1991 Mazda 626 DX, AutomaticFACTORY OEM SERVICE PROCEDURE

Crank Angle Sensor (RX7)

Remove sensor connector. Note terminal identification. See Fig 1 . Using ohmmeter, check resistance at specified terminals. See CRANK ANGLE SENSOR RESISTANCE SPECIFICATIONS (RX7) TABLEΒ  . Ensure resistance is within specifications.

CRANK ANGLE SENSOR RESISTANCE SPECIFICATIONS

Application Ohms
RX7 (1)
G1 & G2 (Green & Black) 110-210
Ne1 & Ne2 (Red & White) 110-210
(1) Check at 4-way connector.
Fig 1: Checking Crank Angle Sensor (RX7)
G36020Courtesy of MAZDA MOTORS CORP.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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