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Home >> Mazda >> 2012 >> 3 Mazdaspeed, 2.3L Eng VIN 3 >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Control System MZR 2.3 DISI Turbo] >> Engine Control System Operation Inspection >> Drive-by-wire Control System Inspection >> Throttle position (TP) sweep inspection

Throttle position (TP) sweep inspection

  1. Perform the KOER self test. (See KOEO/KOER SELF TEST .)
  2. Verify that none of the following DTCs are displayed:
    • P0122:00, P0123:00, P0222:00, P0223:00, P2100:00, P2101:00, P2107:00, P2108:00, P2119:00, P2122:00, P2123:00, P2127:00, P2128:00, P2135:00, P2138:00
      • If any one DTC is displayed, perform the DTC inspection. (See DTC TABLE .)
  3. Access the APP1 and APP2 PIDs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST .)
  4. Switch the ignition to ON.
  5. Verify the APP1 and APP2 PIDs when the accelerator pedal released and depresses.

    Specification 

    • Accelerator pedal released:
      • APP1: Approx. 0.4 V
      • APP2: Approx. 0.4 V
    • Accelerator pedal depressed:
      • APP1: Approx. 3.4 V
      • APP2: Approx. 3.4 V
    • If not as specified, inspect for the following harnesses and connectors:
      • APP sensor terminal A-PCM terminal 1Q
      • APP sensor terminal B-PCM terminal 1Y
      • APP sensor terminal C-PCM terminal 1U
      • APP sensor terminal D-PCM terminal 1AV
      • APP sensor terminal E-PCM terminal 1AC
      • APP sensor terminal F-Main relay terminal C
        • If there is no malfunction, replace the accelerator pedal.