TABLE OF CONTENTS
Cautions .............................................................................................................. 1
Safe operation guidelines................................................................................ 1
Product Introduction.......................................................................................... 3
Overview ......................................................................................................... 3
Composite indicator ........................................................................................ 3
Product Structure............................................................................................... 5
Structure diagram............................................................................................ 5
Button function ................................................................................................ 6
Cable Number................................................................................................. 7
Operations Instruction....................................................................................... 8
Functional operation guidelines ...................................................................... 8
Voltage measurement ..................................................................................... 8
Oscilloscope.................................................................................................... 9
Current measurement ..................................................................................... 11
Resistance test................................................................................................ 12
Automotive circuit test ..................................................................................... 13
Car start-up test .............................................................................................. 16
Injector test...................................................................................................... 17
Automobile relay test....................................................................................... 19
Analog signal test............................................................................................ 20
Ignition pulse signal test.................................................................................. 22
K line data ....................................................................................................... 23
CAN bus data.................................................................................................. 25
Frequency measurement ................................................................................ 26
Other Problems .................................................................................................. 27
Software upgrading ......................................................................................... 27
Equipment identification number..................................................................... 27
Maintenance Service.......................................................................................... 28
Maintenance.................................................................................................... 28
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