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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Shift (Electric Shift Control Module) >> DTC P18AB-00: Ignition Switch >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P18AB

00

IGNITION SW

(Ignition Switch Circuit)

Diagnosis condition

When the ignition switch is ON

Signal

Ignition switch 1 and 2 signal

Threshold

The ignition switch signal input terminal values from the 2 lines do not match each other.

Diagnosis delay time

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