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:
Keyless Access System Symptom Troubleshooting - The Doors Will Not Unlock Or
Lock With The Door Outer Handle Touch Sensor Or Lock Switch, But Will Unlock Or
Lock With The Keyless Remote
1. Keyless access system check.
Turn the vehicle to the ON mode.
Does the system change to ON mode?
YES
Go to step 2.
NO
Go to the keyless access system symptom troubleshooting "Cannot select ON
mode with keyless access
and with the keyless remote touching the engine start/stop switch" - Refer t
DTC U1281, U128D (Keyless Access Power Control Unit)
NOTE:
Refer to the DTC code shown on the display, and then inspect the
connectors and terminals based on the instructions in the table below.
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 powe
