Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK TELEMATICS ANTENNA
Visually check telematics antenna and antenna feeder. Refer to Removal and Installation .

Is the inspection result normal?

YES

GO TO 2 .

NO

Repair malfunctioning parts.

CHECK TCU VOLTAGE

Disconnect TCU connector M194.
Turn ignition switch ON.

Check the voltage between TCU connector M194 and ground.

TCU

Ground

Voltage

(Approx.)

Connector

Terminal

M194

47

(-)

2.8 V

Is the check result normal?

YES

Replace telematics antenna. Refer to Removal and Installation .

NO

Replace TCU. Refer to Removal and Installation .