P0746
P0746 PRESSURE CONTROL SOLENOID A
Description
The line pressure solenoid valve regulates the oil pump discharge 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.
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-III
1. Start the engine.
2. Select "Data Monitor" in "TRANSMISSION".
3. Select "ENG SPEED SIG","PRI SPEED" and "VEHICLE SPEED".
4. Drive the vehicle.
5. Maintain the following condition for 1 second or more.
6. Stop the vehicle.
7. Select "Self Diagnostic Results" in "TRANSMISSION".
With GST
Follow the procedure "With CONSULT-III".
Is "P0746" detected?
YES - Go to SEE Diagnosis Procedure.
NO - INSPECTION END
Diagnosis Procedure
1.CHECK LINE PRESSURE
Perform line pressure test. Line Pressure Test.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace damaged parts. Line Pressure Test.
2.CHECK LINE PRESSURE SOLENOID VALVE
1. Turn ignition switch OFF.
2. Disconnect CVT unit connector.
3. Check line pressure solenoid valve. SEE Component Inspection (Line Pressure Solenoid Valve).
Is the inspection result normal?
YES - GO TO 3.
NO - Replace transaxle assembly. Removal And Installation (2WD) or Removal And Installation (AWD).
3.CHECK PRIMARY SPEED SENSOR SYSTEM
Check primary speed sensor system. P0715.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace damaged parts.
4.CHECK SECONDARY SPEED SENSOR SYSTEM
Check secondary speed sensor system. P0720.
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 transaxle assembly. Removal And Installation (2WD) or Removal And Installation (AWD).
NO - Repair or replace damaged parts.
Component Inspection (Line Pressure Solenoid Valve)
LINE PRESSURE SOLENOID VALVE
1.LINE PRESSURE SOLENOID VALVE
Check resistance between CVT unit connector terminal and ground.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace the transaxle assembly. Removal And Installation (2WD) or Removal And Installation (AWD).