Step 1-Connect And Power-Up Afit - Bosch CH-47976 User Manual

Testing
Step 1—Connect and Power-up AFIT
1. Complete the hookup for the vehicle you are testing. If you are using one of the Direct
Connection methods, make sure you have the required injector harness (or J-Cable Adapter
and J-Cable) and, if required, FPEA cable available, but do not connect it to the vehicle until
instructed to by AFIT.
2. Hang the FMU from the vehicle's hood.
3. Connect the MCU to the vehicle's 12V power port or battery.
4. Turn the MCU ON. AFIT displays the following screens during power-up:
• AFIT screen
• Version information screen
• Power-up/self-test screen
—If AFIT displays CHECK FUSE, unplug the fuel pump cable (if attached). If still
—If AFIT indicates FMU NOT Connected, connect the FMU.
—If AFIT's database (dbase verify) displays FAIL, you will need to restore it using the
—If the vehicle's battery is below 10.5 volts AFIT flashes LOW BATTERY. Recharge the
5. Press ENTER to continue to Vehicle Selection.
Important
If the engine is hot, or after cleaning the injectors, make sure you allow for a cool
down period before you begin testing. A hot soaked engine condition may affect
the test results. Please refer to the vehicle's Service Information/Shop Manual for
recommended temperature ranges during testing.
24 Active Fuel Injector Tester User Guide
displaying CHECK FUSE, check the fuse inside the rear compartment on the MCU.
AFIT PC Application software.
vehicle's battery before continuing.