Toyota Tacoma 2015-2018 Service Manual: How To Proceed With Troubleshooting

Toyota Tacoma 2015-2018 Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System(for Hydraulic Brake Booster) / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

Techstream can be used in steps 3, 6, 9 and 12.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

3.	CHECK AND CLEAR DTCS AND FREEZE FRAME DATA

4.	PROBLEM SYMPTOM CONFIRMATION

5.	CHECK CAN COMMUNICATION SYSTEM

(a) Check for output DTCs.

HINT:

The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there is no trouble in the CAN communication system.

Result	Proceed to
CAN communication system DTC not output	A
CAN communication system DTC output	B

CAN COMMUNICATION SYSTEM

6.	CHECK CLEAR DTCS

7.	PROBLEM SYMPTOM SIMULATION

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

GO TO STEP 9

8.	SYMPTOM SIMULATION

9.	CHECK DTCS (OTHER THAN CAN SYSTEM DTCS)

Result	Proceed to
DTC not output	A
DTC output	B

GO TO STEP 11

10.	PROBLEM SYMPTOMS TABLE

GO TO STEP 12

11.

DTC CHART

12.	CIRCUIT INSPECTION

13.	PROBLEM IDENTIFICATION

14.	REPAIR OR REPLACE

15.	CONFIRMATION TEST

END

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