P1315 · blink 15 – IGNITER CIRCUIT MALFUNCTION(No.4)

System: EFI 3ZZ-FE
Dashboard light: Malfunction indicator lamp (Check Engine)
Check-engine blink code: 15
Applies to: 3ZZ-FE 1.6 (PK SE Saloon 1.6 2002-05 ZZE121)
Description: IGNITER CIRCUIT MALFUNCTION(No.4)
Detection / symptoms: Detection: No IGF signal to engine ECU while engine is running
Possible causes: Open or short in IGF and IGT1 − 4 circuit from ignition coil with igniter; No.1 − No.4 ignition coil with igniter; Engine ECU
What to check: Workshop check order (RM821E): CHECK SPARK PLUG AND SPARK -> CHECK HARNESS AND CONNECTOR(ENGINE ECU−IGNITION COIL) -> CHECK ECU -> CHECK HARNESS AND CONNECTOR(IGNITION COIL−IGNITION SWITCH) (See
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