LEMON Manuals: Even more car manuals for everyone
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) [08/2017 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

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

The monitor will run whenever the following DTCs are not stored P0717 (Turbine speed sensor circuit)
P0722 (Output speed sensor circuit)
P0973, P0974 (Shift solenoid valve S1 circuit)
P0976, P0977 (Shift solenoid valve S2 circuit)
P0985, P0986 (Shift solenoid valve SR circuit)
P0748 (Shift solenoid valve SL1 circuit)
P0778 (Shift solenoid valve SL2 circuit)
P0128 (ECT (Engine Coolant Temperature) sensor circuit)
P0327, P0328, P0332, P0333 (KCS sensor circuit)
ETCS (Electric Throttle Control System) Not system down
Transmission position "D"
Duration time from shifting "N" to "D" 4 sec. or more
ECT 40°C (104°F) or higher
Spark advance from max. retard timing by KCS control 0° crankshaft angle or more
Engine Starting
P0746 AND P0771: OFF MALFUNCTION (A)

ECM selected gear 5th
Duration time from shift command of ECM 2 sec. or more
Vehicle speed 2 km/h (1.2 mph) or more
Throttle valve opening angle 6.5% or more at 2000 rpm
(Conditions vary with engine speed)
Calculated load value 7.75% or more
Following conditions is met: (a), (b), (c), (d) or (e) -
(a) Turbine speed/Output speed (NT/NO) 3.30 or more, and 7.50 or less
(This means actual gear is 1st)
(b) Turbine speed/Output speed (NT/NO) 1.91 or more, and 2.35 or less
(This means actual gear is 2nd)
(c) Turbine speed/Output speed (NT/NO) 1.28 or more, and 1.53 or less
(This means actual gear is 3rd)
(d) Turbine speed/Output speed (NT/NO) 0.93 or more, and 1.07 or less
(This means actual gear is 4th)
(e) Turbine speed/Output speed (NT/NO) 0.65 or more, and 0.79 or less
(This means actual gear is 5th)
P0746 AND P0771: OFF MALFUNCTION (B)

Current ECM selected gear 5th
Last ECM selected gear 4th
Duration time from 4th to 5th shift command of ECM 0.3 sec. or more, and less than 3 sec.
Continuous time for ECM selecting 4th gear 2 sec. or more
Actual gear when ECM selected 4th gear 4th
P0746 AND P0771: OFF MALFUNCTION (C)

Current ECM selected gear 5th
Last ECM selected gear 4th
Duration time from 4th to 5th shift command of ECM 3 sec. or more
P0771: ON MALFUNCTION

Current ECM selected gear 2nd
Last ECM selected gear 1st
Throttle valve opening angle
(During transition from 1st to 2nd gear)
6.5% or more at 2000 rpm
(Conditions vary with engine speed)