Suspension Level Relay; System Inspection - Honda GL1800 Service Manual

Install each swingarm pivot bolt cover.
Install and tighten the mounting bolts.
Install the final gear case (page 12-21).
Install the shock absorber (page 14-18).

SUSPENSION LEVEL RELAY

SYSTEM INSPECTION

Check that the audio system and multi-display func-
tions properly.
Shift the transmission into neutral and make sure
the reverse system is off.
Remove the seat (page 2-5).
Remove the two screws and remove the relay box.
Remove the relay blocks from the relay box.
1. Turn the ignition switch to "OFF" and exchange
the suspension level main relay with a known-
good one.
Turn the ignition switch to "ON" or "ACC" and
operate the manual height switch.
• If the suspension level actuator operates, replace
the suspension level main relay with a new one.
• If the suspension level actuator does not operate,
go to step 2.
2. Turn the ignition switch to "OFF", and exchange
the suspension level UP relay with a known-good
one.
Turn the ignition switch to "ON" or "ACC" and
operate the manual height switch.
• If the suspension level actuator operates, replace
the suspension level UP relay with a new one
and check again using the original suspension
level main relay.
• If the suspension level actuator does not operate,
go to step 3.
3. Turn the ignition switch to "OFF", and exchange
the suspension level DOWN relay a known-good
one.
Turn the ignition switch to "ON" or "ACC" and
operate the manual height switch.
• If the suspension level actuator operates, replace
the suspension level DOWN relay with a new one
and check again using the original suspension
level main relay and UP relay.
• If the suspension level actuator does not operate,
go to step 4.
REAR WHEEL/SUSPENSION
PIVOT OLT COVER
. MAIN RELAY
3. UP RELAY
4. DOWN RELAY
OLTS
ELAY BOX
3 4
14-29