DTC P1758 LINE PRESSURE SOLENOID CIRCUIT — Description / Reference Values / On Board Diagnosis Logic / DTC Confirmation Procedure
AT-7090prose procedureDescription
NOTE
Line pressure is controlled by a signal sent from TCM to generate the line pressure necessary for torque transmission by steel belt. The pressure is returned from the line pressure sensor to TCM, and it is regulated continuously to maintain the target oil pressure.
CONSULT-II Reference Value in Data Monitor Mode
NOTE
Remarks: Specification data are reference values.
LINE PRES SOL
ConditionVehicle being driven.
SpecificationApprox. 0 - 1.0A
*LINE PRES SOL
ConditionVehicle being driven.
SpecificationApprox. 0 - 1.0A
TCM Terminals and Reference Value
NOTE
Remarks: Specification data are reference values.
6
Wire colorW/G
ItemLine pressure control solenoid valve
Condition"D" positions, and accelerator pedal and brake pedal released after driving
Judgement standard (Approx.)4 - 6V
On Board Diagnosis Logic
CONSULT-II screen text
IdentifierLINE PRES SOL
Malfunction is detected when ...TCM detects malfunction in drive circuit.
Check items (Possible cause)Harness or connectors (The solenoid circuit is open or shorted.); Line pressure solenoid valve
GST (OBD-II)
IdentifierP1758
Malfunction is detected when ...TCM detects malfunction in drive circuit.
Check items (Possible cause)Harness or connectors (The solenoid circuit is open or shorted.); Line pressure solenoid valve
MI / NO TOOLS code
IdentifierMI Code No. 1758
Malfunction is detected when ...TCM detects malfunction in drive circuit.
Check items (Possible cause)Harness or connectors (The solenoid circuit is open or shorted.); Line pressure solenoid valve
Diagnostic Trouble Code (DTC) Confirmation Procedure
CAUTION
Always drive vehicle at a safe speed.
NOTE
If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test.
NOTE
After the repair, perform the following procedure to confirm that the malfunction is eliminated.
With CONSULT-II
- 1Turn ignition switch "ON" and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II. If the check result is NG, go to "Diagnostic Procedure", AT-7093.
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