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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) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC C0640: Electronic Ignition Switch Control Unit System >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen item

DTC detected condition

[Trouble diagnosis content]

[Malfunction type]

C0640

00

CAN message E-IGN lock C/U

[The CAN message from control unit (Electronic ignition lock control unit) is malfunction]

[NO SUBTYPE INFORMATION]

Diagnosis condition

Ignition switch ON

Signal (terminal)

--

Threshold

If the message from the electronic ignition switch control unit is incorrect (message length or checksum incorrect) then an error is set. This error is set, when the malfunction detection time is exceeded.

Diagnosis delay time

50 ms