FixVault

Ignition Timing: Inspection

WARNING: This page is about a different car, the 2004 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. WARM UP ENGINE 

    Allow the engine to warm up to normal operating temperature.

  2. CHECK IDLE SPEED (See  INSPECTION   ) 
  3. CONNECT TIMING LIGHT 

    Connect the tester probe of a timing light to the black-white service wire of the engine wire as shown in Fig 1.

    Fig 1: Connecting Timing Light
    G02925378Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSPECT IGNITION TIMING 
    1. Using SST, connect terminals to TC and CG of the DLC3.

      SST 09843-18040

      Fig 2: Connecting Terminals To TC & CG Of DLC3
      G02925379Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      After engine rpm is kept at 900 - 1,500 rpm for 5 seconds, check that it returns to idle speed.

    2. Using a timing light, check the ignition timing.

      Ignition timing: 8 to 12° BTDC @ idle 

    3. Fig 3: Checking Ignition Timing
      G02925380Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the SST from the DLC3.
  5. FURTHER CHECK IGNITION TIMING 

    Ignition timing: 5 to 15° BTDC @ idle 

    HINT:

    The timing mark moves in a range between 5 and 15°.

  6. DISCONNECT TIMING LIGHT