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Circuit Description

Refer to DTC P0115  .

DTC DETECTION CONDITIONS

DTC No. DTC Detection Conditions Trouble Areas
P0116 Case 1: Engine Coolant Temperature (ECT) between 35°C and 60°C (95°F and 140°F) when engine started, and conditions (a) and (b) met (2 trip detection logic):
  1. Vehicle driven at varying speeds (accelerated and decelerated)
  2. ECT remains within 3°C (5.4°F) of initial ECT
Case 2: ECT more than 60°C (140°F) when engine started, and conditions (a) and (b) met (6 trip detection logic):
  1. Vehicle driven at varying speeds (accelerated and decelerated
  2. ECT measurements remain within 1°C (1.8°F) of initial ECT on 6 successive occasions
  • ECT sensor
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