DTC P0847:00 [FW6A-EL]

id050225904500

Note
•  Oil pressure switch No.2 is built into oil pressure switch A.
•  If there is a malfunction in oil pressure switch No.2, replace oil pressure switch A.

DTC P0847:00

Oil pressure switch No.2 (Oil pressure switch A) stuck on
DETECTION CONDITION
•  Under the following conditions, oil pressure switch No.2 stuck-on detected by combination of gear ratio malfunction and oil pressure switch pattern malfunction:
―  Engine is running.
―  Battery voltage is 8 V or more.
―  ATF temperature is 20 °C {68 °F} or more.
Diagnostic support note
•  The check engine light illuminates if the TCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the TCM.
•  The automatic transaxle warning light illuminates if the TCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the TCM.
•  PENDING CODE is available.
•  FREEZE FRAME DATA is available.
•  The DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION
•  Limits engine torque.
•  Inhibits learning control.
•  Inhibits manual mode.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
•  Inhibits AAS.
POSSIBLE CAUSE
•  Oil pressure switch No.2 malfunction
SYSTEM WIRING DIAGRAM
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Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY THE DTC OUTPUT STATUS
•  Is the DTC P1738:00 also present?
Yes
Go to the applicable DTC inspection.
(See DTC P1738:00 [FW6A-EL].)
No
Go to the next step.
2
VERIFY FREEZE FRAME DATA/SNAPSHOT DATA HAS BEEN RECORDED
•  Has the freeze frame data/snapshot data been recorded on the repair order?
Yes
Go to the next step.
No
Record the freeze frame data/snapshot data on the repair order, then go to the next step.
3
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.
4
PERFORM ON-BOARD DIAGNOSTIC TEST
•  Perform the following procedure to ensure that the DTC has been resolved:
1.  Start the engine.
2.  Verify that the ATF temperature is 55 °C {131 °F} or more.
•  Perform the on-board diagnostic test.
•  Are P0847:00 present?
Yes
Replace the oil pressure switch No.2, then go to the next step.
(See OIL PRESSURE SWITCH REMOVAL/INSTALLATION [FW6A-EL].)
No
No DTCs are displayed:
•  Drive the vehicle to check it, and if there is no problem then the DTC troubleshooting is complete.
If a DTC other than the one indicated on the left is displayed:
•  Go to the applicable DTC inspection.
5
RE-PERFORM ON-BOARD DIAGNOSTIC TEST
•  Perform the following procedure to ensure that the DTC has been resolved:
1.  Start the engine.
2.  Verify that the ATF temperature is 55 °C {131 °F} or more.
•  Perform the on-board diagnostic test.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [FW6A-EL].)
No
DTC troubleshooting completed.