Diagnostics

Monitor description

~1min read

While the engine is being cranked, the battery positive voltage is applied to terminal sta of the ecm.

If the ecm detects the starter control signal (sta) while the vehicle is driving, it will conclude that there is a fault in the starter control circuit. The ecm will turn on the mil and a dtc is set.

Toyota Corolla. Monitor description
Monitor strategy
Toyota Corolla. Monitor strategy
Typical enabling conditions
Toyota Corolla. Typical enabling conditions
Typical malfunction thresholds
Toyota Corolla. Typical malfunction thresholds
Wiring diagram
Toyota Corolla. Wiring diagram

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A quick Toyota Corolla quiz: every answer comes with an explanation and a link to the manual page.