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.
On-Vehicle Inspection
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
- REMOVE CIRCUIT OPENING RELAY
- Remove the relay block cover upper.
- Remove the circuit opening relay.
- INSPECT CIRCUIT OPENING RELAY
- Check the resistance.
- Using an ohmmeter, measure the resistance between the terminals.
Standard resistance
STANDARD RESISTANCE SPECIFICATIONSTester Connection Specified Condition 3 - 5 10 kΩ or higher Below 1 Ω (Battery voltage applied to terminals 1 and 2) If the result is not as specified, replace the circuit opening relay.
- Using an ohmmeter, measure the resistance between the terminals.
- Check the resistance.
- INSTALL CIRCUIT OPENING RELAY
- Install the circuit opening relay.
- Install the relay block cover upper.
- CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Torque: 3.9 N*m (40 kgf*cm, 35 in.*lbf)
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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