LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2017 >> QX30 Premium, AWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC U0427: Electric Ignition Lock System >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC CONSULT screen terms MELCO code DTC detection condition
(Trouble diagnosis content) [Malfunction type]
U0427 86 COMMUNICATION ERROR (INVALID)
(Implausible data were received from the electronic ignition lock.)
[SIGNAL INVALID] 21, 60 Diagnosis condition Ignition switch ON
Signal (terminal) CAN communication signal
Threshold Control unit receive the invalid data from electronic ignition switch control unit
Diagnosis delay time 0.5 seconds
U0427 86 COMMUNICATION ERROR (INVALID)
(Implausible data were received from the electronic ignition lock.)
[SIGNAL INVALID] 97, 9D, B9, BA Diagnosis condition Ignition switch ON
Signal (terminal) CAN communication signal
Threshold Control unit receive the invalid data from electronic ignition switch control unit
Diagnosis delay time 1 second