Honda Accord: HFL System Troubleshooting
NOTE: • Before doing this troubleshooting, refer to General Troubleshooting Information (see page 23-254) to make sure the phone is compatible and configured correctly.
• You must be able to duplicate the customer's concern to successfully diagnose the problem.
• Always use the customer's phone.
• Make sure the phone is approved and configured correctly. Online, go to www.handsfreelink.honda.com, or call the HFL support desk at 888-528-7876.
1. Connect the HDS to the DLC.
2. Turn the ignition switch to ON (II).
3. Check for DTCs.
Are any DTCs indicated? YES
-Repair the indicated DTCs and recheck.
NO
-Go to step 4.
4. Try to duplicate the problem.
Can you duplicate the problem? YES-Go to step 5.
NO-The system is OK at this time.
5. Pair the phone to a known-good vehicle (same model, year, and trim), and try duplicate the problem.
Does the phone have the same problem on the known-good vehicle? YES
-Call the HFL support desk at 888-528-7876 to make sure the phone is configured correctly and has the correct software. Ifthe phone is configured correctly, it is either a characteristic of the HFL system, or a characteristic of the particular approved phone being used. Explain to your customer that this is a system characteristic. Another phone from the approved phone list may give more favorable results.
NO
-Substitute a known-good HandsFreeLink control unit and recheck. Ifthe problem goes away, replace the original HandsFreeLink control unit (see page 23-281 ).
System Description
HandsFreeLink Control Unit Inputs and Outputs
HandsFreeLink Control Unit 28P Connector
*l:The shielded wires have a heat-shrink tube insulating the outside of the
wire. The color of the insula ...
Circuit Diagram
...
See also:
Electrical Compass Unit Input
Test
1. Remove the rear shelf (see page 20-128).
2. Loosen the bolts (A), then pull out the electrical compass unit bracket (B).
3. Disconnect the 6P connector (C) and remove the mounting bolt ( D ) ...
Fuel Fill Pipe Removal/Installation
1. Drain the fuel tank (see page 11-309).
2. Remove the fuel fill cap.
3. Remove the left rear wheel.
4. Remove the fuel fill pipe cover (A).
5. Disconnect the quick-connect fittings (A) ( ...
HVAC Control Power and Ground
Circuit Troubleshooting
1. Check the No. 16 (7.5 A) fuse in the driver's
under-dash fuse/ relay box.
Is the fuse OK?
YES-Go to step 2.
NO-Replace the fuse, and recheck. If the fuse blows
again, check for a short in ...