FixVault

Ignition Switch Test

WARNING: Deactivate air bag system before performing any service operation involving steering column components. See AIR BAG RESTRAINT SYSTEM article
NOTE: For additional information, refer to TEST NS-1A in TESTS W/CODES article in the ENGINE PERFORMANCE Section.
  1. Disconnect negative battery cable. Remove ignition switch. See STEERING COLUMN SWITCHES article. With ignition switch in ON position, check for continuity between ignition switch terminals No. 1 and 7. See WIRING DIAGRAMS  . If continuity exists, replace ignition switch. If continuity does not exist, go to next step.
  2. With ignition switch in START position, check for continuity between ignition switch terminals No. 1 and 7. See WIRING DIAGRAMS  . If continuity exists, ignition switch is okay. If continuity does not exist, replace ignition switch.