[ Model - ECLIPSE CROSS / Year - 2018 ]
2018 / ECLIPSE CROSS / EC - Workshop Manual
13 -FUEL > 13A-DIRECT INJECTION AND MULTIPOINT FUEL INJECTION (DI AND MPI) > TROUBLESHOOTING > DIAGNOSIS CODE PROCEDURES > CODE NO. P0642 THROTTLE POSITION SENSOR POWER SUPPLY
Code No. P0642: Throttle Position Sensor Power Supply

 
 
 
 
FUNCTION
  • Engine-ECU checks the throttle position sensor power voltage for abnormal conditions.
 
 
TROUBLE JUDGEMENT
Check Condition
  • Battery positive voltage is more than 6.3 V.
Judgement Criterion
  • Throttle position sensor power voltage is less than 4.3 V.
 
 
FAIL-SAFE AND BACKUP FUNCTION
  • Throttle opening degree position is in default position.
 
 
PROBABLE CAUSE
  • Failed engine-ECU
 
 
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-IIISE diagnosis code
  • Reconfirmation of diagnosis code.
Is the diagnosis code set?
Replace the engine-ECU.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).