Civic HX Coupe L4-1668cc 1.7L SOHC (VTEC-E) MFI (2001)
Leak Detection Sensor: Testing and Inspection
How to Set Readiness Codes
EVAP Leak Monitor Code
NOTE:
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When the battery negative cable is disconnected, all readiness codes are cleared.
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When the ECM/PCM is cleared with the OBD II scan tool or Honda PGM Tester, all readiness codes are cleared.
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If the engine is stopped between steps 6 and 16, do the entire procedure.
1. Make sure the gasoline level is 60 - 90 percent of fuel tank capacity (not full).
2. Turn the ignition switch OFF.
3. Let the vehicle sit more than 8 hours.
4. Make sure the outside temperature is 20 - 95 °F (-7 - 35 °C).
5. Connect the scan tool to the Data Link Connector (DLC).
6. Start the engine, and drive for about 20 minutes.
7. Keep the vehicle at a steady speed between 50 - 70 mph (80 - 114 km/h), without moving the accelerator pedal, for about 1 minute.
8. Stop the vehicle (do not stop engine).
9. Repeat steps 7 and 8 two more times.
10. Check for the readiness code with the scan tool. If the readiness code does not set, go to step 11.
11. When ambient temperature is less than 32 °F (0 °C), hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes
on.
12. Remove the fuel fill cap, then reinstall it.
13. Drive for about 20 minutes on a highway.
14. Keep the vehicle at a steady speed between 50 - 70 mph (80 - 114 km/h), without moving the accelerator pedal, for about 1 minute.
15. Stop the vehicle (do not stop the engine).
16. Repeat steps 14 and 15 two more times.
17. Check for the readiness code with the scan tool.