Ignition Timing

With engine at normal operating temperature, set transmission in "D" (Auto. Trans.) or Neutral (Man. Trans.). Unplug wiring connector to engine cooling fan (if equipped). Connect a jumper wire between test connector and ground. See Fig 1 . Be sure idle speed is set to specifications. Connect timing light. Check and set timing as required. See Fig 2 . See IGNITION TIMING  table in this article

Fig 1: 626 Ignition Timing Test Connector

Courtesy of MAZDA MOTORS CORP.

Fig 2: 626 Engine Timing Marks

Courtesy of MAZDA MOTORS CORP.