LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> ADAS Control Unit (DTC/Circuit Diagnosis) (1 Of 2) >> DTC C1A42: System Switch Circuit >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC

CONSULT screen terms

DTC detection condition

(Trouble diagnosis content)

[Malfunction type]

C1A42

23

SYSTEM SW CIRC

(ICC switch circuit)

[SWITCH SIGNAL STUCK]

1

Diagnosis condition

When engine is running

Signal (terminal)

--

Threshold

ICC steering switch ON status is detected continuously.

Diagnosis delay time

10 minutes or more

62

[SIGNAL COMPARE ERROR]

2

Diagnosis condition

When engine is running

Signal (terminal)

--

Threshold

ICC steering switch is no function.

Diagnosis delay time

10 minutes or more