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Home >> Infiniti >> 2018 >> QX30 Essential, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Steering Control Systems >> Steering Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC U0168: Electric Ignition Lock System >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

MELCO code

DTC detection condition

(Trouble diagnosis content)

[Malfunction type]

U0168

87

COMMUNICATION ERROR (LOST)

(Communication with the electronic ignition lock has a malfunction.)

[MISSING MESSAGE]

67

Diagnosis condition

  • After 0.45 seconds from CAN communication wake up
  • Ignition switch ON

Signal (terminal)

CAN communication signal

Threshold

Message is missing

Diagnosis delay time

3 seconds

U0168

87

COMMUNICATION ERROR (LOST)

(Communication with the electronic ignition lock has a malfunction.)

[MISSING MESSAGE]

20, 64

Diagnosis condition

  • After 0.45 seconds from CAN communication wake up
  • Ignition switch ON

Signal (terminal)

CAN communication signal

Threshold

Message is missing

Diagnosis delay time

1 second

U0168

87

COMMUNICATION ERROR (LOST)

(Communication with the electronic ignition lock has a malfunction.)

[MISSING MESSAGE]

DF

Diagnosis condition

After 0.45 seconds from ignition switch ON

Signal (terminal)

CAN communication signal

Threshold

Message is missing

Diagnosis delay time

2 seconds