Honda HR-V: Hard To Start Engine Diagnostic Interview
Hard-to start condition - Possible cause pattern chart from diagnostic interview
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FUEL CAP WARNING MESSAGE STAYS ON (MIL WORKS OK, NO DTCS SET) (KA/KC)
Diagnostic procedure
Do the troubleshooting procedure for DTC P0455 and P0456, refer to appropriate DTC. Fuel and Emissions Systems DTC Troubleshooting Index (KA/KC)if the fuel cap warning message comes on frequently, or if the message does not go off after the fuel fill cap is tightened and the vehicle is driven several days.
NOTE Fuel cap warning message is monitored during the engine off natural vacuum (EONV) testing.
FUEL OVERFLOWS DURING REFUELING (NO DTCS SET) (KA/KC)
Diagnostic procedure
1. Refer to appropriate fuel tank removal procudure, Removal & Installation
Also check for
Malfunctioning gas station filling nozzle
Circuit Diagram
FUEL AND EMISSIONS SYSTEMS CIRCUIT DIAGRAM
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Troubleshooting
FUEL PUMP CIRCUIT TROUBLESHOOTING
If you suspect a problem with the fuel pump, check that the fuel pump
actually runs; when it is on, you will hear
some noise if you listen to the fuel fill port with
Fuel Pressure Relieving
Procedure
NOTE:
Before disconnecting fuel lines or hoses, relieve pressure from the
system by disabling the fuel pump and
disconnecting the fuel line/quick connect fitting in the engine compartme
SEE MORE:
Component Location Index
A/T GEAR POSITION INDICATOR COMPONENT LOCATION INDEX (CVT)
Without paddle shifter
With paddle shifter
A/T INTERLOCK SYSTEM COMPONENT LOCATION INDEX (CVT)
CVT DIFFERENTIAL COMPONENT LOCATION INDEX (CVT)
CVT SYSTEM COMPONENT LOCATION INDEX (CVT)
TRANSFER ASSEMBLY COMPONENT LOCATION INDEX (CVT)
DTC U128D (Keyless Access Backup Control Unit) Backup Control Unit
Lost Communication With Gauge Control Module
NOTE: The DTC may be stored due to the grounding failure or the power source
failure at the transmitting
control unit (the grounding inspection and the power source inspection on each
control unit are required prior to
this checking process).
DTC (Backup Control Unit)
NOTE: If you are troubleshoo
