P1346 (blink 18) on Toyota Vitz (SCP10): VVT sensor / camshaft timing range

Short answer: P1346 means “VVT sensor / camshaft timing range”. The car’s computer has found a fault in the Engine - VVT system and turns on the Check engine light (MIL). First check: check valve timing marks.

Code

P1346 · blink 18

System

Engine - VVT

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. Valve timing wrong (timing chain)
2. Camshaft position sensor
3. VVT controller

What to check, in order

1. Check valve timing marks
2. Check camshaft position sensor
3. Check timing chain and tensioner

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

• P1346 · Toyota Passo (1st gen)
• P1346 · Toyota Corolla (9th gen, E120)
• P1346 on all cars compared

← P1300/14 P1349 →

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.