Diagnosis Procedure

DIAGNOSTIC PROCEDURE

Step	Action	YES	NO
1	CHECK INPUT SIGNALS With SDT Start the engine. Select "SELECTION FROM MENU" in "Data list" mode for "AT" with SDT. Drive vehicle in the "1" or "2" position ("11 or 22" gear), and confirm the ON/OFF actuation of the "ATF PRES SW 2" and "ON OFF SOL". OK or NG	GO TO 4.	GO TO 2.
2	CHECK TCM POWER SUPPLY AND GROUND CIRCUIT Check TCM power supply and ground circuit. Refer to [MAIN POWER SUPPLY AND GROUND CIRCUIT CHECK ]. OK or NG	GO TO 3.	Repair or replace damaged parts.
3	DETECT MALFUNCTIONING ITEM Check the following. The A/T assembly harness connector pin terminals for damage or loose connection with harness connector. OK or NG	Replace the control valve with TCM. Refer to [CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2: ON-VEHICLE REPAIR ].	Repair or replace damaged parts.
4	CHECK DTC Perform "DTC Confirmation Procedure". Refer to [DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION ]. OK or NG	INSPECTION END	GO TO 2.