CKP Pattern Clear/CKP Pattern Learn Procedure: Procedure
Clear/Learn Procedure (with the HDS)
- HDS - Connect
1. Press the engine start/stop button to select the ON mode, but do not start the engine. 2. Connect the HDS to the DLC (A) located under the driver's side of the dashboard.
3. Make sure the HDS communicates with the PCM and other vehicle systems. If it doesn't, go to the DLC circuit troubleshooting
.
- CKP Pattern - Clear/Learn
1. Select CRANK PATTERN in the ADJUSTMENT MENU with the HDS. 2. Select CRANK PATTERN CLEAR with the HDS, and clear the CKP pattern.
3. Select CRANK PATTERN LEARNING with the HDS, and follow the screen prompts.
Learn Procedure (without the HDS)
- CKP Pattern - Learn
1. Start the engine. Hold the engine speed at 3, 000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan comes on. 2. Test-drive the vehicle on a level road.
- R20A5 engine: Decelerate (with the throttle fully closed) from an engine speed of 4, 000 min -1 (rpm) down to 1, 500 min -1 (rpm) with the transmission in D.
- K24Z7 engine: Decelerate (with the throttle fully closed) from an engine speed of 4, 000 min -1 (rpm) down to 1, 500 min -1 (rpm) with the transmission in 2nd.
- K27V7 engine: Decelerate (with the throttle fully closed) from an engine speed of 4, 000 min -1 (rpm) down to 1, 100 min -1 (rpm) with the transmission in 2nd.
3. Repeat step 2 several times.
4. Press the engine start/stop button to select the OFF mode.
5. Press the engine start/stop button to select the ON mode, and wait 30 seconds. The CKP pattern learn procedure is complete.