Honda CR-V: DTC Troubleshooting
- DTC P0443: EVAP Canister Purge Valve Circuit Malfunction
- DTC P0451: FTP Sensor Range/Performance Problem
- DTC P0453: FTP Sensor Circuit High Voltage
- DTC P0455/P0456: EVAP System Large Leak Detected/Very Small Leak Detected
- DTC P0457: EVAP System Leak Detected/Fuel Fill Cap Loose or Missing
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DTC P0443: EVAP Canister Purge Valve
Circuit Malfunction
Special Tools Required
Vacuum pump/gauge, 0-30 in.Hg, Snap-on YA4000A
or equivalent, commercially available.
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and revie
DTC P0451: FTP Sensor Range/Performance
Problem
NOTE:
Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the general troubleshooting information.
If DTC P2422 is stored at the same time as DTC P0451,
trouble
DTC P0453: FTP Sensor Circuit High Voltage
NOTE: Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the general troubleshooting information.
1. Turn the ignition switch ON (II).
2. Clear the DTC with the H
SEE MORE:
DLC Circuit Troubleshooting
NOTE: Make sure the HDS and the DLC cable of the
HDS is not defective.
1. Turn the ignition switch OFF.
2. Connect the HDS to the DLC.
NOTE: Make sure the HDS is properly connected to
the DLC.
3. Turn the ignition switch ON (II). and read the HDS.
Does the HDS identify the vehicle?
YES-Go to ste
Check Fuel Cap Message
Your vehicle’s onboard diagnostic
system will detect a loose or missing
fuel fill cap as an evaporative system
leak. The first time a leak is detected
a ‘‘CHECK FUEL CAP’’ message
appears on the information display.
Turn the engine off, and confirm the
fuel fill cap is insta
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