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 DTC PRIORITY
If DTC P219B is displayed with other DTC, first perform the confirmation procedure (trouble diagnosis) for the other DTC.
Is applicable DTC detected?
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Perform diagnosis of applicable. Refer to DTC Index .
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GO TO 2.
- PRECONDITIONING-I
If DTC Confirmation Procedure has been previously conducted, always perform the following 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.
NOTE:Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.
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GO TO 3.
- PRECONDITIONING-II
- Turn ignition switch ON.
- Clear the mixture ratio self-learning value. Refer to Description .
Do you have CONSULT '
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GO TO 4.
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GO TO 7.
- PERFORM DTC CONFIRMATION PROCEDURE-I
With CONSULT
- Turn ignition switch ON.
- On CONSULT screen, select "ENGINE">>"Data Monitor">>"COOLANT TEMP/S".
- Start engine.
- Make sure that "COOLANT TEMP/S" indicates more than 66°C (151°F).
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GO TO 5.
- PERFORM DTC CONFIRMATION PROCEDURE-II
- On CONSULT screen, select "ENGINE">>"Data Monitor">> "SYSTEM 1 DIAGNOSIS B B2" and "SYSTEM 1 DIAGNOSIS A B2".
- Drive vehicle under the following conditions for at least 5 consecutive seconds.CAUTION:
- Always drive vehicle at a safe speed.
ENG SPEED 950 - 1, 800 RPM COOLANT TEMP/S More than 80°C (176°F) B/FUEL SCHDL 5 - 8 msec Selector lever D position - SYSTEM 1 DIAGNOSIS B B1
- SYSTEM 1 DIAGNOSIS B B2
PRSENT NOTE:- Drive the vehicle at approximately 88 km/h (55 MPH) allows easy diagnosis.
- Keep the accelerator pedal as possible during cruising.
- Check "SYSTEM 1 DIAGNOSIS A B1" or "SYSTEM 1 DIAGNOSIS A B2" indication.
Is "CMPLT" displayed?
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GO TO 6.
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GO TO 3.
- PERFORM DTC CONFIRMATION PROCEDURE-III
Check 1st trip DTC.
Is DTC P219B detected?
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Proceed to Diagnosis Procedure .
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To check malfunction symptom before repair: Refer to Intermittent Incident .
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Confirmation after repair: INSPECTION END
- PERFORM DTC CONFIRMATION PROCEDURE-IV
Without CONSULT
- Start the engine and warm it up to normal operating temperature.
- Drive vehicle under the following conditions for at least 5 consecutive seconds.CAUTION:
- Always drive vehicle at a safe speed.
Engine speed 950 - 1, 800 RPM Calculated load value 27 - 57 % Selector lever D position NOTE:- Drive the vehicle at approximately 88 km/h (55 MPH) allows easy diagnosis.
- Keep the accelerator pedal as possible during cruising.
- Check 1st trip DTC.
Is DTC P219B detected?
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Proceed to Diagnosis Procedure .
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To check malfunction symptom before repair: Refer to Intermittent Incident .
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Confirmation after repair: INSPECTION END
NO RELATED
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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.