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.
Test 21, Check Crankshaft Sensor Ignition Ground
With key off, disconnect ECA. Disconnect diagnostic cable connector from crankshaft sensor. Connect an ohmmeter between breakout box pins No. J55 (IGND S) and J60 (BAT -).
If resistance is less than 5 ohms, go to next test. If resistance is not less than 5 ohms, check connectors, repair or replace harness and check for fault codes. If vehicle still does not start, go to next test.
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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.