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Home >> Lexus >> 2022 >> LS 500h RWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (W/ Advanced Park) - Diagnostic Codes (5 Of 5) & Circuit Tests (1 Of 2) >> HYBRID CONTROL SYSTEM (w/ Advanced Park) >> DTC P2797-62: Auxiliary Transmission Fluid Pump Signal Compare Failure [11/2021 - 10/2023] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

One of the following conditions is met: Condition (A), (B) or (C)

CONDITION (A)

Target speed of transmission fluid pump motor - Measurement speed of transmission fluid pump motor 800 rpm or more at transmission fluid temperature 40°C for more than 10 sec.
(Conditions vary with transmission fluid temperature)
CONDITION (B)

One of the following conditions is met 1, 2, 3, 4, or 5
1. Motor speed - Output speed x 1st gear ratio 400 rpm or more
2. Motor speed - (-Output speed x 1st gear ratio) l 400 rpm or more
3. Motor speed - Output speed x 2nd gear ratio 400 rpm or more
4. Motor speed - Output speed x 3rd gear ratio 400 rpm or more
5. Motor speed - Output speed x 4th gear ratio 400 rpm or more
CONDITION (C)

One of the following conditions is met 1, 2, 3, 4, 5, 6 or 7
1. Solenoid (SL1) valve ON or OFF malfunction
2. Solenoid (SL2) valve OFF malfunction
3. Solenoid (SL3) valve OFF malfunction
4. Solenoid (SL4) valve ON or OFF malfunction
5. Solenoid (SC1) valve OFF malfunction
6. Solenoid (SC2) valve ON malfunction
7. Solenoid (SLT) valve ON malfunction
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