Are any HFL DTCs indicated?
YES -
Do the HFL DTC troubleshooting.?
NO -
Go to step 9.
9. Do the B-CAN test mode A See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and
Inspection/Component Tests and General Diagnostics/Troubleshooting - B-CAN System Diagnosis Test Mode A, and check the
communication with the HandsFreeLink control unit.
Does the HandsFreeLink control unit communicate with the HDS?
YES -
Go to step 10.
NO -
Go to HandsFreeLink control unit troubleshooting.?
10. Disconnect the HandsFreeLink control unit 28P connector, and audio-navigation unit connector C (28P).
11. Check for continuity between body ground and HandsFreeLink control unit 28P connector terminals No. 6, No. 7, No. 20 and No. 21
individually.
Is there continuity?
YES -
There is a short to body ground in the wire(s) between the audio-navigation unit and the HandsFreeLink control unit. Replace the affected
shielded harness.?
NO -
Go to step 12.
12. Check for continuity between the terminals of the HandsFreeLink control unit 28P connector according to the table.
Is there continuity between any of the terminals?
