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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P18A800P POSITION SWITCH
(P Position Switch Error)
1Diagnosis conditionWhen the Ignition switch is ON
Signal (terminal)P position switch No. 1 and No. 2 signal
ThresholdP position switches No. 1 and No. 2 are stuck at ON or OFF.
Diagnosis delay time
2Diagnosis conditionWhen the Ignition switch is ON
Signal (terminal)P position switch No. 1 and No. 2 signal
ThresholdP position switch No. 1 is stuck at ON and P position switch No. 2 is stuck at OFF.
Diagnosis delay time
P position switchP position switch
No. 1No. 2
PressONOFF
No pressOFFON
 
 
POSSIBLE CAUSE
  • Harness or connectors (P position switch No. 1 and No. 2 circuits are open or shorted.)
  • P position switch
 
 
FAIL-SAFE
Pushing the P position switch does not switch to the P position
 
 
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 60 seconds before conducting the next test.
: .
 
2.PERFORM DTC CONFIRMATION PROCEDURE - 1
With M.U.T.-III SE
  1. The ignition switch is ON.
  2. Press the P position switch to shift to P position and wait for 5 seconds or more. (Be sure to press the P position switch for 1 seconds or more.).
  3. Check DTC.
Is “P18A8-00 detected?
Go to Diagnosis ProcedureDTC Diagnosis Procedure.
.
 
3.PERFORM DTC CONFIRMATION PROCEDURE - 2
With M.U.T.-III SE
  1. Release the P position switch and wait for 5 minutes or more.
  2. Check DTC.
Is “P18A8-00 detected?
Go to Diagnosis ProcedureDTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Go to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END