Ignition Timing

NOTE: Before adjusting ignition timing, warm engine to normal operating temperature. Turn off all accessories. Place transmission in Neutral (M/T) or Park (A/T). Ensure idle speed is correct. See IDLE SPEED under IDLE SPEED & MIXTURE. If timing is not within specification, loosen distributor or Crank Angle Sensor (CAS) lock bolt. Rotate distributor or CAS until timing marks are aligned. Tighten lock bolt.

Fig 1: Locating Ignition Timing Marks

Courtesy of MAZDA MOTORS CORP.

Connect Diagnostic Tester (49 B019 9A0) to diagnostic connector and select SELF-TEST mode (position 1), or connect jumper wire between diagnostic connector terminals TEN and GND. See Fig 2 .
Connect timing light. Set timing to specification. See IGNITION TIMING SPECIFICATIONS table. See Fig 1 .

Fig 2: Diagnostic Connector Terminal ID (929)

Courtesy of MAZDA MOTORS CORP.

IGNITION TIMING SPECIFICATIONS

Application

Man. Trans.

⁽¹⁾ Auto. Trans.

929 ⁽²⁾

N/A

12 @ 700

⁽¹⁾	Place automatic transmission in Park.

⁽²⁾	Connect jumper wire between terminals TEN and GRN of diagnostic connector.