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.
Diagnostic Procedure
- Inspection Start
With CONSULT-II
- Turn ignition switch ON.
- Select SELF DIAG RESULTS mode with CONSULT-II.
- Touch ERASE.
- Perform DTC confirmation procedure .
- Is the 1st trip DTC P0605 displayed again?
With GST
- Turn ignition switch ON.
- Select MODE 4 with GST.
- Touch ERASE.
- Perform DTC confirmation procedure .
- Is the 1st trip DTC P0605 displayed again?
Yes or No
- Yes: go to 2.
- No: Inspection end
- Replace ECM
- Replace ECM.
- Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer to ECM RE-COMMUNICATING FUNCTION .
- Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING .
- Perform THROTTLE VALVE CLOSED POSITION LEARNING .
- Perform IDLE AIR VOLUME LEARNING .
- Inspection end
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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