DTC P2797: Electric/Auxiliary Transmission Fluid Pump "A" Performance/Stuck Off
1.-
DTC detecting condition:
Immediately at fault recognition
Trouble symptom:
- Shocks from clutch engagement occur when Auto Start Stop is restarted.
- Auto Start Stop does not operate.
- CHECK TRANSMISSION FLUID
.
Check the amount of ATF. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 CROSSTREK)>CVTF>INSPECTION .
Is the check result OK?
Yes Go to 2.
No Adjust the amount of ATF.
- CHECK TRANSMISSION FLUID
.
Check the condition of ATF. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 CROSSTREK)>CVTF>REPLACEMENT .
Is the check result OK?
Yes Return ATF. Go to 3.
No Check according to the "Corrective action" of ATF (CVTF) "CONDITION CHECK". Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 CROSSTREK)>CVTF>REPLACEMENT .
- CHECK DTC
.
Read the DTC of [Transmission] using the Subaru Select Monitor. Ref. to TRANSMISSION (DIAGNOSTICS) (CROSSTREK MODEL)>DIAGNOSTIC TROUBLE CODE (DTC) .
Are DTCs other than P2797 displayed?
Yes Perform the diagnosis according to the DTC. Ref. to TRANSMISSION (DIAGNOSTICS) (CROSSTREK MODEL)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .
No Go to 4.
- ELECTRIC OIL PUMP HYDRAULIC PRESSURE TEST
.
Perform oil pressure test for the electric oil pump Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 CROSSTREK)>ELECTRIC FLUID PUMP>INSPECTION .
Is the oil pressure at the specification or more?
Yes Go to 5.
No Replace the transmission assembly Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 CROSSTREK)>TRANSMISSION ASSEMBLY .
- ROAD TEST
.
Perform the CVT road test during Auto Start Stop Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 CROSSTREK)>ROAD TEST>INSPECTION>AUTO START STOP .
Is DTC P2797 displayed, or are there shocks when the engine is started?
Yes Replace the transmission assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 CROSSTREK)>TRANSMISSION ASSEMBLY .
No Current condition is normal. It is possible that temporary poor contact occurs.