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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P084100FLUID PRESS SEN/SW A
(Transmission Fluid Pressure Sensor/Switch “A” Circuit Range/Performance)
Diagnosis conditionWhen all of the following conditions are satisfied:
  • TCM power supply voltage: More than 11 V
  • DTC other than the applicable DTC is not detected.
  • Primary pulley speed: 300 rpm or more
  • Secondary pulley speed: 250 rpm or more
  • Target speed for shifting: Less than 0.1 seconds
  • Pulley ratio: 0.5 – 1.0
Signal—
ThresholdPrimary pulley pressure is outside the specified value
Diagnosis delay time5 seconds
 
 
POSSIBLE CAUSE
  • Harness or connector (Secondary pressure sensor circuit is open or shorted)
  • Harness or connector (Primary pressure sensor circuit is open or shorted)
  • Secondary pressure sensor
 
 
FAIL-SAFE
Not changed from normal driving
 
 
DTC CONFIRMATION PROCEDURE
cautionAlways drive vehicle at a safe speed.
1.CHECK DTC PRIORITY
When DTC P0841–00 is displayed together with P17F0–07, diagnose first the P17F0–07.
Is "P17F0–07" detected?
Perform diagnosis of P17F0–07. Refer to Diagnosis ProcedureDTC Diagnosis Procedure.
.
 
2.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.
: .
 
3.CHECK DTC DETECTION
  1. Start the engine.
  2. Drive the vehicle.
  3. Maintain the following condition for 10 seconds or more.
    Shift position: “D” position
    Vehicle speed: Constant speed of 40 km/h (25 MPH)
    cautionAlso keep the accelerator pedal position constant.
  4. Stop the vehicle.
  5. Check the first trip DTC.
Is “P0841–00” detected?
Go to Diagnosis ProcedureDTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END