Ignition Switch: Testing and Inspection

1990 Mazda 626 L4-2184cc 2.2L SOHC F2SECTION Testing and Inspection

Ignition switch "START" signal can be checked at ECU terminal 1C. While cranking, terminal voltage should be battery voltage. With ignition switch "ON," voltage should be below 2.5V.
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.