The HFL Messages Cannot Be Heard or Are Weak (With Navigation)
HandsFreeLink System Symptom Troubleshooting - The HFL messages cannot be heard or are weak
The HFL messages cannot be heard or are weak (with navigation)
NOTE: Check the vehicle battery condition first Battery Test.
1. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.
2. Check that the audio system is operating normally and the speaker sound levels from different audio sources (AM/FM, XM, CD, navigation, etc.).
Does the audio system work normally and is the audio output from the speaker normal when playing various audio sources?
YES -
Go to step 3.
NO -
Refer to the audio system symptom troubleshooting.
3. Press and hold the HANG-UP button for more than 5 seconds.
Do you hear the message "The HFT is OK"?
YES -
Intermittent failure, the system is OK at this time.
NO -
Go to step 4.
4. Do the HFL Self-Diagnostic Function, and check for HFL DTCs.
Are there any DTCs indicated?
YES -
Repair the indicated DTCs.
NO -
Go to step 5.
5. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
6. Do the HFL Switch Test HFL Switch Test.
Is the switch OK?
YES -
Go to step 7.
NO -
Replace the audio remote, HFL-navigation voice control switch Overhaul.
7. Remove the center console panel Center Console Panel Removal / Installation.
8. Disconnect the HandsFreeLink control unit 32P connector.
9. Disconnect audio-navigation unit connector B (24P).
10. Check for continuity between HandsFreeLink control unit 32P connector terminals No. 13 and No. 29 and audio-navigation unit connector B (24P) terminals No. 5 and No. 16 respectively.
Is there continuity?
YES -
Go to step 11.
NO -
There is an open in the wire(s) between the HandsFreeLink control unit and the audio-navigation unit. Replace the affected shielded harness.
11. Check for continuity between body ground and audio-navigation unit connector B (24P) terminals No. 5 and No. 16 individually.
Is there continuity?
YES -
There is a short to body ground in the wire(s) between the HandsFreeLink control unit and the audio-navigation unit. Replace the affected shielded harness.
NO -
Go to step 12.
12. Check for continuity between the terminals of audio-navigation unit connector B (24P) according to the table.
Is there continuity between any of the terminals?
YES -
There is a short in the wire(s) between the HandsFreeLink control unit and the audio-navigation unit. Replace the affected shielded harness.
NO -
Substitute a known-good HandsFreeLink control unit Service and Repair, and recheck. If the symptom/indication goes away, replace the original HandsFreeLink control unit Service and Repair. If the symptom/indication is still present, replace the audio-navigation unit Audio-Navigation Unit Removal/Installation.