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.
Starting Motor Control Relay Inspection
- Disconnect negative (-) cable from battery.
- Remove starting motor control relay (1) from fuse box No. 1.
- Check that there is no continuity between terminal "C" and "D".
If there is continuity, replace starting motor control relay.
- Connect service wire between battery positive (+) terminal and relay terminal "B". Connect service wire between battery negative (-) terminal and relay terminal "A".
Check for continuity between terminal "C" and "D".
If there is no continuity when relay is connected to the battery, replace starting motor control relay.
Use the Manual With the Right Hardware
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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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