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:
System Description
TPMS Control Unit Inputs and Outputs for 20P Connector
Wire side of female terminals
System Structure
Once the vehicle speed exceeds 28 mph (45 km/h), the TPMS control unit
monitors all four ...
Front Impact Sensor Replacement
Removal
1. Do t h e battery t e r m i n a l d i s c o n n e c t i o n procedure (see
page 22-91), t h e n w a i t at least 3 m i n u t e s before
s t a r t i ng work.
2. Remove t h e f r o n t b ...
Moonroof Control Unit input Test
NOTE; If the moonroof works OK manually, but will not work in AUTO, or
reverses frequently (obstacle detection), reset
the moonroof (see page 22-371) before proceeding with the input test
1. Turn ...