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:

Terminals Of Ecu
TERMINALS OF ECU 1. TERMINAL INSPECTION Text in Illustration *a Component without harness connected (Steering Lock ECU (Steering Lock Actuator or UPR Bracket Assembly)) - - (a) Measure the voltage and resistance according to the value(s) i ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL FRONT AXLE HUB OIL SEAL (a) Using a brass bar and a hammer, install a new front axle hub oil seal. NOTICE: Do not damage the oil seal. 2. INSTALL FRONT AXLE WITH ABS ROTOR BEARING ASSEMBLY (a) Using SST and a press, install a new bearing onto the front axle ...

Motor Malfunction (C1427)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C1427 Motor Malfunction Actuator pump motor does not operate properly. Brake actuator assembly (Ground circuit) Brak ...