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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P079200INTERMEDIATE SPEED SENSOR A
(Intermediate Speed Sensor A Circuit Range/Performance)
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.
  • Range: D
  • Engine speed: 450 rpm or more
  • Input peed: 300 rpm or more
  • Primary pulley speed: 300 rpm or more
  • Secondary pulley seed: 300 rpm or more
  • Lock-up command is being given (except for slip lock-up)
  • DTC other than the applicable DTC is not detected.
SignalPrimary speed sensor signal
ThresholdWhen all of the following conditions are satisfied:
  • Differences between engine speed and primary pulley speed: More than 1,000 rpm
  • Differences between primary pulley speed and input speed: More than 1,000 rpm
  • Differences between engine speed and input speed: 1,000 rpm or less
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 “P0792–00” detected?
Go to Diagnosis ProcedureDTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END