Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMAZDA1990626 L4-2184CC 2.2L SOHC F2REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSTOOLS - USING THE EC/AT TESTER
1990 Mazda 626 L4-2184cc 2.2L SOHC F2
Tools - Using the EC/At Tester
1990 Mazda 626 L4-2184cc 2.2L SOHC F2SECTION Tools - Using the EC/At Tester
89mazda10
Category 40
Applicable Model/s All Models w/ EC-AT
Subject EC-AT TESTER REFERENCE TABLE
Bulletin No. 026/89
Issued 12/29/89
Revised
DESCRIPTION
When using the EC-AT Tester, it is helpful to remember the following points:
^ There are two versions of the EC-AT Tester:
1) 49 G019 901 w/ adapter 49 H019 902
2) 49 G019 901A
^ There are a variety of harnesses available, referenced by model and model year.
^ A plate used for one version of the EC-AT is not compatible with the other EC-AT version.
Depending on the version of the EC-AT Tester, use one of the charts below to reference the appropriate harness and plate.
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.