P0110 · blink 24 – INTAKE AIR TEMP. CIRCUIT MALFUNCTION

System: EFI 1ZZ-FE
Dashboard light: Malfunction indicator lamp (Check Engine)
Check-engine blink code: 24
Applies to: 1ZZ-FE 1.8 (PK Altis 2005-08 ZZE122; JDM ZZE122/124, Allex/Runx/Fielder 1.8)
Description: INTAKE AIR TEMP. CIRCUIT MALFUNCTION
Detection / symptoms: Detection: Open or short in intake air temp. sensor circuit
Possible causes: Open or short in intake air temp. sensor circuit; Intake air temp. sensor (inside air flow meter); Engine ECU
What to check: Workshop check order (RM821E): READ VALUE OF INTAKE AIR TEMPARATURE -> CHECK HARNESS AND CONNECTOR(CHECK FOR OPEN) -> INSPECT ECU(CHECK FOR OPEN) -> CHECK HARNESS AND CONNECTOR(CHECK FOR SHORT) -> INSPECT ECU(CHECK FOR SHORT) -> INSPECT ECU(ENGINE ECU CONNECTOR) -> CHECK INTAKE AIR FLOW METER SUB−ASSY -> CHECK HARNESS AND CONNECTOR(ENGINE ECU CONNECTOR−AIR FLOW
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