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:
Ignition System
Component Location Index
SPARK PLUG
Inspection
IGNITION COIL
Ignition Timing Inspection
Removal/Installation
Circuit Diagram
Ignition Timing Inspection
1. Connect the Honda Diagnostic System (HDS) to the
data link connector (DLC).
2. Turn the ignition switch
Horns
Component Location Index
HORN
HORN SWITCH
HORN RELAY CIRCUIT
(Built into the MICU)
CABLE REEL
UNDER-DASH FUSE/RELAY BOX
Circuit Diagram
Horn Switch Test
1. Remove the steering column covers.
2. Disconnect the dashboard wire harness 20P
connector (A) from the cable reel (B).
3. Usin
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