Scion OBD / OBD2 Codes >> tC 2.4L – xA 1.5L – xB 1.5/2.4L (2004 – 2009)

General information

• Engine control module (ECM) incorporates self-diagnosis function.
• Malfunction indicator lamp (MIL) will illuminate if certain faults are recorded.
• ECM operates in backup mode if sensors fail, to enable vehicle to be driven to workshop.

Accessing

• Trouble codes can be displayed by using a Scan Tool connected to the data link connector (DLC):

o tC/xA- 1.

o xB – 2

Erasing

• After the faults have been rectified, trouble codes can be erased by using a Scan Tool connected to the data link connector (DLC) or as follows:
• Ensure ignition switched OFF.
• tC- remove ETCS and EFI fuses (10A and 15A) from underhood fusebox [3]. Wait 60 seconds minimum.
• xA – remove EFI fuse (15A) from underhood fusebox [3] . Wait 60 seconds minimum.
• xB – remove EFI fuse (15A) from underhood fusebox [3]. Wait 60 seconds minimum.
• Reinstall fuse.
• Repeat checking procedure to ensure no data remains in ECM fault memory.

NOTE: Disconnecting battery ground lead will also erase trouble codes but may also erase memory from electronic units such as radio.

Trouble code  identification

[1] NOTE: The manufacturer has not attributed any P1 codes to this model range.