Honda 1986 GoldWing GL1200A Manual page 150

Cruise Speed Fluctuates Excessively (More Than 5 mph) Immediately After Setting
NOTE: Before troubleshooting, check the throttle valve synchronlzalion.
Ad/ust
synchronization. if necessary.
-
HOSES: Check vacuum hoses for
disconnection. clogging or damage.
Normal
CABLES: Check throttle cables and
junction linkages for smooth operation.
Normal
FREE PLAY: Inspect actuator cable for
free play (see page 13-13).
Normal
ACTUA TOR: Check actuator
(see page 13-13)
Normal
CONTROL VALVE: Check cruise
control valve unit (see page 13-15).
Normal
ONE-WAY VALVE: Check one-way
valve (see page 13-15)
Normal
Abnormal
1 - - - - - - + 0 - •
Faulty vacuum circuit.
Abnormal
Abnormal
1 - - - - -..........
Stiff cable movement or improper
cable free play.
Abnormal
1 - - - - -......
Faulty actuator.
Abnormal
I-----~.
Faulty cruise control valve unit.
Abnormal
1 - - - - -......
Faulty one-way valve.
. . . . . .
.....l~.
Try with a known good ECU.
Cruise Control Is Cancelled Accidently.
SENSOR SIGNAL With ignition switch ON,
measure voltage between BIIY (+) and G
(-) terminals to ECU coupler Voltage
should change
tram
about 9V to less than
1V alternately when rotating front wheel
slowly.
BI:Y 1+)
Abnormal
Abnormal
• Faulty speed sensor,
• Short or open
circuit in wire
harness .
• Poor contact
at coupler.
CANCEL SWITCHES: Check rear brake
and throttle grip cancel switches
for adjustment.
Normal
RELAY: Check for faulty cruise valve
relay (see page 13-13) or poor contact at
relay terminals and fuse/relay box
couplers.
Normal
• Check each cancel switch, brake!
stoplight switch and shift sensor tor
looseness or poor contact.
Abnormal
1 - - - - -..... •
Imprqper switch adjustment.
Abnormal
I - - - - - _ + _ •
Faulty relay or poor contact at
relay terminals.
(cont'd)
13-11