Honda 1986 GoldWing GL1200A Manual page 74

CFI System
~roubleshooting (~nt'~~~~~~~~~~~~~~~~~~~~~~
Afterflre
Check the following items before using this
chart.
1)
Spark plugs.
2) Secondary air supply system.
31
Secondary air leaking at Intake system.
41 Loose exhaust pipe joints
9
ry aulty
E
LED's: Check LED's on ECU with engine
Led's ON
FAULTY PART: Inspect system or parts
running.
Indicated.
Led's OFF
t
Normal Part
•
Faulty ECU. Try with a known good ECU.
INJECTORS: Inspect each injector (see
Abnormal
page 10-20).
•
Faulty injector or wires.
Normal
TIMING: Check ignition timing (see
Abnormal SENSORS: Check ignition timing related
page 7-5).
sensors /PBR/PBL, Ns.
f)
th, GR/GL, TW
sensors).
Normal
~
Normal
•
Faulty ECU Try with
a
known goodl ECU.
FUEL PRESSURE: Check fuel pressure
Abnormal
Isee page 10-20).
•
Go to FUEL PRESSURE
TROUBLESHOOTING
Normal
(see page 10-9).
HOSES: Check PB sensor hoses for
Abnormal
blockage With vacuum pump (see
•
Follow procedures
page 10-l8). on page 10-18.
Normal
PB SENSORS: Check each PB sensor
Abnormal
Faulty PB sensor.
(see page 10-22).
•
Normal
WIRING: Check each sensor for poor
Abnormal
Poor contact
at
coupler.
•
contact at coupler or broken wire.
•
Open or shari circuil in harness.
Normal
•
F
CU.T with a known ood ECU.
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