MICROSCAN User Manual - Snap-on

Contents
Communication Protocols........................................................................................................... 13
What is CAN? ...................................................................................................................... 14
Diagnostic Services Introduction ................................................................................................14
Readiness Monitor Test Status............................................................................................ 14
MIL Status............................................................................................................................ 16
Diagnostic Service Definitions .................................................................................................... 17
Service $01: Display Current Data....................................................................................... 17
Service $02: Powertrain Freeze Frame Data....................................................................... 17
Service $03: Emission-related DTCs ................................................................................... 18
Service $04: Clear/Reset Emission-related Diagnostic Data............................................... 19
Service $05: Oxygen Sensor Monitoring Test Results......................................................... 20
Service $06: Specific Monitored Systems Test Results....................................................... 24
Service $07: Emission-related DTCs detected during Current or
Last Completed Drive Cycle (Pending Codes)..................................................................... 25
Service $08: On-board Activation Tests............................................................................... 26
Service $09: Vehicle Information ......................................................................................... 26
Service $09: In-use Performance Tracking.......................................................................... 26
Chapter 5: Navigation .............................................................................................................. 28
Screen Layout ............................................................................................................................ 28
Trouble Code Screens................................................................................................................ 28
Menu Screens ............................................................................................................................ 29
Main Menu ........................................................................................................................... 30
Global OBD-2/EOBD Menu.................................................................................................. 30
Exit Menu ............................................................................................................................. 31
Data Screens.............................................................................................................................. 32
Text View ............................................................................................................................. 33
Graph View .......................................................................................................................... 34
Screen Messages....................................................................................................................... 35
Loading and Connecting Messages..................................................................................... 35
Confirmation Messages ....................................................................................................... 35
Warning Messages .............................................................................................................. 36
Error Messages.................................................................................................................... 36
Stopping Vehicle Communication............................................................................................... 36
Chapter 6: Data Parameters .................................................................................................... 37
Long Parameter Names ............................................................................................................. 37
Short Parameter Names ...................................................................................................... 41
DTC Association .................................................................................................................. 45
Chapter 7: Operations.............................................................................................................. 49
Global OBD-2/EOBD .................................................................................................................. 49
Readiness Status................................................................................................................. 49
Current Data ........................................................................................................................ 50
Freeze Frame Data.............................................................................................................. 50
Confirmed Codes .................................................................................................................51
Clear Codes ......................................................................................................................... 51
O2 Monitors ......................................................................................................................... 52
Non-Cont. Monitors..............................................................................................................52
Pending Codes .................................................................................................................... 53
vi