LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2003 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 221 (Engine Immobilizer System (W/Smart Key System) - Diagnosis) >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS TABLE - ENGINE IMMOBILIZER SYSTEM (W/SMART KEY)

Problem Symptom Suspected Area
Engine does not start
  1. ECU power source circuit
  2. Steering lock ECU
scientia non olet · About LEMON Manuals