Honda HR-V: Symptom Troubleshooting
Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Network Communication - Testing & Troubleshooting / Symptom Troubleshooting
- Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode 1 And Test Mode 2 (Without The HDS)
- Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication And DTC Checks
- Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode C - NO DTCS And Output Won't Shut OFF
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Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode 1
And Test Mode 2 (Without The HDS)
Shift to Test Mode 1
Check the PCM for DTCs and troubleshoot PCM or F-CAN loss of communication
errors first, then do this
diagnosis if the HDS is not available.
1. Check the No. B21 (10 A) fuse in t
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
Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode C - NO DTCS And
Output Won't Shut OFF
Do this diagnosis if a component that is controlled by the B-CAN system does
not stop or turn off.
NOTE :
If the component does not turn on, go to B-CAN System Diagnosis Test
Mode D - Refer to: B
SEE MORE:
DTC U1280 (Keyless Access Backup Control Unit) B-CAN Communication
Bus Line Error (BUS-OFF)
DTC (Backup Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to
follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body
Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial
Communication and DTC Checks.
1. Problem verification.
C
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 the fuel fill cap removed.
The fuel pump should run for 2
seconds when the vehicle is turned to ON
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