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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (Engine Control System - Diagnostic Codes (P2270-P26CE)) >> SFI System >> DTC P26CA-31: Engine Coolant Pump No Signal [08/2023 - ] >> Description

DTC P26CA-31: Engine Coolant Pump No Signal [08/2023 - ]: Description

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Refer to DTC P26CA-12.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P26CA-31 Engine Coolant Pump No Signal The speed of the engine water pump calculated from the WPI signal is less than 10 rpm (open or short in the WPI circuit) (1 trip detection logic).
  • Open or short in engine water pump assembly (water inlet housing) circuit
  • Engine water pump assembly (water inlet housing)
  • EFI-MAIN NO. 3 relay
  • ECM
Comes on Engine A
  • SAE Code: P26CA
  • DTC for Mexico Models: Applies
RELATED DATA LIST

DTC No. Data List
P26CA-31
  • Coolant Temperature
  • Electric Water Pump Target Speed
  • Electric Water Pump Speed