Code No. P1970: Torque Monitoring




FUNCTION




TROUBLE JUDGMENT


Check Condition
Judgment Criterion

PROBABLE CAUSES








DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III diagnosis code


Q. Diagnosis code set?

Inspection chart for diagnosis code (Refer to ).
Go to Step 2 .

STEP 2. M.U.T.-III data list



  • Refer to Data List Reference Table .

    1. Item No. 7: Manifold absolute pressure sensor
    2. Item No. 11: Accelerator pedal position sensor (main)
    3. Item No. 12: Accelerator pedal position sensor (sub)

Q. Is the check results normal?

Go to Step 3 .
Perform the diagnosis code classified check procedure for the sensor that has shown an abnormal data value (Refer to Inspection Chart for Diagnosis Code ).

STEP 3. Check for intake of air from gaps in gasket, seals, etc.


Q. Is the check result normal?

Go to Step 4 .
Repair for intake of air from gaps in gasket, seals, etc.

STEP 4. Check the throttle valve control servo itself.



  • Check the throttle valve control servo itself (Refer to )

Q. Is the check result normal?

Go to Step 5 .
Replace the throttle body assembly.

STEP 5. Connector check: A-118 electronic-controlled throttle valve connector and A-08 engine-ECU connector or engine-A-M/T-ECU connector.




Q. Is the check result normal?

Go to Step 6 .

Repair or replace the connector.

STEP 6. Check harness between A-118 (terminal No. 1) electronic-controlled throttle valve connector and A-08 (terminal No. 7) engine-ECU connector or engine-A-M/T-ECU connector.





  • Check output line for damage.

Q. Is the check result normal?

Go to Step 7 .

Repair the damaged harness wire.

STEP 7. Check harness between A-118 (terminal No. 2) electronic-controlled throttle valve connector and A-08 (terminal No. 22) engine-ECU connector or engine-A-M/T-ECU connector.





  • Check output line for damage.

Q. Is the check result normal?

Go to Step 8 .

Repair the damaged harness wire.

STEP 8. M.U.T.-III diagnosis code.



  • Reconfirmation of diagnosis code.

Q. Is the diagnosis code set?

Replace the engine-ECU or engine-A-M/T-ECU then perform the variant coding (Refer to GROUP 00 - Precautions Before Service - How to Perform Variant Coding ).
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).




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