P.13A-6 - LIL EVO

MULTIPORT FUEL INJECTION (MFI)13A-9MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS• For misfiring or a fuel trim malfunction, when driving conditions (engine speed, engine coolant temperature,etc.) are similar to those when the malfunction was first recorded.NOTE: Sensor 1 indicates the sensor mounted at a position closest to the engine, and sensor 2 indicates thesensor mounted at the position second closest to the engine.HOW TO CONNECT THE SCAN TOOL (MUT-lll)16-PINMB991824MB991827MB991911AK204071ABRequired Special Tools:• MB991958: Scan Tool (MUT-lll Sub Assembly)• MB991824: V.C.I• MB991827: USB Cable• MB991911: Main Harness BCAUTIONTo prevent damage to scan tool MB991958, always turn theignition switch to the "LOCK" (OFF) position before connectingor disconnecting scan tool MB991958.1. Ensure that the ignition switch is at the "LOCK" (OFF)position.2. Start up the personal computer.3. Connect special tool MB991827 to special tool MB991824and the personal computer.4. Connect special tool MB991911 to special tool MB991824.5. Connect special tool MB991911 to the data link connector.6. Turn the power switch of special tool MB991824 to the "ON"position.NOTE: When the special tool MB991824 is energized, specialtool MB991824 indicator light will be illuminated in agreen color.7. Start the MUT-Ill system on the personal computer.NOTE: Disconnecting the scan tool MB991958 is thereverse of the connecting sequence, making sure that theignition switch is at the "LOCK" (OFF) position.16-PINHOW TO READ AND ERASE DIAGNOSTICTROUBLE CODE.Required Special Tool:• MB991502: Scan Tool (MUT-II)CAUTIONTo prevent damage to scan tool MB991502, always turn theignition switch to the "LOCK" (OFF) position before connectingor disconnecting scan tool MB991502.NOTE: If Battery positive voltage is low, diagnostic troublecodes may not be output. Be sure to check the battery andcharging system before continuing.MB991502AK204070ABTSB Revision