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Home >> Toyota >> 2017 >> 86 Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (4 Of 6) >> SFI System >> DTC P0616: Starter Relay Circuit Low; DTC P0617: Starter Relay Circuit High [06/2016 - 03/2017] >> Monitor Description
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Monitor Description

While the engine is being cranked, battery voltage is applied to terminal STA of the ECM. If the ECM detects the starter control (STA) signal after the engine is started, it determines that there is a malfunction in the STA circuit. The ECM then illuminates the MIL and stores the DTC.

DTC No. DTC Detection Condition Trouble Area
P0616 No starter signal is input when engine started.
(1 trip detection logic)
  • Starter system
  • ST relay circuit
  • ECM
P0617 Starter signal remains input after engine started.
(1 trip detection logic)
  • Starter system
  • ST relay circuit
  • ECM