LAUNCH                 EasyDiag user’s manual 
Precautions on operating vehicle’s ECU 
z  Do n
ot disconnect the vehicle inner consume when the ignition 
switch is on, so as to avoid the sensors or the ECU damage. 
z  Do not pla
ce the magnetic object near the ECU in order to 
avoid the failure of the circuitry and components.   
z  Do cut o
ff the power supply of ECU system before welding on 
the vehicle. 
z  Pay 
more attention to the ECU and the sensors when the 
operation is next to them. 
z  Ground y
ourself when you disassemble PROM, otherwise 
ECU and sensors will be damaged by static electricity. 
z  Do con
nect ECU harness connector firmly, otherwise 
electronic elements, such as IC inside ECU, will be damaged.   
 
Precautions on operation 
z  The inst
rument is a precision electronic instrument. Pay more 
attention when in use, do not have it dashed.   
z  The equ
ipment power is supplied by 12v battery voltage; do 
not use other voltage power. 
z  T
urn off the ignition switch when connect or disconnect the 
diagnostic connector.   
z  Please
 put the EasyDiag in its place on the back of the 
protective casing in order to avoid lost.   
 
 
i