Reverse Relay System Inspection - Honda GL1800 Service Manual

STARTER/REVERSE SYSTEM
REVERSE RELAY
SYSTEM INSPECTION
Make sure that the engine stop switch is turned to
" " and the reverse shift switch is pushed to
"OFF."
Check that the neutral indicator operates properly
(page 20-26).
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 reverse relay with the other good one.
Turn the ignition switch to "ON."
Push the starter/reverse switch and check starter
relay switch A.
• If starter relay switch A clicks, replace the
reverse relay with a new one.
• If starter relay switch A does not click, GO TO
STEP 2.
2. Turn the ignition switch to "OFF" and remove
the reverse relay.
Turn ignition switch to "ON."
Measure the voltage between the Yellow/red
wire terminal (+) of the relay connector and
ground (–).
There should be battery voltage.
• If there is battery voltage, GO TO STEP 3.
• If there is no voltage, check the following:
– open circuit in the Yellow/red and Black/red
– loose or poor contact of the related
– faulty diode (D7) in the reverse regulator
3. Turn the ignition switch to "OFF."
Check for continuity between the Black/red wire
terminal of the relay connector and ground.
There should be continuity.
• If there is continuity, GO TO STEP 4.
• If there is no continuity, check the following:
– open circuit in the Black/red wire between
– faulty diode (D4 or D5) in the reverse regu-
– open circuit in the Green/orange wire
– faulty reverse switch
19-26
wires between the reverse relay and
reverse shift switch
connector
assembly (page 19-28)
the reverse relay and reverse regulator
assembly
lator assembly (page 19-28)
between the reverse regulator assembly
and reverse switch
REVERSE RELA
CONNECTOR
ellow/red
REVERSE RELAY
CONNECTOR
lack/red