DTC Check / Clear

DTC CHECK/CLEAR (USING SST CHECK WIRE:)
1. DTC check
  1. Using SST, short-circuit terminals TC and CG of the DLC3.
    SST 09843-18040
  2. Turn the ignition switch to the ON position.
  3. Read and record DTCs from the door warning light on the combination meter. As an example, refer to the chart below for the blinking patterns of the normal system code and diagnostic trouble code 42.
    
    Fig 1: Identifying DLC3 Connectors Terminal
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    Fig 2: Identifying Blinking Pattern
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    HINT:
    - If the door warning light does not blink in the DTC blinking pattern or the normal system code blinking pattern, inspect the multiplex communication system (See HOW TO PROCEED WITH TROUBLESHOOTING ).
    - The door warning light circuit uses BEAN for communication. If there are any malfunctions in the circuit, check for DTCs in the multiplex communication system.
2. DTC clear
  1. Turn the ignition switch off.
  2. If DTCs are indicated, repair the relevant circuits referring to the DIAGNOSTIC TROUBLE CODE CHART .
  3. Clear the DTCs according to either one of the following procedures:
    - Disconnect the negative (-) battery cable for 60 seconds.
    - Remove the ECU-B fuse for 60 seconds.
  4. Recheck DTCs.
DTC CHECK/CLEAR (USING INTELLIGENT TESTER:)
1. DTC check
  1. Connect the intelligent tester to the DLC3.
  2. Turn the ignition switch to the ON position.
  3. Read the DTCs on the tester screen.
2. DTC clear
  1. Connect the intelligent tester to the DLC3.
  2. Turn the ignition switch to the ON position.
  3. Clear the DTCs following the prompts on the tester screen.
    HINT:
    
    The intelligent tester has a SNAPSHOT function which records the monitored data. Refer to the intelligent tester operator's manual for further details.
    
    Fig 3: Identifying Intelligent Tester To DLC3
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002