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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P079100INTERMEDIATE SPEED SENSOR A
(Intermediate Speed Sensor A Circuit)
Diagnosis conditionWhen all of the following conditions are satisfied:
  • TCM power supply voltage: More than 11 V
  • After range change completion, it spends 2 seconds or more.
SignalPrimary speed sensor signal
ThresholdWhen all of the following conditions are satisfied:
  • Primary pulley speed: Less than 150 rpm
  • Secondary pulley speed: 500 rpm or more
Diagnosis delay time5 seconds
 
 
POSSIBLE CAUSE
  • Harness or connector (Primary speed sensor circuit is open or shorted)
  • Primary speed sensor
 
 
FAIL-SAFE
  • Start is slow
  • Acceleration is slow
  • Lock-up is not performed
  • Manual mode is not activated
 
 
DTC CONFIRMATION PROCEDURE
cautionBe careful of the driving speed.
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, the ignition switch is OFF and wait for at least 10 seconds, then perform the next test.
: .
 
2.CHECK DTC DETECTION
  1. Start the engine.
  2. Drive the vehicle.
  3. Maintain the following conditions for 10 seconds or more.
    Shift position: “D” POSITION
    Engine speed: 1,200 rpm or more
    Vehicle speed: 40 km/h (25 MPH) or more
  4. Stop the vehicle.
  5. Check the first trip DTC.
Is “P0791–00” detected?
Go to Diagnosis ProcedureDTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END