Diagnostic Trouble Code Chart

DTC COMBINATION TABLE
NOTE: Complete "CHECK CAN BUS LINE" (see CHECK CAN BUS LINE ) to confirm that there is no malfunction in the CAN bus line, and then perform troubleshooting according to the following DTC combination table.
1. Confirm the trouble mode according to the combination of output DTCs.
  
  Fig 1: DTC Trouble Mode Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - DTC C1223/43 is also output when U0073/94 or U0124/95 is output.
  - U0073/94, U0123/62, U0124/95, U0126/63 and U0100/65 (*1) are the DTCs in the CAN communication system.
  - The above table shows combinations of these DTCs.
  - O.....DTCs that are being output.
  - -.....DTCs that are not being output.
  - *1 .....2AZ-FE
2. Confirm the trouble mode by referring to the above. Then check the parts to be replaced and pages to proceed to, by referring to the below.
  
  Fig 2: DTC Mode Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - *1 .....2AZ-FE
  - *2.....U0100/65 is also output if no power is supplied to the ECM.
3. DTC detection condition
  
  Fig 3: DTC Detection Condition Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  - *1 .....2AZ-FE