2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 837
Is the inspection result normal?
YES - GO TO 4.
NO - Replace AV control unit.
4.CHECK SERIAL COMMUNICATION SIGNAL
Check signal between front display unit harness connector terminal 22 and ground.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace front display unit.
With Mobile Entertainment System
U1243 DISPLAY UNIT
Description
DTC Logic
Diagnosis Procedure
1.CHECK FRONT DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT
Check front display unit power supply and ground circuits. See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist
Systems/Testing and Inspection/Component Tests and General Diagnostics/Power Supply and Ground Circuit/Front Display Unit/With Mobile
Entertainment System.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair malfunctioning parts.
2.CHECK CONTINUITY COMMUNICATION CIRCUIT
1. Turn ignition switch OFF.
