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Fuel injection
Disconnect the digital instrument.
Keep the control unit disconnected.
Check continuity of the wire from the control
unit to the digital instrument.
Yellow (terminal 4/12) - 3 = 0 Ω (continuity)
NO
Disconnect the connection between
the vehicle system and the fuel
injection system.
Repeat continuity control of the two
wires.
Terminal 4/12-yellow = 0 Ω (continuity)
Yellow-3 = 0 Ω (continuity)
YES
Reset or replace the harness.
Check the earthing isolation of wire
3 - 23 >1MΩ (isolation)
Repair or replace the harness.
YES
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