eFI
System
Troubleshooting
(cont'd) - - - - - - - - - - - - - - - - - - - - -
~
POWER TO RElAY: Remove CFt main
relay and measure voltage between
terminal 1 of relay base and ground.
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CFI
malr)
2
relay base
o
Volts
J
DD
=0;,
OOOOl
=
I
i
Battery
Voltage
WIRING: Measure voltage between
o
Volts
terminal 2 of relay base and ground
Battery
Voltage
SENSOR: Check fuel pump shut-off
No Good
sensor (see page 10-32).
Good
•
Faulty ignition switch
•
Faulty engine stop switch
•
Broken or loose subfuse
(5).
•
Poor contact at couplers.
•
Open or short circuit in harness.
•
Broken or loose sUbfuse (91 or 30A fuse.
•
Open or short circuit in wire harness
(W wlrel.
•
Open or short circuit in fuse relay box
(W/R
wire).
•
Poor contact at couplers
•
Faulty fuel pump shut-off sensor.
•
Damaged fuel pump shut-off sensor
wire or poor contact at coupler.
•
Damaged W/R wire in tuse/relay box.
10-8