1986 Mazda RX-7 Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Digital Code Checker Code Illumination Chart

Fig 1: Digital Code Checker Code Illumination Chart (Code 1)
G61580Courtesy of MAZDA MOTORS CORP.
CRANK ANGLE SENSOR RESISTANCE

Terminal Resistance (Ohms)
G1 (B) - G2 (G) 110-210
Ne1 (W) - Ne2 (R) 110-210


Fig 1: Digital Code Checker Code Illumination Chart (Code 7)
G61585Courtesy of MAZDA MOTORS CORP.
BOOST SENSOR RESISTANCE

Terminal (1) Volts
D 3.5-4.5
(1) @ 100 mmHg (3.9 inHg) of Vacuum
Fig 2: Digital Code Checker Code Illumination Chart (Code 9)
G61587Courtesy of MAZDA MOTORS CORP.
ATMOSPHERIC PRESSURE SENSOR RESISTANCE

Terminal Volts
D @ Sea Level 3.5-4.5
D @ High Altitude (6,000 ft.) 2.5-3.5
Fig 3: Digital Code Checker Code Illumination Chart (Code 12)
G61589Courtesy of MAZDA MOTORS CORP.
Factory Service Tools

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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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