DTC P2601-777: Oil Pump Control Circuit Range / Performance: Description
WARNING: This page is about a different variant/trim than selected.
The hybrid vehicle control ECU detects the MG1 and MG2 temperatures based on signals from the generator and motor temperature sensors and activates the OIL PMP relay and oil pump driver (oil pump with motor assembly).
The hybrid vehicle control ECU monitors OPST signals from the oil pump driver and detects malfunctions.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P2601 | 777 | Command signal (OPM1) from the hybrid vehicle control ECU is abnormal. |
|
The oil pump with motor assembly is activated when:
1. MG1 temperature is 176°F (80°C) or more.
2. MG2 temperature is 212°F (100°C) or more and MG1 temperature is 158°F (70°C) or more.
HINT:
The oil pump with motor assembly cannot be activated only with the OIL PMP relay on. It is activated after receiving the command signals (OPM1) from the hybrid vehicle control ECU.