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Home >> Toyota >> 2016 >> 4Runner Limited, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission System (A750E) - Diagnostic Codes & Circuit Tests) >> Automatic Transmission System >> DTC P0746: Pressure Control Solenoid "A" Performance (Shift Solenoid Valve SL1); DTC P0771: Shift Solenoid "E" Performance (Shift Solenoid Valve SR) [08/2015 - 08/2017] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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

[P0746 and P0771: OFF malfunction] 

  1. All of the following conditions are met: OFF malfunction (A), (B) and (C)
  2. 2 detections are necessary per driving cycle
  3. 1st detection: temporary flag ON
  4. 2nd detection: pending fault code ON
OFF MALFUNCTION (A)

Turbine speed/Output speed (NT/NO) 0.93 or more, and 1.07 or less
(This means actual gear is 4th)
OFF MALFUNCTION (B)

Turbine speed/Output speed (NT/NO) Does not change as follows
0.93 or more, and 1.07 or less
(This means actual gear is 4th)

0.65 or more, and 0.79 or less
(This means actual gear is 5th)
OFF MALFUNCTION (C)

Output record of ECM from 4th to 5th up-shift Recorded

[P0771: ON malfunction] 

  1. 2 detections are necessary per driving cycle
  2. 1st detection: temporary flag ON
  3. 2nd detection: pending fault code ON
ON MALFUNCTION

Turbine speed - Output speed x 1st gear ratio
(NT - NO x 1st gear ratio)
150 rpm or more