Diagnosis Procedure
1.
CHECK GPS ANTENNA SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect TCU harness connector.
Check the voltage between TCU harness connector (telematics antenna side) and ground.
(+)
(-)
Voltage
(Approx.)
TCU
Connector
Terminal
M175
49
Ground
0 V
50
Is the check result normal?
Replace TCU.Refer to
Removal & Installation
.
Replace telematics antenna. Refer to
Removal & Installation
.
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Replace TCU.Refer to Removal & Installation
.
Replace telematics antenna. Refer to Removal & Installation.