LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2003 >> LS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 256 (Starting System) >> Bench Testing >> Magnetic Switch Test >> Field Coil
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Field Coil

WARNING: This page is about a different car, the 2004 Toyota 4Runner and 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check whether the pull-in coil has an open circuit. Using an ohmmeter, check that there is continuity between terminal No. 50 and terminal "C". See Fig 1. If there is no continuity, check and replace the magnetic switch.
  2. Check whether the pull-in coil has an open circuit. Using an ohmmeter, check that there is continuity between terminals No. 50 and the switch body. See Fig 1. If there is no continuity, check and replace the magnetic switch.
Fig 1: Testing Magnetic Switch
G00297807Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002