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:
Vanity Mirror Light Test/Replacement
1 . Remove the sunvisor (see page 20-135).
2. Disconnect the 2P connector (A) from the sunvisor (B).
Vanity Mirror Light: 1.1 W x 2
3. Check for continuity between terminals No. 1 and No.
2. ...
MICU Input Test
NOTE:
# Before t e s t i n g , t r o u b l e s h o o t the m u l t i p l e x i n t e g
r a t e d control unit first, using B-CAN System D i a g n o s i s Test Mode A
(see page 22-134).
• B ...
DTC Troubleshooting
DTC P0122: TP Sensor A Circuit Low Voltage
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. ...