P0443 (blink 76) on Toyota Passo (KGC10): Vsv For Evaporative Emission Control System Purge Con
Short answer: P0443 means “Vsv For Evaporative Emission Control System Purge Con”. The car’s computer has found a fault in the Engine control (EFI) system and turns on the Check engine light (MIL). First check: is the harness between the VSV for evaporative emission purge and the EFI ECU normal?.
- Code
- P0443 · blink 76
- System
- Engine control (EFI)
- Dashboard light
- Check engine light (MIL)
- Also sold as
- Daihatsu Boon, Daihatsu Sirion (M300)
- Applies to
- 1KR-FE: M300 (Sirion export = JDM Boon M300S/M301S(4WD? see gaps) & Passo KGC10/KGC15). JDM-spec ECU not separately documented | K3-VE: M301 (Sirion 1.3 = JDM Boon M310S? / Passo QNC10)
- Confidence
- high (factory manual, export spec)
- Source
- carmanualsclub.com
Symptoms and when it is set
- When the detection signal of the VSV for evaporative emission purge is not turned "ON" or "OFF"
Likely causes
- VSV for evaporative emission control system purge control (Purge VSV for EVAP)
- Open wire or short circuit for the evaporative emission purge VSV control system circuit
- EFI ECU
What to check, in order
- Is the harness between the VSV for evaporative emission purge and the EFI ECU normal?
- Is the control signal of the VSV for evaporative emission purge outputted from the EFI ECU normally?
- Is the VSV for evaporative emission purge operating normally?
Related on this car
Same code on other cars
- P0443 · Toyota Corolla (11th gen, E170)
- P0443 · Toyota Corolla (10th gen, E140)
- P0443 · Honda City (5th gen, GM2)
- P0443 · Honda Civic (10th gen, FC)
- P0443 · Suzuki Wagon R (Pakistan, K10B)
- P0443 on all cars compared
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.

