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

ModeL Year Engine identification System
tC  2.4L 2005-09 2AZ-FE   SFI
xA  1.SL 2004-06 1 NZ-FE
xB  1.5/2.4L 2004-09 1 NZ-FE/2AZ-FE

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

OBD-11 code

Fault location

Probable cause

PO,P2, UO

Refer to OBD-11 trouble code tables

P1 [1]

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