2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 844
Diagnosis Procedure
1.SATELLITE RADIO ANTENNA CHECK
Visually check satellite radio antenna and antenna feeder.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair malfunctioning parts.
2.CHECK AV CONTROL UNIT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect satellite radio antenna connector.
3. Turn ignition switch ON.
4. Check voltage between AV control unit terminal 110 and ground.
110 - Ground: Approx. 5 V
Is the inspection result normal?
YES - INSPECTION END
NO - Replace AV control unit.
Without Mobile Entertainment System
U1300 AV COMM CIRCUIT
WITHOUT NAVIGATION : Description
U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simultaneously, without fail, with the
malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.
SELF-DIAGNOSIS RESULTS DISPLAY ITEM
WITH NAVIGATION : Description
U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simultaneously, without fail, with the
malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.
SELF-DIAGNOSIS RESULTS DISPLAY ITEM