Toyota 4Runner: Dtc Check / Clear

Toyota 4Runner Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System(for Hydraulic Brake Booster) / Dtc Check / Clear

DTC CHECK / CLEAR

1. DTC CHECK / CLEAR (when Using Techstream)

(a) Check for DTCs.

(1) Connect the Techstream to the DLC3.

(2) Turn the ignition switch to ON.

(3) Turn the Techstream on.

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

(5) Read the DTCs by following the prompts on the Techstream screen.

(b) Clear the DTCs.

(1) Connect the Techstream to the DLC3.

(2) Turn the ignition switch to ON.

(3) Turn the Techstream on.

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

(5) Operate the Techstream to clear the codes.

HINT:

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

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

(a) Check for DTCs.

(1) Turn the ignition switch off.

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

SST: 09843-18040

Text in Illustration

*a	Front view of DLC3

(3) Turn the ignition switch to ON.

(4) Read the DTCs output from the ABS warning light and slip indicator light in the combination meter.

HINT:

When the system is normal, the ABS warning light and slip indicator light blink at 0.25 seconds intervals (0.25 seconds on and 0.25 seconds off).
When only 1 DTC is stored, the light outputs the same code after an interval of 4 seconds. Example: When DTC 21 is stored, the light blinks twice, turns off for 1.5 seconds, blinks once, turns off for 4 seconds, and then repeats this output pattern.
When 2 or more DTCs are stored, the light outputs the codes with an interval of 2.5 seconds between each different code, and the output of all codes repeats after an interval of 4 seconds.
If no code is output, inspect the TC and CG terminal circuit and the ABS warning light and slip 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)

(5) The codes are explained in the code table.

ABS DTC

ABS Warning Light Display	Techstream Display
11	C0278
12	C0279
21	C0226
22	C0236
23	C0246
24	C0256
25	C1225
26	C1226
27	C1227
28	C1228
31	C1401
	C1405
	C1409
32	C1402
	C1406
	C1410
33	C1403
	C1407
	C1411
34	C1404
	C1408
	C1412
35	C1413
36	C1414
37	C1337
38	C1415
39	C1416
41	C1241
41	C1417
42	C1242
43	C1243
44	C1419
	C1420
	C1442
45	C1245
46	C1421
	C1422
	C1423
	C1424
49	C1425
51	C1251
52	C1252
53	C1253
54	C1254
56	C1256
56	C1452
57	C1257
58	C1453
58	C1454
68	C1268
94	U0073
95	U0124
97	C1381
A1*	U0114

*: The light blinks 10 times, turns off for 1.5 seconds, and then blinks once.

VSC DTC

Slip Indicator Light Display	Techstream Display
13	C120A
31	C1432
	C1433
	C1434
32	C1232
34	C1435
	C1436
	C1443
36	C1210
39	C1336
43*	-
47	C1340
53	C1203
58	C1258
62	U0123
63	U0126
64	C1380
65	C1437
65	U0100
66	C1290
	C1439
	C1445
98	C1440

*: This DTC is output when the VSC system detects a malfunction in the ABS.

(6) Disconnect terminals 13 (TC) and 4 (CG) of the DLC3.

If 2 or more DTCs are output at the same time, the DTCs are output in ascending order.

(b) Clear the DTCs.

(1) Turn the ignition switch off.

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

SST: 09843-18040

Text in Illustration

*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 light and slip indicator light blink at 0.25 second intervals (0.25 seconds on and 0.25 seconds off).

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

3. END OF DTC CHECK/CLEAR

(a) Turn the ignition switch to ON.

(b) Check that the ABS warning light and slip indicator light go off within approximately 3 seconds.

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