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Home >> Lexus >> 2006 >> IS 250 RWD, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission (A760H)) >> Automatic Transmission System >> DTC P0751 Shift Solenoid "A" Performance (Shift Solenoid Valve S1) >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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

[OFF malfunction]

Both of the following conditions are met:

OFF malfunction (A)

OFF malfunction (B), (C) or (D)

OFF malfunction (A) 

TYPICAL MALFUNCTION THRESHOLDS TABLE - OFF MALFUNCTION (A)

Turbine speed/Output speed (NT/NO) 0.65 or more, and 0.79 or less
(This means actual gear is 5th)

OFF malfunction (B) 

TYPICAL MALFUNCTION THRESHOLDS TABLE - OFF MALFUNCTION (B)

Turbine speed/Output speed (NT/NO) 3.40 or more, and 7.50 or less
(This means actual gear is 1st)

OFF malfunction (C) 

TYPICAL MALFUNCTION THRESHOLDS TABLE - OFF MALFUNCTION (C)

Turbine speed-Output speed x 5th gear ratio (NT-NO x 5th gear ratio) 1,000 rpm or more

OFF malfunction (D) 

TYPICAL MALFUNCTION THRESHOLDS TABLE - OFF MALFUNCTION (D)

Turbine speed-Output speed x 6th gear ratio (NT-NO x 6th gear ratio) 1,000 rpm or more

[ON malfunction]

Both of the following conditions are met: ON malfunction (A) and (B)

2 detections are necessary per driving cycle:

1st detection; temporary flag ON

2nd detection; pending fault code ON

ON malfunction (A) 

TYPICAL MALFUNCTION THRESHOLDS TABLE - ON MALFUNCTION (A)

Turbine speed/Output speed (NT/NO) 1.91 or more, and 2.50 or less (This means actual gear is 2nd)

ON malfunction (B) 

TYPICAL MALFUNCTION THRESHOLDS TABLE - ON MALFUNCTION (B)

Turbine speed/Output speed (NT/NO) 0.65 or more, and 0.79 or less (This means actual gear is 5th)