LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 5) >> DTC/Circuit Diagnosis >> DTC P11B1: VCR Target Angle (Cold Start) >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P11B1

00

VCR target angle (cold start)

[Variable compression ratio target angle (cold start)]

Diagnosis condition

Engine running at idle

Signal (terminal)

--

Threshold

There is a gap between angle of target and phase-control angle degree (Low compression ratio)

Diagnosis delay time

110 seconds or more