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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (On-Board Diagnostic - Engine Control System (3 Of 4)) >> DTC P2299-00: Accelerator Pedal - Spring Back Malfunction >> Diagnostic Procedure

Diagnostic Procedure

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DTC P2299:00 (PCM, SKYACTIV-G) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
  • Record the freeze frame data/snapshot data.
    NOTE:
    • Recording can be facilitated using the screen capture function of the PC.
 - Go to the next step.
2 VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY
  • Verify related Service Bulletins, on-line repair information, or Service Information availability.
  • Is any related Information available?
 Yes Perform repair or diagnosis according to the available information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 VERIFY DTC REPEATABILITY
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Perform the KOER self test. (See DTC INSPECTION .)
  • Perform the DTC inspection for the PCM. (See DTC INSPECTION .)
  • Is the same Pending DTC present?
 Yes Go to the next step.
No DTC troubleshooting completed.
  • Explain to the customer that P2299:00 is stored by the brake override system operation.
4 VERIFY VEHICLE USE CONDITION
  • Verify the vehicle use condition.
    • The floor mat is doubled over
    • The floor mat is spread against the accelerator pedal
    • The accelerator and brake pedals are being depressed simultaneously
  • Are any of the conditions above applicable to the vehicle use condition?
 Yes There is a malfunction in a related floor mat:
  • Explain to the customer that the floor mat may prevent the accelerator pedal from springing back after release and perform the repair completion verification.

    There is a malfunction in the pedal operation:

  • Give the customer advice on how to depress the accelerator and brake pedals while driving the vehicle and perform the repair completion verification.
No Go to the next step.
5 INSPECT ACCELERATOR PEDAL
  • Is the condition of the accelerator pedal one of the following?
    • Accelerator pedal sticking has occurred when operated
    • There is evidence of accelerator pedal disassembly
 Yes Replace the accelerator pedal and perform the repair completion verification.
(See ACCELERATOR PEDAL REMOVAL/INSTALLATION (VIN M) .)
(See ACCELERATOR PEDAL REMOVAL/INSTALLATION (VIN L) .)
No Go to the next step.
6 VERIFY CURRENT INPUT SIGNAL STATUS OF APP SENSOR
  • Access the following PIDs using the M-MDS: (See PID/DATA MONITOR INSPECTION .) PCM:
    • APP_MODE
    • APP1
    • APP2
  • Inspect the following:
    • Is the value for PID APP_MODE Idle when the accelerator pedal is not depressed?
    • Does the value for PID APP1, APP2 change when the accelerator pedal is continually depressed?
  • Are all items normal?
 Yes Go to Step 8.
No Go to the next step.
7 INSPECT APP SENSOR RELATED WIRING HARNESS AND CONNECTOR
  • Inspect the wiring harness related to the APP sensor for connector disconnection, short circuit, and poor contact.
  • Is there any malfunction?
 Yes Repair or replace the malfunctioning location and perform the repair completion verification.
No APP sensor malfunction.
8 VERIFY CURRENT INPUT SIGNAL STATUS OF BRAKE SWITCH
 Yes Go to Step 11.
No Go to the next step.
9 INSPECT BRAKE SWITCH FOR MALFUNCTION
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
(See BRAKE PEDAL REMOVAL/INSTALLATION [L.H.D. (US)] .)
10 INSPECT BRAKE PEDAL PLAY AMOUNT
 Yes Inspect the wiring harness related to the brake switch for connector disconnection, short circuit, and poor contact.
  • If there is any malfunction:
    • Repair or replace the malfunctioning location and perform the repair completion verification.
No Repair or replace the malfunctioning location and perform the repair completion verification.
11 VERIFY IF A DTC RELATED TO DRIVE-BY-WIRE CONTROL IS DETECTED
  • Perform the KOER self test. (See DTC INSPECTION .)
  • Perform the DTC inspection for the PCM. (See DTC INSPECTION .)
  • Is a DTC related to the drive-by-wire control present?
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
(See DTC TABLE (US) .)
No It is possible that the accelerator and brake pedals have been depressed simultaneously. (during braking operation using left foot)
  • Go to the next step.
Repair completion verification 1 VERIFY THAT VEHICLE IS REPAIRED
  • Install/connect the part removed/disconnected during the troubleshooting procedure.
  • Clear the DTC recorded in the memory. (See CLEARING DTC .)
  • Replicate the vehicle conditions at the time the DTC was detected using the following procedure.
  • Perform the DTC inspection for the PCM. (See DTC INSPECTION .)
  • Is the same Pending DTC present?
 Yes Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW (US) .) If the CAN communication is normal, perform the diagnosis from Step 1.
No Go to the next step.
Repair completion verification 2 VERIFY IF OTHER DTCs DISPLAYED
  • Perform the DTC inspection. (See DTC INSPECTION .)
  • Are any other DTCs displayed?
 Yes Repair the malfunctioning location according to the applicable DTC troubleshooting.
No DTC troubleshooting completed.
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