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Home >> Mazda >> 2008 >> Tribute Hybrid Touring, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Pinpoint Tests - Hybrid >> DP: Powertrain Control Module (Pcm) Vehicle Speed >> Test Procedure

Test Procedure

  1. DP1: DTCS P0500 OR P1500: CHECK FOR TCM DTCS 
    • Carry out the TCM self-test.
    • Are any TCM DTCs present? 
  2. DP2: CHECK FOR CORRECT TIRE SIZE AND INFLATION 
    • Verify the correct tire size and inflation.
    • Are the tire size and inflation OK? 
    • Yes:  GO to  DP3.
    • No:  REPAIR as necessary.

      CLEAR the DTCs. REPEAT the self-test.

  3. DP3: CHECK FOR ABS DTCS 
    • Check the ABS module for wheel speed sensor DTCs.
    • Are any ABS DTCs present? 
  4. DP4: CHECK FOR CORRECT TRACTION MOTOR RPM DURING THE ROAD TEST 
    • Access the freeze frame data (if available) and record the DTC conditions.
    • Access the TCM and monitor the M_SPEED and VSS PIDs.
      VEHICLE SPEED AND TRACTION MOTOR RPM CHART

      Vehicle Speed KM/H (MPH) Traction Motor RPM
      0 (0) 0
      26 (16) 1,996
      55 (34) 4,392
      80 (50) 6,389
      109 (68) 8,784
    • Road test the vehicle. Test drive using freeze frame data conditions, (if available).
    • Refer to VEHICLE SPEED AND TRACTION MOTOR RPM CHART  .
    • Does the traction motor RPM correspond with the vehicle speed? 
  5. DP5: CHECK FOR CORRECT GENERATOR RPM 
    • Access the TCM and monitor the RPM and G_SPEED PIDs.
      ENGINE RPM REFERENCE

      Engine RPM Generator Motor RPM
      0 0
      800 2,715
      1,000 3,394
      1,200 4,073
      1,400 4,752
      1,600 5,430
      1,800 6,109
      2,000 6,788
    • Place the gear selector lever in PARK.
    • Start the engine using the engine running diagnostic mode. Refer to DIAGNOSTIC MODES .
    • Refer to ENGINE RPM REFERENCE  .
    • Does the generator RPM correspond with the engine RPM? 
    • Yes:  GO to  DP6.
    • No:  GO to  TO2.
  6. DP6: CLEAR PCM DTCS 
    • Clear the PCM DTCs.
    • Road test the vehicle.
    • Repeat the KOEO and KOER self-tests and retrieve the continuous memory DTCs.
    • Are any DTCs present? 
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