AV-SCANNER guides
Service function guides
Resets, relearns, calibrations and repairs, step by step. Each guide is free to read here and to download as a branded PDF for the workshop.
Battery Registration
Register a new battery with the battery management system
Battery Replacement Without Data Loss
Keep memory alive while swapping the battery
Charging System Test
Check alternator output, ripple and regulator behaviour
Parasitic Drain Test
Trace what is flattening a parked car's battery
Start-Stop System Service
Find out why start-stop stopped working and restore it
Starter Circuit Diagnosis
Voltage drop test the cranking circuit step by step
Alternator Replacement
Replace an alternator and confirm charging
Starter Motor Replacement
Replace a starter and confirm the repair
Ground Strap Diagnosis
Test grounds and cure strange electrical faults
Fuse and Relay Testing
Test fuses and relays and trace repeat failures
Wiring Repair Best Practice
Make lasting repairs to automotive wiring
CAN Bus Diagnosis
Test network wiring and find a module pulling it down
Module Power and Ground Checks
Prove a control module has what it needs
Jump Starting a Modern Car Safely
Avoid damaging electronics when jump starting
Battery Terminal Corrosion Repair
Clean terminals and stop corrosion returning
Electrical Short Circuit Tracing
Find a short that keeps blowing a fuse
Dead Battery After Parking Diagnosis
Find why a car will not start after a few days
Reading Wiring Diagrams
Follow circuits and symbols with confidence
Use them with the AV-SCANNER
Look up a fault code, run a local diagnosis and open the right guide from the reader's own menus.
