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Home >> Mazda >> 2003 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 282 (Engine Mechanical Service Information) >> Engine Tune-Up >> Idle-up Speed Inspection

Idle-up Speed Inspection

WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform ENGINE TUNE-UP PREPARATION .
  2. Connect the DLC terminals TEN and GND using a jumper wire.
    CAUTION:
    • Connecting the wrong DLC terminal may possibly cause a malfunction. Carefully connect the specified terminal only.
  3. Set switch A to position 1.
  4. Set the test switch to SELF TEST.
  5. Verify that the idle speed is normal. (See IDLE SPEED ADJUSTMENT .)
  6. Verify that the RPM PID is within the specification.
    • If not as specified with all load conditions, inspect the IAC valve.
    • If not as specified with some load condition, inspect the related input switches, harnesses, and connectors.
      Fig 1: Inspecting Idle-Up Speed
      G01913377Courtesy of MAZDA MOTORS CORP.
      Fig 2: Idle-up Speed Specification
      G01913378Courtesy of MAZDA MOTORS CORP.
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