LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Isuzu >> 2004 >> Axiom Base, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> On-Board Diagnostic (OBD-II) >> No Reduced Power Lamp (RPL) >> Circuit Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit Description

The Reduced Power lamp (RPL) should be "ON" (only 3 seconds) steady with the ignition "ON" and the engine stopped. Ignition feed voltage is supplied to the RPL bulb through the meter fuse. The Engine Control Module (ECM) turns the RPL "ON" by grounding the RPL driver circuit.