Bluetooth audio does not work (with navigation)
- Before doing this troubleshooting, refer to GENERAL TROUBLESHOOTING INFORMATION to make sure the phone is compatible and configured correctly. You can also check online at www.acura.com/handsfreelink, or call the HFL support desk at 888-528-7876.
- Check the vehicle battery condition first (see BATTERY TEST ).
- Check the connectors for poor connections or loose terminals.
- Check if the cell phone with Bluetooth audio functions normally.
- Make sure the ceil phone is properly paired.
- Turn the ignition switch to ON (II).
- Turn on the audio-navigation unit, and press USB/AUX button to select Bluetooth audio source.
Does it change to Bluetooth Audio source?
YES -Go to step 3.
NO -Substitute a known-good audio-navigation unit (including the HDD) (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).
- Check if the cell phone with Bluetooth audio can be played on the audio system.
Does the Bluetooth audio play?
YES -Intermittent failure, the audio-navigation unit is OK at this time.
NO -Go to step 4.
- Go to www.acura.com/handsfreelink and make sure the phone is compatible for Bluetooth audio and properly configured. Once the issue is confirmed, call 888-528-7876 to make sure there are no known issues for the cell phone.
- Pair the cell phone to a known-good vehicle and check if you can play music using Bluetooth audio.
Does the Bluetooth audio play?
YES -Go to step 6.
NO -The cell phone is faulty or not compatible with Bluetooth audio.
- Connect the HDS to the DLC (see HOW TO CHECK FOR DTCS WITH THE HDS
). Check for HFL DTCs.
Are there any DTCs indicated?
YES -Go to HFL DTC troubleshooting.
NO -Go to step 7.
- Check for the navigation system hard error codes (see
HOW TO CHECK ERROR HISTORY (NAVIGATION DTCS)
).
Are there any navigation DTCs related to the Display systems?
YES -Go to step 8.
NO -Go to step 11.
- Turn the ignition switch to LOCK (0).
- Disconnect audio-navigation unit connector B (24P) and the HandsFreeLink control unit 28P connector (see step 2 on ).
- Check for continuity between audio-navigation unit connector B (24P) and the HandsFreeLink control unit 28P connector according to the table.
Audio-Navigation unit connector HandsFreeLink control unit connector Wire color GA-NET BUS B+ B19 No. 4 GRN GA-NET BUS B- B18 No. 5 RED Courtesy of AMERICAN HONDA MOTOR CO., INC.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Substitute a known-good HandsFreeLink control unit (see HANDSFREELINK CONTROL UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original HandsFreeLink control unit (see HANDSFREELINK CONTROL UNIT REMOVAL/INSTALLATION ).
NO -There is an open in the wire(s) between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.
- Turn the ignition switch to LOCK (0).
- Disconnect these items:
- Audio-Navigation unit connector B (24P)
- Navigation display unit 28P connector
- HandsFreeLink control unit 28P connector
- Check for continuity between body ground and the HandsFreeLink control unit 28P connector according to the table.
HandsFreeLink control unit connector Wire color GA-NET BUS B+ No. 4 GRN GA-NET BUS B- No. 5 RED Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -There is a short to body ground in the wire(s) between the audio-navigation unit, the navigation display unit, and the HandsFreeLink control unit. Replace the affected shielded harness.
NO -Go to step 14.
- Check for continuity between audio-navigation unit connector B (24P) and the HandsFreeLink control unit 28P connector according to the table.
Audio-Navigation unit connector HandsFreeLink control unit connector Wire color GA-NET BUS B+ B19 No. 4 GRN GA-NET BUS B- B18 No. 5 RED Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES -Go to step 15.
NO -There is an open in the wire(s) between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.
- Check for continuity between the terminals of the HandsFreeLink control unit 28P connector according to the table.
From terminal To terminals No. 19 (BRN) No. 4 (GRN), No. 5 (RED) Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity between any of the terminals?
YES -There is a short in the wires between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected shielded harness.
NO -Go to step 16.
- Reconnect audio-navigation unit connector B (24P) and the HandsFreeLink control unit 28P connector.
- Turn the ignition switch to ON (II).
- Check if the cell phone with Bluetooth audio can be played.
Does the Bluetooth audio play?
YES -Intermittent failure, the system is OK at this time. Check for loose or poor connections at the navigation display unit.
NO -Go to step 19.
- Turn the ignition switch to LOCK (0).
- Disconnect the HandsFreeLink control unit 28P connector (see step 2 under HANDSFREELINK CONTROL UNIT REMOVAL/INSTALLATION ).
- Reconnect the navigation display unit 28P connector.
- Turn the ignition switch to ON (II).
- Check the operation of the navigation display unit.
Is the system normal?
YES -Substitute a known-good HandsFreeLink control unit (see HANDSFREELINK CONTROL UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original HandsFreeLink control unit (see HANDSFREELINK CONTROL UNIT REMOVAL/INSTALLATION ).
NO -Substitute a known-good audio-navigation unit (including the HDD) (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).