P0335 · blink 12 – CRANKSHAFT POSITION SENSOR CIRCUIT MALFUNCTION

System: EFI 1ZZ-FE
Dashboard light: Malfunction indicator lamp (Check Engine)
Check-engine blink code: 12
Applies to: 1ZZ-FE 1.8 (PK Altis 2005-08 ZZE122; JDM ZZE122/124, Allex/Runx/Fielder 1.8)
Description: CRANKSHAFT POSITION SENSOR CIRCUIT MALFUNCTION
Detection / symptoms: Detection: S No crankshaft position sensor signal to engine ECU during cranking S Open in NE− circuit
Possible causes: Open or short in crankshaft position sensor circuit; Crankshaft position sensor; Starter; Engine ECU
What to check: See RM page (inspection steps not parsed)
Confidence: high (official Toyota RM821E)

From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights