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.
DTC Confirmation Procedure
- CHECK FUEL LEAKAGE
- Turn ignition switch ON.
- Visually check the piping between low pressure fuel pump and fuel injectors for fuel leakage.
- Start the engine.
- Visually check the piping between low pressure fuel pump and fuel injectors for fuel leakage.
Is inspection result normal?
YES: GO TO 2.
NO: Repair or replace error-detected parts.
- PRECONDITIONING
If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following procedure before conducting the next test.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
- Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.
- Before performing the following procedure, check that the fuel tank is 1/8 full of fuel.
: GO TO 3.
- PERFORM DTC CONFIRMATION PROCEDURE-1
WITH CONSULT
- Turn ignition switch ON.
- Select "COOLAN TEMP/S" in "DATA MONITOR" mode of "ENGNE" using CONSULT.
- Check the following condition;.
COOLAN TEMP/S : 5 - 40°C (41 - 104°F)
WITH GST
Follow the above steps for "WITH CONSULT".
Is the condition satisfied?
YES: GO TO 4.
NO:
- Satisfy the condition.
- Retry from step 1.
- PERFORM DTC CONFIRMATION PROCEDURE-2
WITH CONSULT
- Start the engine and let it idle for 10 seconds.
- Check 1st trip DTC.
WITH GST
Follow the above steps for "WITH CONSULT".
Is 1st trip DTC detected?
YES: Proceed to "DIAGNOSIS PROCEDURE ".
NO: GO TO 5.
- PERFORM DTC CONFIRMATION PROCEDURE-3
WITH CONSULT
- Select "COOLAN TEMP/S" in "DATA MONITOR" mode of "ENGINE" using CONSULT.
- Maintain the following condition for 10 seconds or more at idle.
COOLAN TEMP/S : 70°C (104°F) or more - Check 1st trip DTC.
WITH GST
Follow the above steps for "WITH CONSULT".
Is 1st trip DTC detected?
YES: Proceed to "DIAGNOSIS PROCEDURE ".
NO: INSPECTION END.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.