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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 69 (Engine Control System (M20A-FKS) - Diagnostic Codes (P26CA-P26CE)) >> SFI System >> DTC P26CE-37: Engine Coolant Pump Overspeed [09/2019 - 09/2022] >> Monitor Description

Monitor Description

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The ECM monitors the speed of the engine water pump assembly. When the speed becomes a certain value or more, the ECM judges that the speed is abnormally high and stores a DTC (The MIL does not illuminate).

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