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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P089000TCM
(Transmission Control Module Power Relay Sense Circuit Low)
Diagnosis conditionTCM power supply voltage: More than 11 V
Signal—
ThresholdBattery voltage: Less than 8.4 V
Diagnosis delay time1 second
 
 
POSSIBLE CAUSE
  • Harness or connector [TCM power supply (back-up) circuit is open or shorted]
  • TCM
 
 
FAIL-SAFE
  • Selector shock is large
  • Start is slow
  • Acceleration is slow
  • Lock-up is not performed
  • Vehicle speed is not increased
 
 
DTC CONFIRMATION PROCEDURE
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 and wait for 5 seconds or more.
  2. Check the DTC.
Is “P0890–00” detected?
Go to Diagnosis ProcedureDTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END