Kawasaki VULCAN 1600 CLASSIC (2003) [135/575] Ecu grounding inspection

Kawasaki VULCAN 1600 CLASSIC (2003) [135/575] Ecu grounding inspection
FUEL SYSTEM (DFI) 3-77
ECU
With the ECU connector [A] joined, check the following
ground leads for continuity with the ignition SW ON or
OFF, using a digital voltmeter [D].
ECU Grounding Inspection
Meter Connections:
10, 20, 32, or 42 (BK/Y)
←→
Battery (–) Terminal
Terminal
21 (BR/BK) Terminal
←→
Battery (–) Terminal
Engine Ground
←→
Battery (–) Terminal
Terminal [B]
Readings:
0 (regardless of the ignition SW ON
or OFF)
If no continuity, check the connector, the engine ground
lead, or main harness, and repair or replace t hem if nec-
essary.
Battery [C] in the Frame
Special Tool - Needle Adapter Set: 57001-1457
Check the power source voltage of the ECU with a digital
voltmeter.
ECU Power Source Inspection
Meter Connection: between 30 (W/R) Terminal and
Battery (–) Terminal
Ignition SW OFF:
0V
Ignition SW ON: Battery Voltage (12.5 V or more)
If the voltmeter does not read as specified, check the fol-
lowing:
Power Source Wiring (see w iring diagram of DFI Power
Source section i n this chapter).
DFI Fuse 15 A (see DFI Power Source section)
DFI Main Relay (see DFI Power Source section)
Ignition Fuse 10 A (see Electrical System chapter)
If the inspection checks good, the EC U is damaged. Re-
place the ECU. The ECU itself cannot be checked or ser-
viced.

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