Operation CHARM: Car repair manuals for everyone.

P2138




DTC P2138

DTC Detecting Condition and Trouble Area






Wiring Diagram

Refer to P2122 DTC P2122 / P2123.

DTC Confirmation Procedure

1) Turn ignition switch to ON position.
2) Keep accelerator pedal at fully depressed position for 2 sec.
3) Keep accelerator pedal at idle 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.

2. Wire harness check

Check APP sensor (main and sub) circuit as follows.
- APP sensor (main) circuit: Refer to Step 3 through 6 under P2122 DTC P2122 / P2123.
- APP sensor (sub) circuit: Refer to Step 3 through 6 under P2127 DTC P2127 / P2128.

Is it in good condition?
YES
Go to step 3.
NO
Repair or replace defective wire harness.

3. APP sensor check

Check APP sensor. Accelerator Pedal Position (APP) Sensor Assembly Inspection

Is it in good condition?
YES
Substitute a known-good ECM and recheck.
NO
Replace accelerator pedal assembly (with APP sensor).