COMPUTERS RELATED TO AUTOBODY REPAIR. TYPES OF COMPUTERS SYSTEMS n WITH DIAGNOSTIC CODES –TROUBLE...
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Transcript of COMPUTERS RELATED TO AUTOBODY REPAIR. TYPES OF COMPUTERS SYSTEMS n WITH DIAGNOSTIC CODES –TROUBLE...
COMPUTERS RELATED TO COMPUTERS RELATED TO AUTOBODY REPAIRAUTOBODY REPAIR
TYPES OF COMPUTERS SYSTEMS
WITH DIAGNOSTIC CODES– TROUBLE CODES READ FROM SYSTEM– DIAGNOSTIC CONNECTOR– ABS, AIR BAG, PCM,BCM
WITHOUT DIAGNOSTIC CODES– NOT CODE READABLE– PIN POINT CHECKS– CRUISE CONTROL, ENTERTAINMENT
RETRIEVING DIAGNOSTIC CODES
Diagnostic Methods– Counting flashes– Reading codes on scan tool– Clear codes– Road Test Vehicle– Re-read codes again– Refer to Diagnostic Flow Charts– Clear codes after repair
Diagnosis and Testing
Flash Code Scan Tool Breakout Box Pinpoint checks with DVOM Instrument control diagnostics Current codes (Hard codes) Memory codes Service Manual necessary
Memory Saver
Maintains computer memory when battery is disconnected
Must record info from radio, seat, climate control and other driver programmable electronic equipment
Air Bag circuits may still be active– disconnect air bag module
Clearing Codes
Disconnect negative battery cable remove system fuse turn ignition key off Use scan tool or specialty tester
Reprogramming Computers
Re-key radio settings seat position climate control other equipment
Test Drive
After Body Damage Repair– Once dash light goes out after repair– Test drive vehicle at slow and highway
speeds, stop and go, accel and decel.– If no light, problem is repaired