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 17, Check Right Coil Circuit
Connect LED test light between breakout box pins No. (+) J23 (RC1C) and (-) J60 (BAT -). Connect test light between breakout box pins No. (+) J24 (RC2C) and (-) J60 (BAT -).
If test light illuminates in both tests, go to next test. If test light does not illuminate in both tests, one or both coil wires is shorted to ground or coil pack may be damaged. Check connectors, and repair or replace harness. 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.