2004 Scion xA StandardFACTORY OEM SERVICE PROCEDURE

Section 719 (Engine): Engine: Inspection

WARNING: This page is about a different car, the 2004 Scion xB. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT ENGINE COOLANT (See  COOLING SYSTEM  ) 
  2. INSPECT ENGINE OIL (See  LUBRICATION SYSTEM  ) 
  3. INSPECT BATTERY
  4. INSPECT AIR CLEANER FILTER ELEMENT SUB-ASSY 
  5. INSPECT SPARK PLUG (See  INSPECTION  ) 
  6. INSPECT V-RIBBED BELT 
    Fig 1: Measuring Belt Deflection And Tension
    G00758846Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check the V-ribbed belt deflection.
      1. Measure the belt deflection.

        Pressing force: 98 N (10 kgf, 22lbf)

        Fig 2: V-Ribbed Belt Deflection Specifications
        G00758847Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Tension
        Fig 3: V-Ribbed Belt Tension Specifications
        G00758848Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • Check the drive belt deflection at the specified point.
    • When installing a new belt, set its tension as specified value.
    • When inspecting the belt which is used for over 5 minutes, apply the specification of "Used Belt".
    • When reinstalling the belt which is used for over 5 minutes, adjust its deflection and tension to the intermediate value in each specification of "Used Belt".
    • V-ribbed belt tension and deflection should be checked after two revolutions of engine cranking.
    • When using a belt tension gauge, confirm the accuracy by using a master gauge first.
  7. INSPECT IGNITION TIMING 
    1. Warm up the engine.
    2. When using the hand-held tester or OBDII scan tool.
      1. Connect the hand-held tester or OBDII scan tool to the DLC3.
      2. Enter DATA LIST MODE on the hand-held tester or OBDII scan tool.

      Ignition timing: 8 to 12° BTDC 

      HINT: 

      Please refer to the hand-held tester operator's manual if you need help to select DATA LIST.

    3. When not using the hand-held tester or OBDII scan tool:
      1. Using SST, connect terminals 13 (TC) and 4 (CG) of DLC3.

        SST 09843-18040

        Fig 4: Identifying Terminals
        G00758849Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.