Honda 1986 GoldWing GL1200A Manual page 73

Poor performance at medium and high speeds.
Check the following items before uSing this chart·
1) Clogged air cleaner
2)
Spark plugs.
3) Cylinder compression.
4) Routing of sensor tubes
5) Loose battery terminals.
6)
Poorly connected ground.
7) Clogged pressure regulator tubes.
LED's: Check LED's on ECU with engine
running
LED's OFF
LED's ON
r
Normal
• Faulty ECU Try with a known good ECU.
I
INJECTORS: Inspect each injector (see
page 10-201
Normal
FUEL PRESSURE: Measure fuel pressure
(see page 10-20).
Normal
THROTILE SENSOR; Inspect throttle
sensor (see page 10-24).
Normal
PB SENSOR: Inspect each PB sensor
(see page 10-22).
!
Normal
Abnormal
Abnormal
Abnormal
Abnormal
• Faulty Injector or wires.
• Go to FUEL PRESSURE
TROUBLESHOOTING
(see page 10-9)
• Faulty or incorrectly adjusted throttle
sensor.
• Faulty PB sensor.
HOSES: Inspect PB sensor hoses for
blockage.
r
Clear
~..:B:.:I.=.oc.:.;k;,;.:e:.:d~+-.
Incorrect vacuum applied to PB sensor.
WIRING: Check each sensor and ECU for
poor contact at connectors or broken
wires.
-1
Normal
Abnormal
(cont'd)
• Poor contact at connector.
• Open or short circuit in hamess.
• Faulty ECU. Try with
a
known goodlECU.
10-13