DTC Check / Clear

WARNING: This page is about a different car, the 2010 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC (CHECK USING TECHSTREAM)
1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Navigation System / Trouble Codes.
5. Check the DTC(s) and freeze frame data, and then write them down.
6. Check the details of the DTC(s). Refer to DIAGNOSTIC TROUBLE CODE CHART .
CLEAR DTC (CLEAR USING TECHSTREAM)
1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Navigation System / Trouble Codes.
5. Clear the DTCs.

START DIAGNOSTIC MODE

HINT:

Illustrations may differ from the actual vehicle screen depending on the device settings and options. Therefore, some detailed areas may not be exactly the same as on the actual vehicle screen.
To help find the malfunction when the system cannot change to diagnostic mode, check for DTCs using the Techstream.
After the ignition switch is turned to ON, check that the map is displayed before starting diagnostic mode. Otherwise, some items cannot be checked.

There are 2 methods to start diagnostic mode. Start the mode by using either of them.
Method 1
1. Start the engine.
2. While pressing and holding the "INFO" switch, operate the light control switch: off → turn on → Turn off → turn on → turn off → turn on → turn off.
  
  Fig 1: Identifying Start Diagnostic Mode (Method 1)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Diagnostic mode starts and the "System Check Mode" screen is displayed. The service inspection starts automatically and the result is displayed.

Method 2

Start the engine.
Press the "DISP" switch.

Fig 2: Identifying Start Diagnostic Mode (Method 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

From the display quality adjustment screen, touch the corners of the screen in the following order: upper left → lower left → upper left → lower left → upper left → lower left.

Fig 3: Identifying Display Quality Adjustment Screen

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

*a	Upper Left
*b	Lower Left

Diagnostic mode starts and the "System Check Mode" screen is displayed.

FINISH DIAGNOSTIC MODE
1. Turn the ignition switch off.
FAILURE DIAGNOSIS
1. Press the "Failure Diagnosis" switch on the "Service Menu" screen.
  
  Fig 4: Failure Diagnosis - Service Menu Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. The "Failure Diagnosis" is displayed.
  
  Fig 5: Failure Diagnosis Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SYSTEM CHECK
1. Press the "System Check" switch on the "Failure Diagnosis" screen.
  
  Fig 6: System Check - Failure Diagnosis Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. The "System Check Mode" screen is displayed.
  
  Fig 7: System Check Mode Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

CHECK DTC (CHECK USING SYSTEM CHECK MODE SCREEN)

Read the system check result.

If the check result is "EXCH" or "CHEK", touch the displayed check result.

Fig 8: Identifying System Check Mode Screen
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

When all the results are "OK", this means that no DTCs are stored.

View the results on the "Unit Check Mode" screen and record them.

Fig 9: Identifying Unit Check Mode

TEXT IN ILLUSTRATION

*a	Diagnostic Code

When proceeding to view the results of another device, press the "Back" switch to return to the "System Check Mode" screen.

Fig 10: Identifying Unit Check Mode
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

To check the other items, repeat this procedure from the first step.

DTC CLEAR/RECHECK (CLEAR USING SYSTEM CHECK MODE SCREEN)
1. Clear DTC
  
  Fig 11: Identifying Memory CLR Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Press the "Memory CLR" switch for 3 seconds.
  2. Confirm that the check results are cleared.
    HINT:
    - To clear the DTC for a specific device, clear the DTC using the "Unit Check Mode" screen.
    - When clearing a DTC using the "Unit Check Mode" screen, press the "Code CLR" switch for 3 seconds.
2. Recheck
  
  Fig 12: Identifying Recheck Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Press the "Recheck" switch.
  2. Confirm that all check results are "OK" when the check results are displayed. If a result other than "OK" is displayed, troubleshoot again.
    
    Fig 13: Identifying System Check Mode
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    HINT:
    
    When a DTC is cleared using the "Unit Check Mode" screen, press the "Back" switch to return to the "System Check Mode" screen and perform this operation.