Control Module: Testing and Inspection

1991 Mazda MX-6 L4-2184cc 2.2L SOHC Turbo F2SECTION Testing and Inspection
EC-AT CONTROL UNIT (FOR TURBO)

1. With ignition switch "ON," check EC-AT control unit terminal voltages, referring to terminal voltage chart.
2. If not correct, check and replace or repair defective component(s) and/or wiring.
3. If voltages are not correct and no other cause is detected, replace control unit.

TERMINAL VOLTAGE CHART

Part 1

EC-AT Control Unit Pin Voltage Chart (Part 1):






Part 2

EC-AT Control Unit Pin Voltage Chart (Part 2):





RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

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

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