LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2008 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P1148 To P2A03 >> DTC P2101: Electric Throttle Control Function >> On Board Diagnosis Logic >> Fail-Safe Mode
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fail-Safe Mode

When the malfunction is detected, ECM enters fail-safe mode and the MIL lights up.

FAIL-SAFE MODE CHART

Engine operating condition in fail-safe mode
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring.