DTC P0221 [MZ-CD 1.6 (Y6) (EURO4 emission level)]

id0102g6873200

DTC P0221

Accelerator pedal position (APP) sensor No.1 signal - signal period too low
DETECTION CONDITION
•  The PCM monitors the accelerator pedal depression amount using the duty signal from APP sensor No.1. If the signal period from APP sensor No.1 is less than 3.8 ms, the PCM determines that the APP sensor No.1 signal period is too low.
POSSIBLE CAUSE
•  APP sensor No.1 malfunction
•  PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
•  Has the FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
•  Verify related service repair information availability.
•  Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY RELATED PENDING CODE AND/OR DTC
•  Switch the ignition to off, then to ON (engine off).
•  Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.
•  Is the following PENDING CODE/DTC also present?
―  P0222, P0223
Yes
Go to the applicable DTC inspection.
(See DTC P0222 [MZ-CD 1.6 (Y6) (EURO4 emission level)].)
(See DTC P0223 [MZ-CD 1.6 (Y6) (EURO4 emission level)].)
No
Go to the next step.
4
INSPECT APP SENSOR NO.1
•  Reconnect all disconnected connectors.
•  Inspect the APP sensor No.1.
•  Is there any malfunction?
Yes
Replace the accelerator pedal, then go to the next step.
(See ACCELERATOR PEDAL (APP) REMOVAL/INSTALLATION [MZ-CD 1.6 (Y6)].)
No
Go to the next step.
5
VERIFY THAT DTC P0221 TROUBLESHOOTING IS COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Clear the DTC from the PCM memory using the M-MDS.
•  Run the vehicle under the FREEZE FRAME DATA stored condition.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the PCM.
Go to the next step.
No
Go to the next step.
6
VERIFY AFTER REPAIR PROCEDURE
•  Perform the after repair procedure.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [MZ-CD 1.6 (Y6) (EURO4 emission level)].)
No
DTC troubleshooting completed.