SCANNERS CHAPTER 6

SCANNER USES RETRIEVE FAULT CODES FOR: POWERTRAIN CONTROL SYSTEMS TRANSMISSION CONTROL SYSTEMS SPEED CONTROL, AIR BAGS ELECTRICAL ACCESSORIES ANTI-LOCK BRAKES SUSPENSION SYSTEMS PERFORM FUNCTION TESTS

DESIGNS HARD WIRED SCANNERS (FIRST ONES NOT UPDATABLE) REMOVABLE MODULES (SOFTWARE) MANUFACTURE SPECIFIC GENERIC MULTIPLE CONNECTOR/ADAPTERS

SNAP-ON SCANNER Page 105L

OTC SCANNER

VERTRONIX MASTERTECH Scanner and Lab Scope

OTC VISION

SCANNER BRANDS OTC 2, 4, 2000, 4000 4000E GENERIC SNAP ON GENERIC TIF GENERIC HICKCOCK NEW GENERATION STAR AND FORD SUPERSTAR KENT MOORE , TECH SERIES GM DRB II AND III MOPAR NISSAN CONSULT

SCANNER USE Must Power up and Ground to vehicle Must Program to vehicle Must make sure correct software Make connections to self test connector Make sure you are connected to correct connector Perform tests in correct sequence

FORD SELF-TEST CONNECTOR Located under hood on earlier cars New OBDII connector located under dashboard Some Ford products have a Malfunction Indicator Light (MIL) Page 277L

GM ASSEMBLY LINE DATA LINK (ALDL) Located under dash 4, 5, 12 terminal connector Each terminal for different function Pg 279L

LATE MODEL GM ALDL D - MIL Light E - Serial Data slow F - TCC G - Fuel Pump H - ABS J - Optional K - Air Bag M Serial Data fast A - Ground B - Diagnostic Req. C - Air Injection D - MIL Light PAGE 279L

CHRYSLER ALDL Located Under Hood Usually near a strut tower or along fender well

NISSAN FLASH CODE TESTING Has no digital code readout Must put PCM into self-diagnostic mode and read flash of led. Page 280L

SCANNER FEATURES Some scanners have built in printer Some scanners have graph or lab scope capabilities Most scanners have “freeze” mode Some scanners have diagnostic information available such as common problems, technical service bulletins ref. Engine Analyzers have scanners also

CODES Single Digit Double Digit Triple Digit OBDII KOEO KOER Continuous

CBC AUTOMOTIVE TECHNOLOGY