Anti-Lock Brake System (For Hatchback) Dtc Check / Clear

Check the DTC.

1. Turn the ignition switch off.
   

2. Connect the Techstream to the DLC3.
   

3. Turn the ignition switch to ON.
   

4. Turn the Techstream on.
   

5. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
   

6. Check the details of the DTCs (YARIS_NCP93 RM000000XHU08XX.html).
   

   HINT:

   Refer to the Techstream operator's manual for further details.

Clear the DTC.

1. Turn the ignition switch off.
   

2. Connect the Techstream to the DLC3.
   

3. Turn the ignition switch to ON.
   

4. Turn the Techstream on.
   

5. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
   

6. Clear the DTCs by following the prompts on the Techstream.
   

   HINT:

   Refer to the Techstream operator's manual for further details.

Check the DTC.

1. Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.
   

   SST

   09843-18040
   

2. Turn the ignition switch to ON.
   

3. Observe the blinking pattern of the ABS warning light in order to identify the DTC.
   

   HINT:

   If no code appears, inspect the TC and CG terminal circuit, and ABS warning light circuits.

   Trouble Area	See Procedure
   TC and CG terminal circuit	YARIS_NCP93 RM000000XIU0EPX.html
   ABS warning light circuit (Remains on)	YARIS_NCP93 RM000000XIH0CAX.html
   ABS warning light circuit (Does not come on)	YARIS_NCP93 RM000000XIQ0C7X.html

   Text in Illustration

   *a	Front view of DLC3

   HINT:

   1. When the system is operating correctly, each light will blink continuously in a pattern of 0.25 seconds on, and then 0.25 seconds off.
      
   2. When one DTC is output, each light will output the same code at 4 second intervals (for example, code 21 would be output as 2 flashes, a 1.5 second pause, and then 1 flash).
      
   3. When 2 or more DTCs are output, each light will output a different code at 2.5 second intervals, and when all codes have been output, there will be a 4 second pause and the sequence will repeat.
      
   4. When multiple codes are stored, they are output in order starting with the lowest DTC number
      

4. Check the details of the DTCs.
   
   

   ABS DTC

   Warning Light Display	Tester Display
   11	C146E
   12	C146F
   13	C146C
   14	C146D
   21	C1468
   22	C1469
   23	C146A
   24	C146B
   31	C1401
   	C1405
   32	C1402
   	C1406
   33	C1403
   	C1407
   34	C1404
   	C1408
   35	C1413
   36	C1414
   38	C1415
   39	C1416
   41	C1241
   	C1417
   49	C1425
   51	C1427
   	C1428
   59	C1203
   94	U0073
   A2	U0142

5. After completing the check, disconnect terminals TC and CG of the DLC3 to turn off the display.
   

   HINT:

   If 2 or more DTCs are detected at the same time, the DTCs will be displayed in ascending order.

Clear the DTC.

1. Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.
   

   SST

   09843-18040
   

2. Turn the ignition switch to ON.
   

   Text in Illustration

   *a	Front view of DLC3

3. Clear the DTCs stored in the ECU by depressing the brake pedal 8 times or more within 5 seconds.
   

4. Check that the warning light indicates a normal system code.
   

5. Remove SST from the terminals of the DLC3.
   

   HINT:

   Clearing the DTCs cannot be performed by disconnecting the battery terminal or the ECU-IG fuse.

Turn the ignition switch to ON.

Check that the ABS warning light go off within approximately 3 seconds after turning the ignition switch to ON.