Honda GL1800 Service Manual page 690

6. Engine Speed Pulse Line
Check the engine speed pulse (No. 21) line at the cruise/reverse control module (page 21-9).
Does the engine speed pulse (No. 21) line function as specified?
NO – Open circuit in the Yellow/green wire between the cruise/reverse module and engine con-
trol module (ECM).
YES – GO TO STEP 7.
7. Cruise Actuator Clutch Line
Check the cruise actuator clutch (No. 30) line at the cruise/reverse control module (page 21-9).
Does the cruise actuator clutch (No. 30) line function as specified?
NO – • Faulty cruise actuator clutch (page 21-16).
• Open or short circuit in the Brown/black wire between the cruise/reverse control module
and cruise actuator.
• Open circuit in the Green wire between the cruise actuator and ground terminal.
YES – GO TO STEP 8.
8. Cruise Cancel Switch Line
Check the cruise cancel switch (No. 31) line at the cruise/reverse control module (page 21-9).
Does the cancel switch (No. 31) line function as specified?
NO – GO TO STEP 13.
YES – GO TO STEP 9.
9. Brake Light Line
Check the brake light (No. 35) line at the cruise/reverse control module (page 21-9).
Does the brake light (No. 35) line unction as specified?
NO – Faulty brake light system.
YES – GO TO STEP 10.
10. Cruise Actuator Motor A Line
Check the cruise actuator motor A (No. 33) line at the cruise/reverse control module (page 21-9).
Does the cruise actuator motor A (No. 33) line function as specified?
NO – • Faulty cruise actuator motor (page 21-16).
• Open circuit in the Blue wire between the cruise/reverse control module and cruise
actuator.
• Open circuit in the Brown/white wire between the cruise/reverse control module and
cruise actuator.
YES – GO TO STEP 11.
11. Cruise Actuator Motor B Line
Check the cruise actuator motor B (No. 39) line at the cruise/reverse control module (page 21-9).
Does the cruise actuator motor B (No. 39) line function as specified?
NO – • Faulty cruise actuator motor (page 21-16).
• Open circuit in the Yellow wire between the cruise/reverse control module and cruise
actuator.
YES – GO TO STEP 12.
12. Cruise Actuator Motor C Line
Check the cruise actuator motor C (No. 45) line at the cruise/reverse control module (page 21-9).
Does the cruise actuator motor C (No. 45) line function as specified?
NO – • Faulty cruise actuator motor (page 21-16).
• Open circuit in the Light green wire between the cruise/reverse control module and
cruise actuator.
YES – Faulty cruise/reverse control module.
CRUISE CONTROL SYSTEM
21-7