Toyota Avalon, Camry, Camry Solara 2001-06



The timing on engines equipped with DIS is not adjustable.

  1. Before servicing the vehicle, refer to the Precautions section.
  3. Perform the following:
    Never allow the tachometer test probe to touch ground as it could result in damage to the igniter and or ignition coil.

    Not all tachometers are compatible with this system. Be sure to confirm compatibility of your unit before use.

    Start the engine and let it reach operating temperature.
    Connect the tachometer tester probe to terminal IG of the DLC1.

    Click image to see an enlarged view

    Fig. Attach the tachometer test probe to the IG terminal of the data link connector

    Using a jumper connector, connect terminals TE 1 and E 1 of the DLC1.

    Click image to see an enlarged view

    Fig. A jumper wire is used to connect terminals TE1 and E1 of the DLC

    Check the timing. Timing should be 8-12 degrees BTDC. Set the timing as needed.
    Tighten the hold-down bolt.
    Check that the ignition timing advances.


The ignition timing is controlled by the Powertrain Control Module (PCM). No adjustment is necessary or possible.