P2138

DTC P2138

DTC Detecting Condition and Trouble Area






Circuit Diagram










DTC Confirmation Procedure

NOTE:

Confirm that the following conditions are met in this "DTC Confirmation Procedure".

- Battery voltage >= 11 V

1) Push engine switch to change ignition mode to "ON".
2) Keep accelerator pedal at fully depressed position for 2 sec.
3) Keep accelerator pedal at release position for 2 sec.
4) Repeat Step 2) through 3) for 3 times.

DTC Troubleshooting

1.
Was "Engine and Emission Control System Check" performed?
YES -
Go to Step 2.
NO -
Go to Engine and Emission Control System Check Engine and Emission Control System Check.

2. Wire harness check

Check the following points.
- "A1", "A2" and "A3" circuits: Refer to Step 2 through 5 of P2122 DTC P2122 / P2123.
- "B1", "B2" and "B3" circuits: Refer to Step 2 through 5 of P2127 DTC P2127 / P2128.

Are they in good condition?
YES -
Go to step 3.
NO -
Repair or replace defective wire harness.

3. APP sensor check

Check APP sensor. APP Sensor Inspection

Is it in good condition?
YES -
Replace ECM and recheck DTC. Service and Repair
NO -
Replace accelerator pedal assembly (with APP sensor). Accelerator Pedal Assembly (Incorporating APP Sensor) Removal and Installation