P0325 (blink 52) on Toyota Vitz (SCP10): Knock sensor circuit

Short answer: P0325 means “Knock sensor circuit”. The car’s computer has found a fault in the Engine - knock system and turns on the Check engine light (MIL). First check: check sensor tightening and connector.

Code

P0325 · blink 52

System

Engine - knock

Dashboard light

Check engine light (MIL)

Also sold as

Toyota Yaris, Toyota Echo (XP10)

Applies to

1SZ-FE (by platform)

Confidence

medium (Toyota Echo 1999–2002 factory diagnostics, same XP10 platform; not confirmed on JDM 1SZ-FE)

Source

carmanualsclub.com · toyota-club.net

Likely causes

1. Open or short in knock sensor circuit
2. Knock sensor (loose or faulty)
3. Engine computer (ECM)

What to check, in order

1. Check sensor tightening and connector
2. Check wiring
3. Replace sensor

Related on this car

• All fault codes for this car
• Warning lights
• Where the parts are (parts map)
• Common problems

Same code on other cars

• P0325 · Toyota Passo (1st gen)
• P0325 · Toyota Corolla (9th gen, E120)
• P0325 · Toyota Corolla (11th gen, E170)
• P0325 · Toyota Corolla (10th gen, E140)
• P0325 · Honda City (5th gen, GM2)
• P0325 · Honda Civic (10th gen, FC)
• P0325 · Suzuki Wagon R (Pakistan, K10B)
• P0325 on all cars compared

← P0304 P0335/13 →

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.