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Test No. 2: Ignition Switch Power Source Circuit: Testing

  1. Check AM1 and GAUGE fuses located under left side of instrument panel. If fuses are okay, go to next step. If either fuse is open, locate and repair short circuit. See WIRING DIAGRAMS . Replace fuse(s).
  2. Disconnect body ECU connectors. Turn ignition on. Measure voltage between body ECU harness 25-pin connector terminal No. 15 and ground. If voltage is 9-14 volts, go to next test listed. See appropriate TROUBLE SHOOTING SYMPTOMS table under TROUBLE SHOOTING. If voltage is not 9-14 volts, go to next step.
  3. Check wiring and connectors between body ECU and ground. See WIRING DIAGRAMS . Repair ground circuit as necessary. If ground circuit is okay, repair wiring or connectors between battery and body ECU.
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