DTC P1756 LINE PRESSURE CONTROL SENSOR FUNCTION
AT-7089flowchartSource shows 'Whitout CONSULT-II' (typo for 'Without') in step1 OK branch — preserved as printed.
Diagnostic Procedure
DTC P1756 line pressure control sensor diagnostic flow
1
CHECK LINE PRESSURE CONTROL SENSOR
2
OK or NG
OK (Without CONSULT-II) / GO TO 3
OK (Without CONSULT-II) — GO TO 3.
OK (Without CONSULT-II) — GO TO 3.
CHECK INPUT SIGNAL (Without CONSULT-II)
OK or NG
NG
Repair or replace line pressure control sensor.
OK (With CONSULT-II) / GO TO 2
3
OK (With CONSULT-II) — GO TO 2.
4
CHECK POWER SOURCE CIRCUIT (With CONSULT-II)
5
OK or NG
NG
Check the following items: Harness for short or open between TCM and line pressure control sensor (Main harness); Ground circuit.
OK / GO TO 4
6
GO TO 4.
7
CHECK DTC
8
OK or NG
NG
1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK
INSPECTION END