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:
Check Bus 2 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 18 (CA4H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 17 (CA4L) of the central
gateway ECU (network gateway ECU) and ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL OIL COOLER ASSEMBLY (w/ Air Cooled Transmission Oil Cooler)
(a) Install the 2 oil cooler brackets to the oil cooler assembly with the 2 bolts.
Torque:
5.5 N·m {56 kgf·cm, 49 in·lbf}
(b) Install the oil cooler assembly to the vehicle body with th ...
Lost Communication With Image Processing Module "A" (U023A)
DESCRIPTION
The millimeter wave radar sensor assembly communicates with the forward recognition
camera via CAN communication. If there is a communication error with the forward
recognition camera, the millimeter wave radar sensor assembly stores DTC U023A.
DTC No.
Detecti ...
