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Home >> Toyota >> 2022 >> Corolla Cross L, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Engine Control System (M20A-FXS) - Diagnostic Codes (6 Of 6) & Circuit Tests) >> SFI System >> DTC P26CB-71: Engine Coolant Pump Actuator Stuck [11/2022 - ] >> Description

DTC P26CB-71: Engine Coolant Pump Actuator Stuck [11/2022 - ]: Description

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Refer to DTC P26CA-12.

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
P26CB-71 Engine Coolant Pump Actuator Stuck Even though an operation request signal is being output, the inverter water pump with motor assembly does not rotate* (1 trip detection logic).
  • Lack of engine coolant
  • Engine coolant leak
  • Inverter water pump with motor assembly
  • ECM
Comes on
  • SAE Code: P26CB
  • DTC for Mexico Models: Applies

*: As the frequency signal (WPI) is 4 Hz when the inverter water pump with motor assembly is stopped to enable the ECM to detect an open or short in the signal line, the inverter water pump with motor assembly speed will be displayed as approximately 160 rpm even when the pump is stopped. If there is an open in the WPI circuit, the engine water pump speed will be displayed as 0 rpm.

RELATED DATA LIST

DTC No. Data List
P26CB-71
  • Coolant Temperature
  • Electric Water Pump Target Speed
  • Electric Water Pump Speed