Diagnosis Procedure
1.
CHECK TEL ANTENNA SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect TCU harness connector.
Check the continuity between TCU harness connector (telematics antenna side) and ground.
TCU
Ground
Continuity
Connector
Terminal
M174
47
Not existed
48
Is the inspection result normal?
Replace TCU. Refer to
Removal & Installation
.
Replace telematics antenna. Refer to
Removal & Installation
.