Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mitsubishi >> 2003 >> Outlander LS, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle Diagnosis >> Diagnostic Trouble Code Procedures >> DTC 12: TP Sensor System < Open Circuit > >> Diagnosis

DTC 12: TP Sensor System < Open Circuit >: Diagnosis

Required Special Tool : 

  1. STEP 1. Using scan tool MB991502, check data list item 11: TP Sensor. 
    CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991502.
    1. Connect scan tool MB991502 to the data link connector.
      Fig 1: Connecting Scan Tool To Data Link Connector
      G01863835Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    2. Turn the ignition switch to the "ON" position.
    3. Set scan tool MB991502 to the data reading mode for item 11, TP Sensor.
      • With the throttle valve in the idle position, voltage should measure between 535 and 735 mV.
      • With the throttle valve in the full-open position, voltage should measure between 4,500 and 5,500 mV.
    4. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is the measured voltage between 535 and 735 mV at idle, and between 4,500 and 5,500 mV in the full-open position? 

    1. YES :  It can be assumed that this malfunction is intermittent. Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS .
    2. NO :  Go to Step 2.
  2. STEP 2. Measure the TP sensor output voltage at TP sensor connector B-06 by backprobing. 
    1. Do not disconnect connector B-06.
      Fig 2: Identifying TP Sensor Connector B-06
      G01863836Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    2. Turn the ignition switch to the "ON" position.
    3. Measure the voltage between terminal 2 and ground by backprobing.
      • With the throttle valve in the idle position, voltage should measure between 0.535 and 0.735 volt.
      • With the throttle valve in the full-open position, voltage should measure between 4.5 and 5.5 volt.
      Fig 3: Measuring Voltage Between Terminal 2 (Connector B-06) And Ground
      G01863837Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    4. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is the measured voltage between 0.535 and 0.735 volt at idle, and between 4.5 and 5.5 volts in the full-open position? 

    1. YES :  Go to Step 3.
    2. NO :  Go to Step  8.
  3. STEP 3. Measure the TP sensor output voltage at PCM connector C-110 by backprobing. 
    1. Do not disconnect connector C-110.
      Fig 4: Identifying PCM Connector C 110
      G01863838Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    2. Turn the ignition switch to the "ON" position.
    3. Measure the voltage between terminal 78 and ground by backprobing.
      • With the throttle valve in the idle position, voltage should measure between 0.535 and 0.735 volt.
      • With the throttle valve in the full-open position, voltage should measure between 4.5 and 5.5 volt.
      Fig 5: Measuring Voltage Between Terminal 78 (Connector C-110) And Ground
      G01863839Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    4. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is the measured voltage between 0.535 and 0.735 volt at idle, and between 4.5 and 5.5 volts in the full-open position? 

    1. YES :  Go to Step 4.
    2. NO :  Go to Step  6.
  4. STEP 4. Check TP sensor connector B-06 and PCM connector C-110 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 
    Fig 6: Identifying TP Sensor Connector B-06
    G01863840Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 7: Identifying Terminals Of PCM Connector C-110
    G01863841Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Are the connectors and terminals in good condition? 

    1. YES :  Go to Step 5.
    2. NO :  Repair or replace the damaged components. Refer to HARNESS CONNECTOR INSPECTION .
  5. STEP 5. Using scan tool MB991502, check data list item 11: TP Sensor. 
    CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991502.
    1. Connect scan tool MB991502 to the data link connector.
      Fig 8: Connecting Scan Tool To Data Link Connector
      G01863842Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    2. Turn the ignition switch to the "ON" position.
    3. Set scan tool MB991502 to the data reading mode for item 11, TP Sensor.
      • With the throttle valve in the idle position, voltage should measure between 535 and 735 mV.
      • With the throttle valve in the full-open position, voltage should measure between 4,500 and 5,500 mV.
    4. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is the measured voltage between 535 and 735 mV at idle, and between 4,500 and 5,500 mV in the full-open position? 

    1. YES :  It can be assumed that this malfunction is intermittent. Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS .
    2. NO :  Replace the PCM.
  6. STEP 6. Check TP sensor connector B-06 and PCM connector C-110 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 
    Fig 9: Identifying TP Sensor Connector B-06
    G01863843Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 10: Identifying PCM Connector C-110
    G01863844Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Are the connectors and terminals in good condition? 

    1. YES :  Go to Step 7.
    2. NO :  Repair or replace the damaged components. Refer to HARNESS CONNECTOR INSPECTION .
  7. STEP 7. Check the harness for open circuit or damage between TP sensor connector B-06 terminal 2 and PCM connector C-110 terminal 78. 
    Fig 11: Identifying TP Sensor Connector B-06
    G01863845Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 12: Identifying PCM Connector C-110
    G01863846Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Is the harness wire in good condition? 

    1. YES :  Go to Step  5.
    2. NO :  Repair or replace the harness wire.
  8. STEP 8. Measure the power supply voltage from the PCM at the TP sensor connector B-06 by backprobing. 
    1. Do not disconnect connector B-06.
      Fig 13: Identifying TP Sensor Connector B-06
      G01863847Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    2. Turn the ignition switch to the "ON" position.
    3. Measure the voltage between terminal 1 and ground by backprobing.
      • The voltage should measure between 4.9 and 5.1 volts.
      Fig 14: Measuring Voltage Between Terminal 1 (Connector B-06) And Ground
      G01863848Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    4. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is the measured voltage between 4.9 and 5.1 volts? 

    1. YES :  Go to Step  14.
    2. NO :  Go to Step 9.
  9. STEP 9. Measure the power supply voltage at PCM connector C-111 by backprobing. 
    1. Do not disconnect connector C-111.
      Fig 15: Identifying Terminals Of PCM Connector C-111
      G01863849Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    2. Turn the ignition switch to the "ON" position.
    3. Measure the voltage between terminal 46 and ground by backprobing.
      • The voltage should measure between 4.9 and 5.1 volts.
      Fig 16: Measuring Voltage Between Terminal 46 (Connector C-111) And Ground
      G01863850Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    4. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is the measured voltage between 4.9 and 5.1 volts? 

    1. YES :  Go to Step 10.
    2. NO :  Go to Step  12.
  10. STEP 10. Check TP sensor connector B-06 and PCM connector C-111 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 
    Fig 17: Identifying TP Sensor Connector B-06
    G01863851Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 18: Identifying PCM Connector C-111
    G01863852Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Are the connectors and terminals in good condition? 

    1. YES :  Go to Step 11.
    2. NO :  Repair or replace the damaged components. Refer to HARNESS CONNECTOR INSPECTION .
  11. STEP 11. Check the harness for open circuit or damage between TP sensor connector B-06 terminal 1 and PCM connector C-111 terminal 46. 
    Fig 19: Identifying TP Sensor Connector B-06
    G01863853Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 20: Identifying PCM Connector C-111
    G01863854Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Is the harness wire in good condition? 

    1. YES :  Go to Step  5.
    2. NO :  Repair or replace the harness wire.
  12. STEP 12. Check TP sensor connector B-06 and PCM connector C-111 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 
    Fig 21: Identifying TP Sensor Connector B-06
    G01863855Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 22: Identifying PCM Connector C-111
    G01863856Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Are the connectors and terminals in good condition? 

    1. YES :  Go to Step 13.
    2. NO :  Repair or replace the damaged components. Refer to HARNESS CONNECTOR INSPECTION .
  13. STEP 13. Check the harness for a short circuit to ground between TP sensor connector B-06 terminal 1 and PCM connector C-111 terminal 46. 
    Fig 23: Identifying TP Sensor Connector B-06
    G01863857Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 24: Identifying PCM Connector C-111
    G01863858Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Is the harness wire in good condition? 

    1. YES :  Go to Step  5.
    2. NO :  Repair or replace the harness wire.
  14. STEP 14. Check TP sensor connector B-06 for loose, corrupted or damaged terminals, or terminals pushed back in the connector. 
    Fig 25: Identifying TP Sensor Connector B-06
    G01863859Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Are the connector and terminals in good condition? 

    1. YES :  Go to Step 15.
    2. NO :  Repair or replace the damaged components. Refer to HARNESS CONNECTOR INSPECTION .
  15. STEP 15. Check the TP sensor. 
    1. Disconnect connector B-06 and measure at the TP sensor side.
      Fig 26: Identifying TP Sensor Connector B-06
      G01863860Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    2. Measure the resistance between TP sensor connector terminals 1 and 4.

      Specified resistance: 3.5 - 6.5 kΩ 

      Fig 27: Measuring Resistance Between TP Sensor Connector (B-06) Terminals 1 And 4
      G01863861Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    3. Measure the resistance between TP sensor connector terminals 2 and 4.
    4. Move the throttle valve from the idle position to the full-open position.
      • The resistance should change smoothly in proportion to the opening angle of the throttle valve.
      5. Fig 28: Measuring Resistance Between TP Sensor Connector (B-06) Terminals 2 And 4
      G01863862Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Dose the resistance change smoothly between 3.5 - 6.5 kΩ in proportion to the opening angle of the throttle valve? 

    1. YES :  Go to Step 16.
    2. NO :  Replace the TP sensor. Refer to THROTTLE POSITION SENSOR .
  16. STEP 16. Check PCM connectors C-110 and C-111 for loose, corroded or damaged terminals, or terminals pushed back in the connector. 
    Fig 29: Identifying PCM Connector C-110 And C-111
    G01863863Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Are the connectors and terminals in good condition? 

    1. YES :  Go to Step 17.
    2. NO :  Repair or replace the damaged components. Refer to HARNESS CONNECTOR INSPECTION .
  17. STEP 17. Check the harness for a short circuit to ground or damage between TP sensor connector B-06 terminal 2 and PCM connector C-110 terminal 78. 
    Fig 30: Identifying TP Sensor Connector B-06
    G01863864Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 31: Identifying PCM Connector C-110
    G01863865Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

    Q: Is the harness wire in good condition? 

    1. YES :  Go to Step 18.
    2. NO :  Repair or replace the harness wire.
  18. STEP 18. Check the TP sensor connector and harness for a short circuit to ground between the TP sensor and the auto-cruise control-ECU connector. 

    Q: Are the connector and harness wire in good condition? 

    1. YES :  Adjust the TP sensor. Refer to THROTTLE POSITION SENSOR .
    2. NO :  Repair or replace the damaged components.
scientia non olet · About Mike's Workshop Manuals