Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO, VISUAL & NAVIGATION SYSTEM (INFINITI INTOUCH) (DTC/CIRCUIT DIAGNOSIS)
2019 Infiniti Q70 3.7 Luxe, AWD
Audio, Visual & Navigation System (INFINITI INTOUCH) (DTC/Circuit Diagnosis)
2019 Infiniti Q70 3.7 Luxe, AWDSECTION Audio, Visual & Navigation System (INFINITI INTOUCH) (DTC/Circuit Diagnosis)
- DTC Index
- DTC/Circuit Diagnosis
- DTC B1F01: Engine Speed Signal
- DTC B1F0B,: B1F0C, B1F0D, B1F0E ANC Mic1 Circuit
- DTC B1F10,: B1F11, B1F12, B1F13 ANC Mic2 Circuit
- DTC U1000: Can Comm Circuit
- DTC U1010: Control Unit (Can)
- DTC U121F: Display Control Unit
- DTC U1223: CONFIG Unfinished
- DTC U1231: BOSE Amp.
- DTC U1232: Steering Angle Sensor
- DTC U1233: NAVI Control Unit
- DTC U1234: Av Control Unit
- DTC U1240: Switch Conn
- DTC U1244: GPS Antenna Conn
- DTC U1249: Audio H/U Conn
- DTC U124E: Amp Conn
- DTC U1258: Satellite Radio Antenna
- DTC U125B: AVM Conn
- DTC U125D: NAVI Conn
- DTC U1266: TCU
- DTC U12B8: Rear Camera Conn
- DTC U12BA: MULTIFUNCTION Switch Conn
- DTC U12BE: Radio Antenna Conn
- DTC U1300: Av Comm Circuit
- DTC U1310: Display Control Unit
- DTC U1601,: U1609 Front Door Woofer
- DTC U1602,: U160A Front Door Squawker/Tweeter
- DTC U162A: Center Speaker
- DTC U1632,: U163A, U163E Seat Speaker
- DTC U1708,: U1710 Rear Door Speaker
- DTC U1725: Rear Woofer
- DTC U190C: Front/Rear Microphone
- Power Supply And Ground Circuit
- Disk Eject Signal Circuit
- Composite Image Signal Circuit
- Vehicle Speed Signal Circuit
- Reverse Signal Circuit
- Microphone Signal Circuit (Without Telematics)
- Steering Switch Signal A Circuit
- Steering Switch Signal B Circuit
- Steering Switch Ground Circuit
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.