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
READ NEXT:
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:
Transfer Assembly Inspection/Disassembly/Reassembly
Inspection
1. Set the dial indicator (A) on the companion flange
(B).
2. Measure the transfer gear backlash.
Standard: 0.06-0.16 mm (0.02-0.06 in.)
3. Secure the transfer housing (A) in a bench vise (B)
with soft jaws. To prevent damage to the transfer
housing, always use soft jaws or equivalent
m
Relay and Control Unit
Locations
Engine Compartment
VSA MODULATOR-CONTROL UNIT
AUXILIARY UNDER-HOOD
RELAY BOX
POWER MIRROR
DEFOGGER RELAY
PCM
RADIATOR FAN RELAY
ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS) CONTROL RELAY
ELD UNIT
PGM-FI MAIN RELAY 1 (FI MAIN)
UNDER-HOOD FUSE/RELAY BOX
FAN CONTROL RELAY
BLOWER MOTOR RELAY
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