P0868

P0868 TRANSMISSION FLUID PRESSURE

Description

The secondary pressure solenoid valve regulates the secondary pressure to suit the driving condition in response to a signal sent from the TCM.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


CAUTION:
Always drive vehicle at a safe speed.
NOTE:
Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.

1. CHECK DTC DETECTION

With CONSULT
1.Turn ignition switch ON.
2.Select "Data Monitor" in "TRANSMISSION".
3.Make sure that output voltage of CVT fluid temperature sensor is within the range specified below.





4.Start engine and maintain the following conditions for at least 10 consecutive seconds.





Is "P0868" detected?
YES- Go to Diagnosis Procedure (see below).
NO- Check intermittent incident. Intermittent Incident.


Diagnosis Procedure


1. CHECK LINE PRESSURE

Perform line pressure test. Initial Inspection and Diagnostic Overview.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace damaged parts. Initial Inspection and Diagnostic Overview.

2. CHECK SECONDARY PRESSURE SOLENOID VALVE

Check secondary pressure solenoid valve. P0778.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace damaged parts.

3. CHECK LINE PRESSURE SOLENOID VALVE

Check line pressure solenoid valve. P0745.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace damaged parts.

4. CHECK SECONDARY PRESSURE SENSOR SYSTEM

Check secondary pressure sensor system. P0840.
Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace damaged parts.

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
Is the inspection result normal?
YES- Replace the transaxle assembly. Transmission Assembly (2WD) or
Transmission Assembly (AWD).
NO- Repair or replace damaged parts.