DTC P2712:00 [FW6A-EL]

id050225960500

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

•  ATF leakage from low clutch circuit

SYSTEM WIRING DIAGRAM

Not applicable

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 • ATF leakage from low clutch circuit
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.
1		No	Go to the next step.
2	VERIFY DTC TROUBLESHOOTING COMPLETED • Clear the DTC using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [FW6A-EL].) • 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. (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [FW6A-EL].) • Are any DTCs present?	Yes	Go to the next step.
2		No	DTC troubleshooting completed.
3	VERIFY THAT THE TIME LAG HAS NOT INCREASED • Perform the "Time Lag Test". (See MECHANICAL SYSTEM TEST [FW6A-EL].) • Is the time lag longer than 3 s when N to D is selected?	Yes	Replace the automatic transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [FW6A-EL].)
3		No	Replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [FW6A-EL].)