User Manual

28
MAXIMUS User's Manual
3 How to diagnose
3.1 Preparation and Connections
3.1.1 Preparation
Normal testing conditions1.
Turn on the vehicle power supply.•
Vehicle battery voltage range should be 9-14V and working voltage of •
MAXIMUS is 12V.
Throttle should be closed at its close position. •
Ignition timing and idle speed should be within specified range; water •
and transmission oil temperature are within normal working range (water
temperature is 90-110
℃
and transmission oil temperature is 50-80
℃
).
Select testing connectors2.
If MAXIMUS is testing vehicles equipped with universal OBD II 16 PIN diagnostic
socket, please use the included diagnostic connector. (For vehicles with non-
OBD II 16 PIN diagnostic socket, a non-16 PIN connector is required.)
3.1.2 Connecting MAXIMUS
Follow the steps described as below to connect MAXIMUS:
Locate vehicle’s DLC socket: it provides standard 16 pins and is generally 1.
located on driver’s side, about 12 inch away from the center of dashboard.
See the following gure. If DLC is not equipped under dashboard, an label
indicating its position will be given. In case no DLC is found, please refer to
Automobile Repair Manual.
Near the center
of dashboard
2. Plug the diagnostic connector into the vehicle’s DLC. It is suggested to use
the OBD II extension cable to connect the DLC and the diagnostic connector;
3. If you need to choose diagnosing via cable, please connect one end of the