Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2004S2000 L4-2.2LREPAIR AND DIAGNOSISCRUISE CONTROLCRUISE CONTROL SERVOTESTING AND INSPECTION
2004 Honda S2000 L4-2.2L
Cruise Control Servo: Testing and Inspection
2004 Honda S2000 L4-2.2LSECTION Testing and Inspection
Cruise Control Actuator Test
1. Disconnect the 4P connector from the cruise control actuator.
2. Remove the actuator cover.
3. Connect battery power to the No.2 terminal of the 4P connector, and connect ground to the No.1 terminal.
4. Check the magnetic clutch for proper engagement. A clicking sound should be heard and the output linkage should be locked.
5. If the output linkage is not locked, replace the cruise control actuator assembly.
6. With power and ground still connected as in step 3, connect battery power to the No.4 terminal and ground to No.3 terminal, and check that the output linkage starts to turn from full closed position and stops at full opened position by the motor in the actuator.
7. Reverse power and ground at connector terminals, No.4 and No.3, and check that the output linkage reverses and stops at the full closed position.
8. If the output linkage moves sluggishly, or the motor does not operate properly, replace the cruise control actuator assembly.
1. Disconnect the 4P connector from the cruise control actuator.
2. Remove the actuator cover.
3. Connect battery power to the No.2 terminal of the 4P connector, and connect ground to the No.1 terminal.
4. Check the magnetic clutch for proper engagement. A clicking sound should be heard and the output linkage should be locked.
5. If the output linkage is not locked, replace the cruise control actuator assembly.
6. With power and ground still connected as in step 3, connect battery power to the No.4 terminal and ground to No.3 terminal, and check that the output linkage starts to turn from full closed position and stops at full opened position by the motor in the actuator.
7. Reverse power and ground at connector terminals, No.4 and No.3, and check that the output linkage reverses and stops at the full closed position.
8. If the output linkage moves sluggishly, or the motor does not operate properly, replace the cruise control actuator assembly.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.