Description
The lock-up select solenoid valve controls lock-up clutch pressure or forward clutch pressure (reverse brake pressure).
When controlling lock-up clutch, the valve is turned OFF. When controlling forward clutch, it is turned ON.
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
Turn ignition switch ON.
Select "Data Monitor" in "TRANSMISSION".
Start engine and maintain the following conditions for at least 5 consecutive seconds.
RANGE : "D" and "N" position (At each time, wait for 5 seconds.)
With GST
Follow the procedure "With CONSULT".
Diagnosis Procedure
Regarding Wiring Diagram information, refer to TM-126, "Wiring Diagram".
1.CHECK LOCK-UP SELECT SOLENOID VALVE CIRCUIT
Turn ignition switch OFF.
Disconnect TCM connector.
Check resistance between TCM vehicle side harness connector terminal and ground.
2.CHECK HARNESS BETWEEN TCM AND CVT UNIT (LOCK-UP SELECT SOLENOID VALVE) (PART 1)
Disconnect CVT unit connector.
Check continuity between TCM vehicle side harness connector terminal and CVT unit vehicle side harness connector terminal.
3.CHECK HARNESS BETWEEN TCM AND CVT UNIT (LOCK-UP SELECT SOLENOID VALVE) (PART 2)
Check continuity between TCM vehicle side harness connector terminal and ground.
4.CHECK LOCK-UP SELECT SOLENOID VALVE
Check lock-up select solenoid valve. Refer to TM-107, "Component Inspection (Lock-up Select Solenoid Valve)".
5.DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.
Component Inspection (Lock-up Select Solenoid Valve)
1.CHECK LOCK-UP SELECT SOLENOID VALVE
Check resistance between CVT unit connector terminal and ground.
P0451 evap control system pressure sensor
Description
The EVAP control system pressure sensor detects pressure in the
purge line. The sensor output voltage to the ECM increases as pressure
increases
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
Never remove fuel filler cap during DTC confirmation procedur ...
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Diagnosis Procedure
1.CHECK START
Check front and rear brake force distribution using a brake tester.
2.CHECK FRONT AND REAR AXLE
Make sure that there is no excessive play in the front and rear axles.
3.CHECK WHEEL SENSOR AND SENSOR ROTOR
Check the following:
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