Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) The diagnosis function turns off the cruise control indicator, illuminates the master warning light and displays a warning message when a malfunction is detected. When a malfunction is detected in the dynamic radar cruise control system, DTCs are stored in the ECM or millimeter wave radar sensor assembly.
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*1 |
Cruise Control Indicator (Constant Speed Control Mode) |
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*2 |
Cruise Control Indicator (Vehicle-to-vehicle Distance Control Mode) |
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*3 |
Master Warning Light |
NOTICE:
- If DTCs related to the communication system are stored, "Cruise Control Malfunction Visit Your Dealer", which is displayed in the combination meter assembly, disappears when the system returns to normal.
- If DTCs not related to the communication system are stored, "Cruise Control Malfunction Visit Your Dealer", which is displayed in the combination meter assembly, disappears when the ignition switch off then back ON after the system returns to normal.
DESCRIPTION
(a) The ECM and millimeter wave radar sensor assembly control the dynamic radar cruise control system of the vehicle. The data and DTCs relating to the dynamic radar cruise control system can be read from the DLC3 of the vehicle. Use the Techstream to check and solve the problem.
CHECK DLC3
(a) Check the DLC3.
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CHECK INDICATOR
(a) Turn the ignition switch to ON.
(b) Check that the cruise control indicator illuminates when the dynamic radar cruise control system is turned on using the cruise control main switch (ON-OFF button), and that the indicator turns off when the dynamic radar cruise control system is turned off using the cruise control main switch (ON-OFF button).
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*1 |
Cruise Control Indicator (Constant Speed Control Mode) |
|
*2 |
Cruise Control Indicator (Vehicle-to-vehicle Distance Control Mode) |
Road Test
ROAD TEST
PROBLEM SYMPTOM CONFIRMATION
HINT:
The dynamic radar cruise control system has 2 cruise control modes:
constant speed control mode and vehicle-to-vehicle distance control mode ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
Before replacing the ECM, refer to Registration.
w/o Smart Key System: Click here
w/ Smart Key System: Click here
When the millimeter wave rad ...
Other materials:
Installation
INSTALLATION
PROCEDURE
1. INSTALL BRAKE ACTUATOR BRACKET ASSEMBLY
(a) Install the actuator bracket with the 3 bolts in the sequence shown
in the illustration.
Torque:
5.4 N·m {55 kgf·cm, 48 in·lbf}
2. INSTALL BRAKE ACTUATOR ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FLUID LEVEL IN RESERVOIR
(a) Check the fluid level.
If the brake fluid level is lower than the MIN line, check for leaks and inspect
the disc brake pads. If necessary, refill the reservoir with brake fluid to the
MAX line after repair or replaceme ...
All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door
Key Cylinder
DESCRIPTION
The main body ECU (multiplex network body ECU) receives switch signals from the
power window regulator master switch assembly and driver door key cylinder lock
or unlock switch signals from the front door lock assembly. The main body ECU (multiplex
network body ECU) activates the ...
