LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2004 >> LS 430 >> Repair and Diagnosis >> Electrical >> Starter >> Starters >> Bench Testing >> Ignition Switch Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ignition Switch Test

Using ohmmeter, measure resistance between specified terminals. For resistance specifications, see IGNITION SWITCH CONNECTOR RESISTANCE . If the resistance is not as specified, replace switch.

IGNITION SWITCH CONNECTOR RESISTANCE

Switch Position Terminal No. Resistance (Ohm)
LOCK All 10k or higher
ACC 1 & 3 Below 1
ON 1 & 2, 1 & 3, 5 & 6 Below 1
START 1 & 2, 4 & 5, 5 & 6 Below 1
Fig 1: Identifying Ignition Switch Connector Terminals
G00165161Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002