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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)
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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
VERTRONIX MASTERTECH Scanner and Lab Scope
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