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.
Connector A terminal A#1-90
Bi-fuel cars: The value for certain signals may deviate from the specifications below if gas power is activated.
HINT: Deactivate gas power when checking EMS 2000 signals.
HINT: All the values given below are measured between the relevant terminal in column 1 and terminal #3, unless otherwise indicated in brackets.
HINT: The values specified in the table apply with the engine unloaded and at normal operating temperature.
It is important that the breakout box is connected according to Connecting the breakout box. EMS 2000 , before the readings are taken.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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