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Home >> Volvo >> 2000 >> S70 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Turbo >> Drive Cycles >> Verifying Repairs Using Trip Driving Schedule >> TRIP Driving Schedule
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TRIP Driving Schedule

NOTE: A/C can be on when engine is running at part load but must be switched off before engine is run at idle. If ECM has been without power, engine must be started a few times before testing.
  1. Clear DTC memory.
  2. Start engine.
  3. Shift gear selector to drive.
  4. Accelerate gently to 1500-2000 RPM.
  5. Drive for 5 minutes at 1500-2000 RPM.
  6. Run engine at idle for 70 seconds.
  7. Drive engaged, A/C off.
  8. Drive for 6 minutes at 1500-2000 RPM.
  9. Run engine at idle for 40 seconds.
  10. Drive engaged.
  11. A/C off.
  12. Drive for 5 minutes at 1500-2000 RPM.
  13. Run engine at idle for 50 seconds.
  14. Drive for 5 minutes at 1500-2000 RPM.
    NOTE: DO NOT use accelerator pedal during engine braking.
  15. Engine brake from 4000 RPM to approximately 1300 RPM a few times.
  16. DO NOT turn engine off after testing. Leave idling and read out fault memory using a scan tool. Read out fuel trim status. There should not be any faults when fuel trim is finished. Diagnosis any remaining DTCs as necessary.
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