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.
Check Condition
- Engine Coolant Temperature: 80 - 95 Β°C (176 - 203 Β°F).
- Light, electric cooling fan and all accessories are off.
- Transaxle is in neutral (P or N range for A/T vehicles).
- Steering wheel is in the straight ahead position.
- In case of using the Hi-Scan, connect the cable at DLC terminal as shown in illustration and adjust the idle speed with it.
- In case of not using the Hi-Scan, perform the following procedure.
- Ground the ignition timing adjustment terminal with jumper wire.
- Install the tachometer and timing light.
- Run the engine and let it idle.
- Check the basic ignition timing.
Basic ignition timing: 10Β° +/- 5Β° BTDC at idle
- To check idle speed, be sure to stop grounding the ignition timing adjustment terminal.
- Let the engine idle for 2 minutes.
- Check the idle speed.
Idle speed: 700 +/- 100 rpm
NOTE:- The engine speed on a new vehicle driven less than 500 km (300 miles) may be 20 to 100 rpm lower than specification. But no adjustment is necessary because Idle Speed Control System adjusts automatically.
- If the engine stalls or the engine speed is low after the vehicle has been driven a distance of 500 km (300 miles) or more, it's possible there may be residue on the throttle plate. See THROTTLE BODY CLEANINGΒ .
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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