P0103

DTC P0102 / P0103

DTC Detecting Condition and Trouble Area






Wiring Diagram

Refer to P0101 DTC P0101.

DTC Confirmation Procedure

1) Turn ignition switch to ON position for 10 sec.

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. MAF sensor circuit check

Check MAF sensor circuit referring to Step 4 through 6 of P0101 DTC P0101.

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

3. MAF sensor check

Check MAF sensor. Inspection

Is it in good condition?
YES -
Substitute a known-good ECM and recheck.
NO -
Replace MAF and IAT sensor.