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HOMESERVICE MANUALSHONDA2006S2000 L4-2.2LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSSENSORS AND SWITCHES - COMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORSERVICE AND REPAIRCKP SENSOR REPLACEMENT
2006 Honda S2000 L4-2.2L

CKP Sensor Replacement

2006 Honda S2000 L4-2.2LSECTION CKP Sensor Replacement



CKP Sensor Replacement




1. Remove the CKP sensor (A).
2. Disconnect the CKP sensor 3P connector (B).
3. Install the sensor in the reverse order of removal with a new O-ring (C).
4. Do the CKP pattern clear/pattern learn procedure below.

Crank (CKP) Pattern Clear/Crank (CKP) Pattern Learn

Clear/Learn Procedure (with the HDS)




1. Connect the HDS to the data link connector (DLC) (A) located behind the driver's side of the front console.
2. Turn the ignition switch ON (II).
3. Make sure the HDS communicates with the ECM. If it doesn't, go to the DLC circuit troubleshooting.
4. Select CRANK PATTERN in the ADJUSTMENT MENU with the HDS.
5. Select CRANK PATTERN LEARNING with the HDS, and follow the screen prompts.

Learn Procedure (without the HDS)

1. Start the engine. Hold the engine speed at 3,000 rpm without load (in neutral) until the radiator fan comes on.
2. Test-drive the vehicle on a level road: Decelerate (with the throttle fully closed) from an engine speed of 2,500 rpm down to 1,000 rpm with the transmission in 1st gear.
3. Repeat step 2 several times.
4. Turn the ignition switch OFF.
5. Turn the ignition switch ON (II), and wait 30 seconds. The CKP pattern learn procedure is complete.
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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.