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Home >> Infiniti >> 2018 >> QX30 Essential, AWD >> Repair and Diagnosis (Single Page) >> Brakes >> Brakes Control Systems >> Brake Control System (DTC/Circuit Diagnosis) (1 Of 5) >> DTC/Circuit Diagnosis >> DTC C0042: Control Unit >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen item

DTC detected condition

[Trouble diagnosis content]

[Malfunction type]

C0042

00

BR pedal posi sen circuit A (subfault)

[Overheating of component (High-pressure and return flow pump)]

[NO SUBTYPE INFORMATION]

Diagnosis condition

Ignition switch ON

Signal (terminal)

--

Threshold

Return pump: If during the diagnosis of the return pump for a defined time (t above 30 seconds), an error is set due to a long overheated pump motor and valve control (pump motor and high-pressure valve 1 and switching valve 1 or pump motor and high-pressure valve 2 and switching valve 2 are activated). The error is set if the error detection time is exceeded.

Diagnosis delay time

30000 ms