DTC P2712:00 [CW6A-EL]

id050233960500

DTC P2712:00

Oil pump shift valve stuck
DETECTION CONDITION
•  Under the following conditions, oil pressure switch No.1 OFF output continues for 10 s:
―  During i-stop operation
―  Selector lever position is D or N position.
―  During electric AT oil pump operation
―  Oil pressure switch, low clutch and transaxle range sensor are normal.
―  Rate of speed change normal
FAIL-SAFE FUNCTION
•  Inhibits i-stop control.
POSSIBLE CAUSE
•  Oil pump shift valve (hydraulic passage switching valve in control valve body) stuck
•  Electric AT oil pump malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
2
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC using the M-MDS.
•  Perform the following procedure to ensure that the DTC has been resolved:
1.  Drive the vehicle in 2GR or higher.
2.  Operate i-stop for 30 s or more.
3.  Repeat Step 1-2 operation above 2 times.
•  Perform the DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Replace the control valve body and electric AT oil pump.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION [CW6A-EL].)
(See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [CW6A-EL].)
No
DTC troubleshooting completed.