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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio System & Navigation System (DTCS) >> Multi Av (Display Control Unit) >> DTC U1240: Switch Conn >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

U1240

SWITCH CONN

(Switch connection error)

1

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

Multifunction switch power supply and ground circuit

Threshold

--

Diagnosis delay time

30 seconds or more

2

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

AV communication signal

Threshold

Abnormality

Diagnosis delay time

30 seconds or more

NOTE: DTC "U1240" is displayed with DTC "U1300".