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Diagnostic procedure

DTC P0101 DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED 
  • Has FREEZE FRAME DATA been recorded?
Yes Go to next step.
No Record FREEZE FRAME DATA on repair order, then go to next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Check for related Technical Service Bulletin(s) repair information availability.
  • Is any related repair information available?
Yes Perform repair or diagnosis according to available repair information.
  • If vehicle is not repaired, go to next step.
No Go to next step.
3 VERIFY CURRENT INPUT SIGNAL STATUS IS CONCERN INTERMITTENT OR CONSTANT 
  • Connect WDS or equivalent to DLC-2.
  • Start the engine.
  • Access ECT, MAF, TP and RPM PIDs using WDS or equivalent.
  • Warm-up engine until ECT PID is above 70°C {158°F}. 
  • Idle engine for 5 s or more. 
    CAUTION:
    • While driving, always operate the vehicle in a safe and lawful manner.
  • Drive the vehicle under the following two conditions:

    Condition 1 

    • TP PID: 50-87.5% 
    • RPM PID: above 1,000 rpm 
    • 4th gear (MTX), D range (ATX)

    Condition 2 

    • TP PID: above 80% 
    • RPM PID: below 2,000 rpm 
    • Gear in
  • Is PENDING CODE for this DTC present?
Yes Go to next step.
No Intermittent concern exists. Go to INTERMITTENT CONCERNS TROUBLESHOOTING procedure. (See INTERMITTENT CONCERN TROUBLESHOOTING )
4 CHECK MAF SENSOR TERMINALS FOR ELECTRICAL CORROSION 
  • Turn ignition switch to OFF.
  • Disconnect MAF sensor connector.
  • Check for poor connection (damaged, pulled-out terminals, corrosion, etc.).
  • Is any problem corrosion found?
Yes Repair or replace suspected terminal or MAF sensor, then go to Step 6.
No Go to next step.
5 INSPECT PCM CONNECTOR FOR POOR CONNECTION 
  • Disconnect PCM connector.
  • Check for poor connection (damaged, pulled-out pins, corrosion, etc.).
  • Is there any malfunction?
Yes Repair terminal, then go to next step.
No Go to next step.
6 VERIFY TROUBLESHOOTING OF DTC P0101 COMPLETED 
  • Make sure to connect all disconnected connectors.
  • Turn ignition switch to ON (Engine OFF).
  • Clear DTC from PCM memory using WDS or equivalent.
  • Start the engine.
  • Warm-up engine until ECT PID is above 70°C {158°F}. 
  • Idle engine for 5 s or more. 
    CAUTION:
    • While performing the Drive Mode, always operate the vehicle in a safe and lawful manner.
  • Drive the vehicle under the following two conditions:

    Condition 1 

    • TP PID: 50-87.5% 
    • RPM PID: above 1,000 rpm 
    • 4th gear (MTX), D range (ATX)

    Condition 2 

    • TP PID: above 80% 
    • RPM PID: below 2,000 rpm 
    • Gear in
  • Is PENDING CODE for this DTC present?
Yes Replace PCM, then go to next step.
No Go to next step.
7 VERIFY AFTER REPAIR PROCEDURE  Yes Go to applicable DTC inspection. (See DTC TABLE )
No Troubleshooting completed.