LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2018 >> QX60 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 6) >> DTC/Circuit Diagnosis >> DTC P1220: Fuel Pump Control Module (FPCM) >> 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

P1220

FPCM/CIRCUIT

(Fuel pump control module circuit)

Diagnosis condition

Engine cranking

Signal (terminal)

Fuel pump control module signal

Threshold

A signal voltage of the FPCM to the ECM is too low

Diagnosis delay time

--
scientia non olet · About LEMON Manuals