P0847

P0847 TRANSMISSION FLUID PRESSURE SEN/SW B

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
- GO TO 2.

2. CHECK DTC DETECTION

With CONSULT
1.Start the engine.
2.Select "Data Monitor" in "TRANSMISSION".
3.Select "FLUID TEMP".
4.Maintain the following conditions for 10 seconds or more.





5.Check the first trip DTC.
With GST
1.Start the engine and wait for at least 10 seconds.

CAUTION:
When the ambient temperature is -20�C (-4�F) or less and the engine is cold, warm up the engine for approximately 5 minutes.
2.Check the first trip DTC.
Is "P0847"detected?
YES- Go to .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 1)

1.Turn ignition switch OFF.
2.Disconnect TCM connector and CVT unit connector.
3.Check continuity between TCM harness connector terminals and CVT unit harness connector terminals.





Is the inspection result normal?
YES - GO TO 2.
NO- Repair or replace malfunctioning parts.

2. CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 2)

Check continuity between TCM harness connector terminals and ground.





Is the inspection result normal?
YES - GO TO 3.
NO- Repair or replace malfunctioning parts.

3. CHECK TCM INPUT SIGNALS

1.Connect all connectors removed.
2.Start the engine.
3.Check voltage between TCM harness connector terminal and ground.





Is the inspection result normal?
YES - Check intermittent incident. Intermittent Incident.
NO- There is malfunction of secondary pressure sensor. Replace transaxle assembly. Removal And Installation.