Code EO42, Est Circuit Open Or Grounded: Intermittents

If connections and harness are okay, connect a digital volt-ohmmeter between affected terminal to ground and monitor meter while moving related connectors and wiring harness. If the failure is induced, the voltage reading will change.

Fig 1: Code EO42, Schematic, EST Circuit Open/Grounded

Fig 2: Code EO42, Flow Chart, EST Circuit Open/Grounded