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.PERFORM DTC CONFIRMATION PROCEDURE

1. Start the engine and wait for 10 seconds or more.

2. Check the first trip DTC.

Is “P0712” detected? YES >> Go to TM-406, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK CIRCUIT BETWEEN TCM AND THE CVT UNIT

1. Turn ignition switch OFF.

2. Disconnect the TCM connector and the CVT unit connector.

3. Check the continuity between TCM harness connector terminal and ground.

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace malfunctioning part.

2.CHECK CVT FLUID TEMPERATURE SENSOR

Check the CVT fluid temperature sensor. Refer to TM-406, "Component Inspection (CVT Fluid Temperature Sensor)".

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

NO >> Repair or replace the malfunctioning parts.

Component Inspection (CVT Fluid Temperature Sensor)

1.CHECK CVT FLUID TEMPERATURE SENSOR

Check resistance between the CVT unit connector terminals.

Is the inspection result normal? YES >> INSPECTION END

NO >> There is a malfunction of the CVT fluid temperature sensor. Replace the transaxle assembly.

Refer to TM-508, "Removal and Installation".