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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Automatic Transaxle) >> Automatic Transmission System >> DTC P2808: Pressure Control Solenoid "G" Performance (Shift Solenoid Valve SL4) >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

OFF malfunction 

When one of following conditions is met: OFF malfunction (A), (B), (C), (D) or (E)

OFF malfunction (A) 

When either condition below is met. Condition (1) or (2)

Condition (1) 

TYPICAL MALFUNCTION THRESHOLDS

Turbine speed / Output speed (NT / NO) 3 9 or more and 8 0 or less (when output speed less than 130 rpm)

Condition (2) 

TYPICAL MALFUNCTION THRESHOLDS

Turbine speed - Output speed (NT - NO) x 1st gear ratio (Actual 1st gear) -50 rpm or more and 50 rpm or less (when output speed 130 rpm or more)

OFF malfunction (B) and (D) 

TYPICAL MALFUNCTION THRESHOLDS

Turbine speed - Output speed (NT - NO) x 4th gear ratio 400 rpm or more

OFF malfunction (C) 

TYPICAL MALFUNCTION THRESHOLDS

Turbine speed - Output speed (NT - NO) x 6th gear ratio 400 rpm or more

OFF malfunction (E) 

TYPICAL MALFUNCTION THRESHOLDS

Shift solenoid valve SLT ON malfunction

ON malfunction 

When one of the following conditions is met ON malfunction (A), (B), (C) or (D)

2 detections are necessary per driving cycle.

1st detection. temporary flag ON

2nd detection. pending fault code ON

ON malfunction (A) and (B) 

When either condition below is met Condition (1) or (2)

Condition (1) 

TYPICAL MALFUNCTION THRESHOLDS

Turbine speed / Output speed (NT / NO) 1 354 or more and 1 584 or less (when output speed less than 600 rpm)

Condition (2) 

TYPICAL MALFUNCTION THRESHOLDS

Turbine speed - Output speed (NT - NO) x 4th gear ratio (Actual 4th gear) -50 rpm or more and 50 rpm or less (when output speed 600 rpm or more)

ON malfunction (C) and (D) 

When either condition below is met. Condition (1) or (2)

Condition (1) 

TYPICAL MALFUNCTION THRESHOLDS

Turbine speed / Output speed (NT / NO) 0 93 or more and 1 07 or less (when output speed less than 800 rpm)

Condition (2) 

TYPICAL MALFUNCTION THRESHOLDS

Turbine speed - Output speed (NT - NO) x 6th gear ratio (Actual 6th gear) -50 rpm or more and 50 rpm or less (when output speed 800 rpm or more)