RDX L4-2.3L Turbo (2008)
Is there continuity?
YES - Repair short to body ground in the wire between HandsFreeLink control unit and audio unit.
NO - Substitute a known-good HandsFreeLink control unit and recheck. If symptom goes away, replace the original HandsFreeLink control unit.
If the symptom does not go away, replace the audio unit.
14. Turn the ignition switch to LOCK (0).
15. Disconnect the HandsFreeLink control unit 22P connector and HFL switch 7P connector.
16. Check for continuity between HandsFreeLink control unit 22P connector No. 2 terminal and HFL switch 7P connector No. 4 terminal.
Is there continuity?
YES - Refer to HFL Switch Test See: Component Tests and General Diagnostics/HFL Switch Test.
NO - Repair open in the wire between HandsFreeLink control unit and HFL switch.
