Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
2. CHECK DLC3
(a) Check the DLC3 (See page .gif)
).
3. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard voltage:
11 to 14 V
- If the voltage is below 11 V, recharge or replace the battery.
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any p ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Sliding Roo ...
Other materials:
Lost Communication with HMI-LAN (B150A)
DESCRIPTION
The combination meter assembly receives a text data signal from the navigation
receiver assembly or radio and display receiver assembly via local bus communication.
Based on this signal, navigation system information is displayed on the multi-information
display.
This DTC is store ...
Check Bus 3 Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there
is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway
ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway
ECU (network gateway ECU) and ...
Terminals Of Ecu
TERMINALS OF ECU
Text in Illustration
*a
Component without harness connected
(Skid Control ECU [Brake Actuator Assembly])
-
-
Terminal No. (Symbol)
Terminal Description
1 (GND2)
Pump motor g ...
