LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2001 >> LS 430 >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems >> Circuit Tests >> Taillight Circuit
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Taillight Circuit

NOTE: If LEXUS scan tool is available, start test from step  1. If this scan tool is not available, start test from step  2.
  1. Using scan tool, operate taillights in ACTIVE TEST. If taillights do not operate, go to next step. If taillights operate, go to next test listed in BODY NO. 2 CONTROL SYSTEM  table under TROUBLE SHOOTING .
  2. Check taillight bulb. Replace bulb as necessary. If bulb is okay, check circuits for faults between taillights, body No. 4 ECU and battery. See WIRING DIAGRAMS . Repair or replace as necessary. If circuits are okay, go to next test listed in BODY NO. 2 CONTROL SYSTEM  table under TROUBLE SHOOTING .
scientia non olet · About LEMON Manuals