Ignition Timing

WARNING: This page is about a different car, the 1994 Mazda RX-7. However, it is still accessible from the selected car via links, so may be relevant.

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. If ignition timing is not within specifications, proceed to TESTS W/O CODES and TESTS W/CODES articles in the ENGINE PERFORMANCE section. Disconnect diagnostic tester or jumper wire from diagnostic connector.

Fig 2: Diagnostic Connector Terminal ID (RX7)

Courtesy of MAZDA MOTORS CORP.

IGNITION TIMING SPECIFICATIONS

Application

Man. Trans.

⁽¹⁾ Auto. Trans.

Leading ⁽²⁾

⁽³⁾ 5 @ 725

Trailing ⁽²⁾

⁽³⁾ 20 @ 725

⁽¹⁾	Place automatic transmission in Park.

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

⁽³⁾	Timing specification is AFTER TDC and is not adjustable.