Toyota CH-R Service Manual: Dtc Check / Clear

DTC CHECK / CLEAR

DTC CHECK/CLEAR (When Using TECHSTREAM)

(a) Check for DTCs.

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

Chassis > ABS/VSC/TRAC/EPB > Trouble Codes

(6) Check the details of the DTCs.

Click here

NOTICE:

The vehicle stability control system outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the vehicle stability control system are output, refer to Diagnostic Trouble Code Chart for the relevant system.

System

Proceed to

Electric Parking Brake System

(b) Clear the DTCs.

(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/EPB / Trouble Codes.

Chassis > ABS/VSC/TRAC/EPB > Clear DTCs

(6) Press the DTC clear button.

DTC CHECK/CLEAR (When Using SST Check Wire)

(a) Check for DTCs.

(1) Turn the ignition switch off.

(2) Using SST, connect terminals TC and CG of the DLC3.

SST: 09843-18040

*a

Front view of DLC3

(3) Turn the ignition switch to ON.

(4) Observe the blinking pattern of the ABS warning, slip indicator and brake hold standby indicator lights in order to identify the DTC.

HINT:

If no code appears, inspect the TC and CG terminal circuit, and ABS warning, slip indicator and brake hold standby indicator light 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)

Brake hold standby indicator light circuit

(5) 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.
  • If the brake hold operated indicator light is blinking before terminals of the DLC3 are connected, when terminals 13 (TC) and 4 (CG) of the DLC3 are connected, the brake hold operated indicator light stops blinking and turns off.

(6) Check the details of the DTCs.

ABS DTC

ABS Warning Light Display

Tester Display

11

C146E

13

C146C

21

C1468

22

C1469

23

C146A

24

C146B

25

C1225

26

C1226

27

C1227

28

C1228

31

C1464

32

C1465

33

C1466

34

C1467

35

C1330

36

C1331

37

C1237

38

C1332

39

C1333

41

C1241

C1417

43

C1243

44

C1419

C1420

C1474

45

C1245

46

C1246

49

C1249

C1425

C1426

51

C1428

62

C1300

67

C1429

C1430

C1431

94

U0073

97

C1381

VSC DTC

Slip Indicator Light Display

Tester Display

28

C1472

C1474

31

C1432

C1433

C1434

C1439

C1445

32

C1419

C1420

34

C1234

C1435

C1436

39

C1336

43*1

-

44

C1224

51

C1201

62

U0123

63

U0126

64

C1380

65

U0100

6A*2

C1381

88

C1288

98

C1448

-

C1441

Brake Hold DTC

Warning Light Display

Tester Display

11*3

-

14*4

-

58

U0142

  • *1: This DTC is output when the VSC system detects a malfunction in the ABS.
  • *2: The light blinks 6 times, turns off for 1.5 seconds, and then blinks 10 times.
  • *3: This DTC is output when the Brake Hold system detects a malfunction in the VSC.
  • *4: This DTC is output when the Brake Hold system detects a malfunction in the EPB.

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

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

(b) Clear the DTCs.

(1) Turn the ignition switch off.

(2) Using SST, connect terminals TC and CG of the DLC3.

SST: 09843-18040

*a

Front view of DLC3

(3) Turn the ignition switch to ON.

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

(5) Check that the ABS warning and slip indicator lights indicate the normal system code.

(6) Remove SST from the terminals of the DLC3.

HINT:

The DTCs cannot be cleared by disconnecting the battery terminal or the ECU-IG NO. 1 fuse.

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 of turning the ignition switch to ON.

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