DTC P1980-65

Precautions: Precautions for Diagnosing Trouble · Precautions for Disassembly and Reassembly · Precautions for Transmission / Transaxle · General safety (00)

DTC Detecting Condition and Trouble Area

DTC detecting condition	Trouble area
P1980-65: Pump Misuse – Signal Has Too Few Transitions / Events Pump temperature exceeded a specified time. (1 D/C detection logic)	Excessive gear shift operation.

DTC Confirmation Procedure

WARNING:

If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.

•Select a level road with no traffic to minimize the risk of accident.
•Perform the test extremely carefully.
•Perform the road test with 2 persons, a driver and a tester.

NOTE:

Check that the following condition is satisfied in this procedure.

•11 V < Battery voltage < 15 V

1)Start engine and drive vehicle.

DTC Troubleshooting

Step	Action	Yes	No
1	Is DTC P1980-65 detected after performing “DTC Confirmation Procedure”?	Leave vehicle with engine off and hood opened to cool oil pump.	Check for intermittent trouble.