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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (P310) - RX400H - DTC P0AA1-231 Through U0424-537 >> DTC P2601-778 Coolant Pump Control Circuit Range / Performance >> Description

DTC P2601-778 Coolant Pump Control Circuit Range / Performance: Description

HINT:

This is the repair procedure for the "oil pump control circuit".

Refer to the description for DTC P2601-777. (See DTC P2601-777  )

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. INF No. DTC Detection Condition Trouble Area
P2601 778
  • Ambient temperature is 5°C (41°F) or more
  • Duty output from oil pump driver is between 65 and 75 %
  • Oil pump w/ motor assembly does not start
  • Ambient temperature sensor
  • Fluid piping
  • Oil pump w/ motor assembly