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.
Active Test Mode
Test ItemΒ
|
Test item |
Condition |
Judgement |
Check item (Remedy) |
|
FUEL INJECTION |
|
If trouble symptom disappears, see Check item. |
|
|
ENG COOLANT TEMP |
|
If trouble symptom disappears, see Check item. |
|
|
PURG VOL CONT/V |
|
Engine speed changes according to the opening percent. |
|
|
FUEL/T TEMP SEN |
|
||
|
COOLING FAN *1 |
|
Cooling fan operates at low speed or high speed. |
|
|
ALTERNATOR DUTY |
|
Battery voltage changes. |
|
|
FUEL PUMP RELAY |
|
Fuel pump relay makes the operating sound. |
|
|
VIAS S/V-1 |
|
IMT valve motor makes an operating sound. |
|
|
TUMBLE CONTROL VALVE |
|
Intake Manifold Runner control valve motor makes an operating sound. |
|
|
IGNITION TIMING |
|
If trouble symptom disappears, see Check item. |
Perform Idle Air Volume Learning. |
|
POWER BALANCE |
|
Engine runs rough or stops. |
|
|
VENT CONTROL/V |
|
Solenoid valve makes an operating sound. |
|
|
INT V/T ASSIGN ANGLE |
|
If trouble symptom disappears, see CHECK ITEM. |
|
|
EXH V/T ASSIGN ANGLE |
|
If trouble symptom disappears, see CHECK ITEM. |
|
*1: Leaving cooling fan OFF with CONSULT while engine is running may cause the engine to overheat.
*2: CVT models
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.
