Description
When TCM does not store calibration data (individual characteristic value) of each solenoid valve that is stored in the ROM assembly (in the control valve), a malfunction is detected.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
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 OFF.
Wait for at least 10 consecutive seconds.
Turn ignition switch ON.
Perform "Self Diagnostic Results" in "TRANSMISSION".
Diagnosis Procedure
1.CHECK HARNESS BETWEEN TCM AND CVT UNIT HARNESS CONNECTOR (ROM ASSEMBLY) (PART 1)
Turn ignition switch OFF.
Disconnect TCM connector and CVT unit connector.
Check continuity between TCM vehicle side harness connector terminals and CVT unit vehicle side harness connector terminal.
2.CHECK HARNESS BETWEEN TCM AND CVT UNIT HARNESS CONNECTOR (ROM ASSEMBLY) (PART 2)
Check continuity between TCM vehicle side harness connector terminals and ground.
3.CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to TM-95, "Diagnosis Procedure".
4.REPLACE TCM
Replace the TCM. Refer to TM-168, "Exploded View".
Perform "DTC CONFIRMATION PROCEDURE". Refer to TM-99, "DTC Logic".
ECU diagnosis information
BCM (BODY CONTROL MODULE)
Reference Value
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS tran ...
Hydraulic line
Exploded View
High pressure hose
Suction hose
Reservoir tank bracket
Reservoir tank
Oil pump assembly
Steering gear assembly
Low pressure piping
Eye bolt
High pressure piping
Copper sealing washers
Eye bolt
Copper sealing washers
Power steering pressure sensor
...
P1740 select solenoid
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 DET ...