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:
Throttle Body Removal and Installation
Removal
Do not insert your fingers into the installed throttle body when you turn the
vehicle to the ON mode, or while
the vehicle is in ON mode. If you do, you will seriously injure your fingers if
the throttle valve is activated.
NOTE: If you are replacing the throttle body, start at 1st proced
Keyless/Power Door Locks/Security System Symptom Troubleshooting - Security
Alarm System Will Not Arm
NOTE: Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated,
troubleshoot the indicated
DTC first.
1. Switch information check:
Turn the vehicle to the ON mode.
Check the parameter(s) below with the HDS.
Is each switch information OK?
YES
Intermittent failure, the system is OK
