Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Dtc Check / Clear

DTC CHECK / CLEAR

1. DTC CHECK/CLEAR (When Using Techstream)

(a) 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) Read the DTCs following the prompts on the Techstream screen. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.

(6) Check the details of the DTCs (See page ). ).

(b) 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) Operate the Techstream to clear the codes. 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.

2. DTC CHECK/CLEAR (When Using SST Check Wire)

(a) Check the DTC.

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

SST: 09843-18040

Text in Illustration

*a

Front view of DLC3

(2) Turn the ignition switch to ON.

(3) Observe the blinking pattern of the ABS warning and slip indicator lights in order to identify the DTC.

HINT:

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

Trouble Area

See procedure

TC and CG terminal circuit

ABS warning light circuit (Remains on)

ABS warning light circuit (Does not come on)

Slip indicator light circuit (Remains on)

Slip indicator light circuit (Does not come on)

(4) Count the number of blinks of the ABS warning and slip indicator lights.

HINT:

  • 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.
  • 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 blinks, a 1.5 second pause, and then 1 blink).
  • 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.
  • When multiple codes are stored, they are output in order starting with the lowest DTC number.

(5) Check the details of the DTCs.

ABS DTC

Warning Light Display

Techstream Display

11

C146E

12

C146F

13

C142B

C146C

14

C146D

21

C1468

22

C1469

23

C146A

24

C146B

25

C1225

31

C1401

C1405

32

C1402

C1406

33

C1403

C1407

34

C1404

C1408

35

C1413

36

C1414

37

C1337

38

C1415

39

C1416

41

C120B

C1241

C1417

43

C1232

C1243

44

C1419

C1442

45

C1245

46

C1421

C1422

C1423

C1424

C142A

C1449

49

C1425

C1426

51

C1427

C1428

59

C1203

68

C1268

94

U0073

95

U0124

97

C1381

98

C1336

VSC DTC

Warning Light Display

Techstream Display

31

C1432

C1433

C1434

34

C1435

C1436

C1443

36

C1210

51

C1201

63

U0126

64

C1380

65

C1437

U0100

66

C1290

C1439

C1445

98

C1440

(6) 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.

(b) Clear the DTC.

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

SST: 09843-18040

Text in Illustration

*a

Front view of DLC3

(2) Turn the ignition switch to ON.

(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:

The DTCs cannot be cleared by disconnecting the battery terminal or the ECU-IG NO. 3 fuse.

3. END OF DTC CHECK/CLEAR

(a) Turn the ignition switch to ON.

(b) Check that the ABS warning and slip indicator lights go off within approximately 3 seconds after turning the ignition switch to ON.

Terminals Of Ecu
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Fail-safe Chart
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