Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the 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 / Smart Acces ...
Other materials:
Front Upper Suspension Arm
Components
COMPONENTS
ILLUSTRATION
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT SUSPENSION UPPER ARM BUSH
(a) Using a hammer and chisel, raise the flange of the bushing diagonally as
shown in the illustration.
(b) Using SST and a press, remove the front suspension u ...
Position Initialization Incomplete (B2343)
DESCRIPTION
This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly)
has not been initialized.
DTC No.
DTC Detection Condition
Trouble Area
B2343
Sliding roof ECU (sliding roof drive gear sub-assembly) has no ...
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR WHEEL
2. DRAIN BRAKE FLUID
HINT:
Immediately wash off any brake fluid that comes into contact with any painted
surfaces.
3. REMOVE REAR BRAKE DRUM SUB-ASSEMBLY
(a) Release the parking brake, and remove the rear brake drum.
If the rear brake drum cannot be ...
