL ..........................................2
3.2.2 ON-BOARD DIAGNOSTICS ...................................2
3.2.3 OTHER CONTROLS.........................................5
3.2.4 PCM OPERATING MODES ...................................9
3.2.5 NON-MONITORED CIRCUITS .................................9
3.2.6 SENTRY KEY REMOTE ENTRY SYSTEM (SKREES) OVERVIEW . . .9
3.2.7 SKREEM ON-BOARD DIAGNOSTICS...........................9
3.2.8 SKREES OPERATION ......................................10
3.2.9 PROGRAMMING THE POWERTRAIN CONTROL MODULE .......10
3.2.10 PROGRAMMING THE SKREEM ..............................11
3.2.11 PROGRAMMING THE IGNITION KEYS TO THE SKREEM.........11
3.3 DIAGNOSTIC TROUBLE CODES .....................................11
3.3.1 HARD CODE ..............................................11
3.3.2 INTERMITTENT CODE......................................12
3.3.3 STARTS SINCE SET COUNTER ..............................12
3.3.4 DISTANCE SINCE MI SET ...................................12
3.4 USING THE DRBIIIT ................................................12
3.5 DRBIIIT ERROR MESSAGES AND BLANK SCREEN .....................12
3.5.1 DRBIIIT DOES NOT POWER UP..............................12
3.5.2 DISPLAY IS NOT VISIBLE ...................................13
4.0 DISCLAIMERS, SAFETY, WARNINGS ......................................13
4.1 DISCLAIMERS.....................................................13
4.2 SAFETY ..........................................................13
4.2.1 TECHNICIAN SAFETY INFORMATION.........................13
4.2.2 VEHICLE PREPARATION FOR TESTING.......................13
4.2.3 SERVICING SUB ASSEMBLIES ..............................13
4.2.4 DRBIIIT SAFETY INFORMATION .............................13
4.3 WARNINGS AND CAUTIONS ........................................14
4.3.1 ROAD TEST WARNINGS....................................14
4.3.2 VEHICLE DAMAGE CAUTIONS ..............................14
5.0 REQUIRED TOOLS AND EQUIPMENT .....................................14
6.0 GLOSSARY OF TERMS..................................................14
7.0 DIAGNOSTIC INFORMATION AND PROCEDURES ...........................17
COMMUNICATION
*NO RESPONSE FROM PCM (PCI BUS)....................................18
*NO RESPONSE FROM PCM (PCM SCI ONLY) ..............................19
*NO RESPONSE FROM SENTRY KEY REMOTE ENTRY MODULE ..............22
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