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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 143 (Automatic Transmission - A750F) >> Automatic Transmission System >> DTC P0751 Shift Solenoid "A" Performance (Shift Solenoid Valve S1) >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

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TYPICAL ENABLING CONDITIONS

The monitor will run whenever this DTC is not present. P0115-P0118:ECT sensor
P0125: Insufficient ECT for Closed Loop
P0500: VSS
P0748 - P0798: Trans solenoid (range)
Turbine speed sensor (NT) circuit Not circuit malfunction
Output speed sensor (NO) circuit Not circuit malfunction
Shift solenoid valve S1 circuit Not circuit malfunction
Shift solenoid valve S2 circuit Not circuit malfunction
Shift solenoid valve SR circuit Not circuit malfunction
Shift solenoid valve SL1 circuit Not circuit malfunction
Shift solenoid valve SL2 circuit Not circuit malfunction
ECT (Engine Coolant Temperature) sensor circuit Not circuit malfunction
KCS sensor circuit Not circuit malfunction
ETCS (Electric Throttle Control System) Not system down
Transmission range "D"
ECT 40°C(104°F) or more
Spark advance from Max. retard timing by KCS control 0° crankshaft angle or more
Engine Starting
Transfer range "HIGH"
Vehicle speed sensor circuit Not circuit malfunction
Output shaft speed sensor circuit Not circuit malfunction
Transfer output speed 143 rpm or more
NO/NOtf (Transfer input speed/Transfer output speed) 0.9 to 1.1

OFF malfunction (A) 

TYPICAL ENABLING CONDITIONS

ECM selected gear 1st
Vehicle speed 1.2 to 24.9 mph (2 to 40 km/h)
Throttle valve opening angle 8 % or more and
7 % or more at 2,000 rpm
(Conditions vary with engine speed)

OFF malfunction (B) 

TYPICAL ENABLING CONDITIONS

Current ECM selected gear 5th
Last ECM selected gear 4th
Continuous time for ECM selecting 4th gear 2 seconds or more
Actual gear when ECM selected 4th gear 4th

OFF malfunction (C) 

TYPICAL ENABLING CONDITIONS

Current ECM selected gear 5th
Last ECM selected gear 4th

ON malfunction (A) 

TYPICAL ENABLING CONDITIONS

ECM selected gear 1st
Vehicle speed 1.2 to 24.9 mph (2 to 40 km/h)
Throttle valve opening angle 7 % or more at 2,000 rpm
(Conditions vary with engine speed)

ON malfunction (B) 

TYPICAL ENABLING CONDITIONS

ECM selected gear 4th
Vehicle speed 1.2 mph (2 km/h) or more
Throttle valve opening angle 7 % or more at 2,000 rpm
(Conditions vary with engine speed)

ON malfunction (C) 

TYPICAL ENABLING CONDITIONS

ECM selected gear 3rd
Vehicle speed 1.2 mph (2 km/h) or more
Throttle valve opening angle 7 % or more at 2,000 rpm
(Conditions vary with engine speed)

ON malfunction (D) 

TYPICAL ENABLING CONDITIONS

Current ECM selected gear 5th
Last ECM selected gear 4th
Vehicle speed
(During transition from 4th to 5th gear)
Less than 62.2 mph (100 km/h)

ON malfunction (E) 

TYPICAL ENABLING CONDITIONS

ECM selected gear 5th
Engine speed - Turbine speed (NE - NT)
(After transition from 4th to 5th gear)
Less than 150 rpm
Vehicle speed
(After transition from 4th to 5th gear)
Less than 62.2 mph (100 km/h)