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.
Work Procedure (Group A)
- CHECK DTC
Check DTC.
Is any DTC detected?Β
YES-1 >> With CONSULT: Repair malfunction(s) and erase DTC. Refer to "CONSULT FUNCTIONΒ ".
YES-2 >> Without CONSULT: Repair malfunction(s) and erase DTC. Refer to "ON BOARD DIAGNOSIS FUNCTIONΒ ".
NO >> GO TO 2.
- CHECK PERMANENT DTC
With CONSULT
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Select "PERMANENT DTC STATUS" mode with CONSULT.
With GST
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Select Service $0A with GST.
Is any permanent DTC detected?Β
YES >> GO TO 3.
NO >> END
- PERFORM DTC CONFIRMATION PROCEDURE
Perform "DTC CONFIRMATION PROCEDURE" for DTCs which are the same as permanent DTCs stored in ECM. Refer to "DTC INDEX ".
>> GO TO 4.
- CHECK PERMANENT DTC
With CONSULT
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Select "PERMANENT DTC STATUS" mode with CONSULT.
With GST
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Select Service $0A with GST.
Is any permanent DTC detected?Β
YES >> GO TO Β 1.
NO >> END
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
