Diagnostic Trouble Codes Check/Clear

DTC CHECK (USING SST CHECK WIRE)
1. Using SST check wire, connect terminals TC and CG of the DLC3.
  SST 09843-18040
2. Turn the ignition switch to the ON position.
  
  Fig 1: Identifying Terminals TC And CG Of DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Read and record DTCs from the CRUISE main indicator light on the combination meter. As examples, refer to the chart below for the blinking patterns of the normal system code and diagnostic trouble codes 21 and 52.
  
  Fig 2: Blinking Patterns Of Normal System Code And Diagnostic Trouble Codes 21 And 52
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Refer to the DIAGNOSTIC TROUBLE CODE CHART ) for DTC information.
DTC CLEAR (USING SST CHECK WIRE)
1. Remove the battery cable or EFI fuse.
DTC CHECK (USING HAND-HELD TESTER)
1. Connect the hand-held tester to the DLC3.
2. Turn the ignition switch to the ON position.
3. Read the DTCs on the tester screen.
DTC CLEAR (USING HAND-HELD TESTER)
1. Connect the hand-held tester to the DLC3.
2. Turn the ignition switch to the ON position.
3. Clear the DTCs following the prompts on the tester screen.