DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System (UA80F) - Diagnostic Codes (2 Of 2) & Symptom Tests >> Automatic Transaxle System >> DTC P0791-12: Intermediate Shaft Speed Sensor "A" Circuit Short to Battery; DTC P0791-14: Intermediate Shaft Speed Sensor "A" Circuit Short to Ground or Open; DTC P0791-31: Intermediate Shaft Speed Sensor "A" No Signal [12/2019 - 10/2022] >> Typical Enabling Conditions

Typical Enabling Conditions

ALL

Battery voltage 8 V or more
Ignition switch ON
Starter OFF
P0793

The monitor will run whenever the following DTCs are not stored P07C5, P07C6 (Intermediate shaft speed sensor circuit)
U0100 (CAN communication system)
P2716 (Pressure control solenoid circuit)
Intermediate shaft speed sensor range check fail (P07C5, P07C6)
(Pending / MIL)		 Not detected
Vehicle speed 25 km/h (15.54 mph) or more
Shift change is completed and before starting next shift change operation -
Park/neutral position switch OFF
R range position switch OFF
D range position switch ON
Engine Running
Pressure control solenoid circuit fail (P08C1, P08C2, P0962, P0963, P0966, P0967, P0970, P0971, P2720, P2721, P2814, P2815, P281D, P281E)
(Pending + MIL)		 Not detected
Torque converter clutch pressure control solenoid circuit fail (P2763, P2764)
(Pending + MIL)		 Not detected
Torque converter clutch solenoid circuit fail (P2769, P2770)
(Pending + MIL)		 Not detected
  1. One of the following conditions is met: Condition (A), (B), (C), (D), (E), (F), (G) or (H)
    CONDITION (A)

    ECM selected gear 1st
    Turbine speed sensor revolution 2390 rpm or more
    CONDITION (B)

    ECM selected gear 2nd
    Turbine speed sensor revolution 1380 rpm or more
    CONDITION (C)

    ECM selected gear 3rd
    Turbine speed sensor revolution 890 rpm or more
    CONDITION (D)

    ECM selected gear 4th
    Turbine speed sensor revolution 620 rpm or more
    CONDITION (E)

    ECM selected gear 5th
    Turbine speed sensor revolution 540 rpm or more
    CONDITION (F)

    ECM selected gear 6th
    Turbine speed sensor revolution 440 rpm or more
    CONDITION (G)

    ECM selected gear 7th
    Turbine speed sensor revolution 350 rpm or more
    CONDITION (H)

    ECM selected gear 8th
    Turbine speed sensor revolution 300 rpm or more
  2. Either of the following conditions is met: Condition (I) or (J)
    CONDITION (I)

    ECT 20°C (68°F) or more
    ECT sensor circuit fail (P0117, P0118)
    (Pending + MIL)    		 Not detected
    Time after park/neutral position switch ON to OFF 2 seconds or more
    CONDITION (J)

    Either of the following conditions is met (a) or (b)
    (a) ECT Less than 20°C (68°F)
    (b) ECT sensor circuit fail (P0117, P0118)
    (Pending + MIL)    		 Detected
    Time after park/neutral position switch ON to OFF 30 seconds or more
P07C5, P07C6

The monitor will run whenever the following DTCs are not stored P0793 (Intermediate shaft speed sensor verify pulse input)
Intermediate shaft speed sensor pulse input fail (P0793)
(Pending / MIL)		 Not detected
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