4JA1 4JH1 Service Manual

Page 547

4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS

6E–293

Diagnostic Trouble Code (DTC) P1120 (Symptom Code 7) (Flash Code 21) Pedal/Throttle Position Sensor Voltage Supply Circuit High Input Step

Action

Value(s)

1

Was the “On-Board Diagnostic (OBD) System Check” performed?

Yes

No

Go to Step 2

Go to On Board Diagnostic (OBD) System Check

Go to Step 3

Refer to Diagnostic Aids and Go to Step 3

Go to Step 4

Refer to Diagnostic Aids and Go to Step 4

Verify repair

Go to Step 5

Go to Step 8

Go to Step 6

— 2

1. Connect the Tech 2. 2. Review and record the failure information. 3. Select “F0: Read DTC Infor As Stored By ECU” in “F0: Diagnostic Trouble Codes”. Is the DTC P1120 (Symptom Code 7) stored as “Present Failure”?

3

1. Using the Tech 2, ignition “On” and engine “Off”. 2. Select “F1: Clear DTC Information” in “F0: Diagnostic Trouble Codes” with the Tech 2 and clear the DTC information. 3. Operate the vehicle and monitor the “F0: Read DTC Infor As Stored By ECU” in the “F0: Diagnostic Trouble Codes”. Was the DTC P1120 (Symptom Code 7) stored in this ignition cycle?

4

Check for poor/faulty connection at the TPS or ECM connector. If a poor/faulty connection is found, repair as necessary. Was the problem found? C-56

49

39

57

1

5

Visually check the TPS. Was the problem found?

E-22

2 3


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