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:
Handsfreelink System Symptom Troubleshooting - HFL Does Not Respond (Without
Navigation, Display Audio Type (7-inch Screen) )
NOTE:
Check the vehicle 12 volt battery condition first.
You must be able to duplicate the customer's concern to successfully
diagnose the problem. If you cannot duplicate the issue, have the customer
demonstrate it.
Check the connectors for poor connections or loose terminals.
1. HFL switc
Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A
- Initial Communication And DTC Checks
Check the PCM for DTCs and troubleshoot PCM or F-CAN loss of communication
errors first, then do this
diagnosis if the symptom is related to the B-CAN system.
1. Compare the symptom with this list of B-CAN related systems:
Audio and audio-navigation
Gauge control module
Exterior lights
T
