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DI-1068
                                                   DIAGNOSTICS       -   AUTOMATIC TRANSMISSION (A750E for 1GR-FE)
                                                                                                                            DIDVN-01




    DTC                    P0985             Shift Solenoid "E" Control Circuit Low
                                             (Shift Solenoid Valve SR)


    DTC                    P0986             Shift Solenoid "E" Control Circuit High
                                             (Shift Solenoid Valve SR)

CIRCUIT DESCRIPTION
Shifting from 1st to 5th is performed in combination with "ON" and "OFF" operation of the shift solenoid valves
SL1, SL2, S1, S2 and SR which are controlled by the ECM. If an open or short circuit occurs in either of the
shift solenoid valves, the ECM controls the remaining normal shift solenoid valves to allow the vehicle to be
operated smoothly (See page DI-985).
   DTC No.                        DTC Detection Condition                                                Trouble Area
                                                                               S Short in shift solenoid valve SR circuit
                ECM detects short in solenoid valve SR circuit 2 times when
   P0985                                                                       S Shift solenoid valve SR
                solenoid valve SR is operated (1-trip detection logic)
                                                                               S ECM
                                                                               S Open in shift solenoid valve SR circuit
                ECM detects open in solenoid valve SR circuit 2 times when
   P0986                                                                       S Shift solenoid valve SR
                solenoid valve SR is not operated (1-trip detection logic)
                                                                               S ECM


MONITOR DESCRIPTION
These DTCs indicate an open or short in the shift solenoid valve SR circuit. When there is an open or short
circuit in any shift solenoid valve circuit, the ECM detects the problem and illuminates the MIL and stores
the DTC. When the shift solenoid valve SR is on, if resistance is 8  or less, the ECM determines there is
a short in the shift solenoid valve SR circuit.
When the shift solenoid valve SR is off, if resistance is 100 k or more, the ECM determines there is an open
in the shift solenoid valve SR circuit (See page DI-985).

MONITOR STRATEGY
                                                 P0985              Shift solenoid valve SR/Range check (Low resistance)
           Related DTCs
           R l t d DTC
                                                 P0986              Shift solenoid valve SR/Range check (High resistance)
  Required sensors/Components       Shift solenoid valve SR
     Frequency of operation         Continuous
             Duration               0.064 sec.
           MIL operation            Immediate
      Sequence of operation         None
                                                                                                                              DI-1069
                                                  DIAGNOSTICS   -     AUTOMATIC TRANSMISSION (A750E for 1GR-FE)

TYPICAL ENABLING CONDITIONS
                                                                               Specification
                  Item
                  It
                                                         Minimum                                          Maximum
The monitor will run whenever these
                                                                              See page DI-963
DTCs are not present.

Range check (Low resistance)
Shift solenoid valve SR                                                             ON
Battery voltage                                         8 V or more                                           -
Ignition switch                                                                     ON
Starter                                                                            OFF

Range check (High resistance)
Shift solenoid valve SR                                                            OFF
Battery voltage                                         8 V or more                                           -
Ignition switch                                                                     ON
Starter                                                                            OFF


TYPICAL MALFUNCTION THRESHOLDS
                     Detection criteria                                                  Threshold
Range check (Low resistance)
Shift solenoid valve SR resistance                                                       8  or less
Range check (High resistance)
Shift solenoid valve SR resistance                                                    100 k or more


COMPONENT OPERATING RANGE
                          Parameter                                                    Standard value
Shift solenoid valve SR                                                      Resistance: 11 to 15 at 20



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