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

Toyota Tacoma (2015-2018) Service Manual / Cruise Control / Cruise Control System(for 2gr-fks) / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedures to troubleshoot the cruise control system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

3.	CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result	Proceed to
CAN DTC is not output	A
CAN DTC is output	B

GO TO CAN COMMUNICATION SYSTEM

4.	CHECK FOR DTC*

(a) Check for DTCs.

Click here (b) Clear the DTCs.

(b) Clear the DTCs.

Click here (c) Recheck for DTCs. Based on the DTCs output in the first step, try to force

(c) Recheck for DTCs. Based on the DTCs output in the first step, try to force output of the cruise control system DTCs by simulating the conditions indicated by the DTCs.

Result	Proceed to
DTC is not output	A
DTC is output	B

GO TO DIAGNOSTIC TROUBLE CODE CHART

5.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result	Proceed to
Fault is not listed in problem symptoms table	A
Fault is listed in problem symptoms table	B

GO TO STEP 7

6.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Road Test

Click here

(b) Terminals of ECM

Click here (c) Data List / Active Test

Click here

7.	ADJUST, REPAIR OR REPLACE

8.	CONFIRMATION TEST

END

System Diagram

SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line ECM Combination Meter Assembly Cruise main indicato ...

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the causes of the problem symptom. The potential causes of the symptoms are listed in order of probability in the & ...

Other materials:

Replacement
REPLACEMENT PROCEDURE 1. REPLACE AUTOMATIC TRANSMISSION FLUID (a) Lift the vehicle. [*1] NOTICE: Set the vehicle on a lift so that the vehicle is kept level when it is lifted up (make sure that the tilt angle from the front to rear of the vehicle is within +/-1°). (b) Remove th ...

Inspection
INSPECTION PROCEDURE 1. INSPECT AUTO HIGH BEAM SWITCH *a Component without harness connected (Auto High Beam Switch) (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester C ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. REMOVE NO. 1 FRONT WHEEL OPENING EXTENSION PAD (w/ Front Spoiler) 2. SEPARATE FRONT FENDER LINER (a) Remov ...