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.
Signal Circuit Inspection
■ Check open or short in LHI-CON (Drive Integrated Connector) Communication circuit
- After IG "OFF", disconnect "-" terminal cable from battery.
- Disconnect connectors of DDM and LHI-CON (Drive Integrated Connector).
- Measure resistance between Pin No. 9 (LIN) terminal of DDM harness connector and Pin No. 11 (LIN) terminal of LHI-CON (Drive Integrated Connector) harness connector.
Specification : Open check: below 1 Ω, Short check: ∞ Ω
- Are resistances within specifications?
YES
- Substitute with a known - good LHI-CON (Drive Integrated Connector) and check for proper operation.
If the problem is corrected, replace the component and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Substitute with a known - good DDM and check for proper operation.
If the problem is corrected, replace the component and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Substitute with a known - good LHI-CON (Drive Integrated Connector) and check for proper operation.
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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