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Acura DTC

Acura DTC P1116

Manufacture

Acura DTC

Code

P1116

Definition

Engine Coolant Temperature (ECT) Sensor 1 Circuit Range Performance Problem

Description

A malfunction is detected if the following 3 conditions are present after the engine has stopped and the ignition switch has been turned to LOCK (0) for at least 6 hours before restarting the engine: (1) When the temperature difference between the IAT and ECT1 is 57 ºF (32 ºC) or more. (2) When the temperature difference between the IAT and ECT2 is 30 ºF (17 ºC) or more. (3) When the temperature difference between the ECT2 and ECT1 is 73 ºF (41 ºC) or more. NOTE: If DTC P0111 is stored at the same time as DTC P1116, troubleshoot DTC P0111 first, then recheck for DTC P1116.

Cause

  • Poor connections or loose terminals at ECT sensor 1 and ECT sensor 2Faulty ECT sensor 1 Faulty ECT sensor 2

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