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Home >> Mazda >> 2006 >> 6 s, 4D Wagon, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Mechanical [Service Information L3 With TC)) >> Engine Tune-Up >> Ignition Timing Inspection

Ignition Timing Inspection

WARNING: This page is about a different variant/trim than selected.
CAUTION:
  • Do not change the crankshaft position sensor installation position. Changing the CKP sensor installation location while attempting to adjust the ignition timing could cause an engine malfunction.
NOTE:
  • The ignition timing cannot be adjusted.
  • The SST  (WDS or equivalent) is required to verify the ignition timing.
  1. Warm up the engine.
    1. Turn off all electrical loads.
    2. Increase the engine speed to 2,500-3,000 RPM  until the cooling fan starts running.
    3. When the cooling fan starts running, release the accelerator pedal and wait until the cooling fan stops running.
  2. Connect the SST  (WDS or equivalent) to the DLC-2.
  3. Verify the ignition timing (WDS: SPARKADV) using the PID/data monitor function of the SST  (WDS or equivalent).

    Ignition timing (BTDC) 10° 

    Fig 1: Locating DLC-2 Connector
    G04324072Courtesy of MAZDA MOTORS CORP.
  4. Gradually raise the engine speed and verify that the ignition timing advances.
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