Honda 1986 GoldWing GL1200A Manual page 110

Electronic Travel Computer
Troubleshooting
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WIRING: ChecK for continuity In W/Su and
y
IW wires between fuel level sensor
coupler and ETC unit 17P coupler.
Ohmmeter should indicate continuity
between same color and no continuity
between different colors or body ground.
~~ jl.l~-lttDa
\l~,~~.
.
Y/W
,
.
;'
COUPLER: Check ETC unit 1 7P white
coupler for loose contact.
Abnormal
No
Continuity
Continuity
No
Continuity
Normal
Open circuit.
WIRING: Check for continuity between
body ground and W/S and Y/W terminals
of fuel level sensor coupler. Ohmmeter
should indicate no continuity.
No Continuity
Continuity
• Short circuit in wire harness.
WIRING: Check for continuity between
body ground and G/SI terminal of the
sensor coupler. Ohmmeter should indicate
no continuity.
• Faulty ETC unit (try with a known good
ETC unit).
• Poor contact at 17P coupler.
No
Fuel consumption does not decrease on display.
SIGNAUETC UNIT: Disconnect white 3P
coupler resistor on the rear fender.
Check fuel consumption function with
ignition sWitch ON
Fuel consumption display should increase
about 10 liters (2.6 gal) for every 50
seconds.
~
Yes
• Go to AVERAGE SPEED AND TRIP
FUNCTIONS DO NOT OPERATE
(see page 11·6).
Excessive fuel consumption displayed.
• Faulty ETC unit (try with a known
good ETC unit).
SIGNAL/ETC UNIT: Tum ignition switch
ON. Measure voltage between Bu (+) and
GlSI (-) terminals of 17P white coupler.
,........-;
11-10
o
Volts
Battery
Voltage
• Open circuit between ETC unit and
injector.
• Faulty ETC unit.