P2602

HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM: P2602-767: Oil Pump Control Circuit Low
P2602-767 - Oil Pump Control Circuit Low

DESCRIPTION

Refer to the description for DTC P2601-777 P2601.





WIRING DIAGRAM

Refer to the wiring diagram for DTC P2601-777 P2601.

INSPECTION PROCEDURE

HINT
When troubleshooting the oil pump with motor assembly, check for the following conditions.

- ATF temperature inside the oil cooler is 41°F (5°C) or more.
- The ambient temperature sensor value is 41°F (5°C) or more.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - OIL PUMP WITH MOTOR ASSEMBLY)

(a) Disconnect connector A58 from the hybrid vehicle control ECU.

(b) Disconnect connector from the oil pump with motor assembly.

(c) Measure the resistance according to the value(s) in the table below.





Standard Resistance:





Text in Illustration





(d) Connect the oil pump with motor assembly connector.

(e) Connect the hybrid vehicle control ECU connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

2. INSPECT OIL PUMP WITH MOTOR ASSEMBLY

(a) Disconnect connector from the oil pump with motor assembly.

(b) Measure the resistance according to the value(s) in the table below.





Standard Resistance:





Text in Illustration





(c) Connect the oil pump with motor assembly connector.

NG -- REPLACE OIL PUMP WITH MOTOR ASSEMBLY Components

OK -- REPLACE HYBRID VEHICLE CONTROL ECU Components