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5. FUEL INJECTION SYSTEM MXU 500EXi/MXU500i
INSPECTION
Outlook checking
Checking for ECU pin(1-48) if has damage.
Checking for ECU part number if is correct.
3920A-ALC1-E00 is correct-on road
3920A-AAA5-900 is correct-off road
Voltage inspection
Connect the meter (+) probe to the
B4(R/W)wire and the
meter (-) probe to the M3(G/B) wire to
measure the voltage
MAP content (edition issue no.)
Performance confirmed
5-21