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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 131 (Automatic Transmission System (UA80E) - Diagnostic Codes (1 Of 2)) >> Automatic Transaxle System >> DTC P0745-7F: Pressure Control Solenoid "A" Actuator Stuck Off [12/2019 - 10/2022] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.

OFF malfunction 

  1. Any of the following conditions are met: OFF malfunction (A), (B), (C) or (D)
    OFF MALFUNCTION (A), (B) AND (C)

    Neutral state flag ON
    OFF MALFUNCTION (D)

    Solenoid (SLT) valve ON malfunction
    ECM selected gear 1st, 2nd, 3rd, 4th or 5th
    1st gear pass detection Not fixed
    2nd gear pass detection Not fixed
    3rd gear pass detection Not fixed
    4th gear pass detection Not fixed
    5th gear pass detection Not fixed

    HINT: 

    NEUTRAL STATE FLAG:

    Turbine speed - Output speed x (ECM selected gear ratio) 1000 rpm or more

ON malfunction 

  1. Any of the following conditions are met: ON malfunction (A), (B), (C), (D), (E) or (F)
    ON MALFUNCTION (A)

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 1.401 or more and 1.581 or less
    (When output speed less than 350 rpm)
    (b) Turbine speed - Output speed x 4th gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 350 rpm or more)
    ON MALFUNCTION (B), (D) AND (E)

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 1.142 or more and 1.323 or less
    (When output speed less than 550 rpm)
    (b) Turbine speed - Output speed x 5th gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 550 rpm or more)
    ON MALFUNCTION (C)

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 1.910 or more and 2.189 or less
    (When output speed less than 350 rpm)
    (b) Turbine speed - Output speed x 3rd gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 350 rpm or more)
    ON MALFUNCTION (F)

    Solenoid (SLT) valve ON malfunction
    ECM selected gear 6th, 7th or 8th
    6th gear pass detection Not fixed
    7th gear pass detection Not fixed
    8th gear pass detection Not fixed
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