Honda GL1800 Service Manual page 593

STARTER/REVERSE SYSTEM
8. Reverse Shift Motor Ground Line Continuity Inspection
Check the reverse shift motor (–) (No. 8) circuit at the cruise/reverse control module (page 19-39).
Is there continuity?
NO
YES
9. Reverse Shift Actuator Motor Inspection
Check the reverse shift actuator (page 19-36)
Does the reverse shift actuator test OK?
NO
YES
10. Gear Position Neutral Line Continuity Inspection
Check the gear position (neutral) switch (No. 47) circuit at the cruise/reverse control module
(page 19-39).
Is there continuity?
NO
YES
11. Reverse Shift Switch Line Voltage Inspection
Check the reverse shift switch (No. 23) circuit at the cruise/reverse control module (page 19-39).
Is battery voltage present?
NO
YES
12. Cruise/Reverse Control Module Ground Line Continuity Inspection
Check the ground (No. 20 and 52) circuits at the cruise/reverse control module (page 19-39).
Is there continuity?
NO
YES
19-10
– Open circuit in the Green wire between the control module and ground terminal.
– GO TO STEP 9.
– Faulty reverse shift actuator motor and related circuits.
– Faulty cruise/reverse control module.
– Open circuit in the Light green/red wire between the control module and gear position
switch.
– GO TO STEP 11.
– • Open circuit in the Yellow/white wire between the control module and right handlebar
switch.
• Faulty right handlebar switch (reverse shift switch).
– GO TO STEP 12.
– Open circuit in the Green wire between the control module and ground terminal.
– Faulty cruise/reverse control module.