Nilfisk-Advance Advance Retriever 2060 Service Manual page 156

' , $ * 1 2 6 7 , & 3 5 2 & ( ' 8 5 ( 6
YES
Repair wire
to pump
Repair
ground
wire
ZENITH FUEL SYSTEMS,
Momentary 12v
at pump when
key is turned
on?
NO
Momentary 12v
from ECU when
key is turned
on?
NO
12v to
ECU?
YES
NO
Ground
continuity?
* D V R O L Q H I X H O S X P S G L D J Q R V L V
YES
Ground
continuity
to frame ?
Repair or
replace pump
Repair 12v
NO
source to
ECU
Replace
YES
ECU
YES
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