Toyota Tacoma manuals

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 3. INSPECT BATTERY VOLTAGE ).

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:

P/W Master Switch Communication Stop (B1206)
DESCRIPTION This DTC is stored when LIN communication between the power window regulator master switch assembly and main body ECU (multiplex network body ECU) stops for 10 seconds or more. DTC No. DTC Detection Condition Trouble Area B1206 ...

Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 1 ULTRASONIC SENSOR HINT: Use the same procedure for both sides. (a) Engage the 4 claws to install the 4 No. 1 ultrasonic sensors as shown in the illustration. 2. INSTALL REAR BUMPER EXTENSION LH (w/ Towing Package) (See page ) 3. INSTALL REAR BUMPE ...

Removal
REMOVAL PROCEDURE 1. REMOVE FUEL TANK ASSEMBLY Click here 2. DISCONNECT FUEL TANK MAIN TUBE SUB-ASSEMBLY Click here 3. REMOVE FUEL PUMP GAUGE RETAINER NOTICE: Before performing these procedures, first cover the connectors and tube joints of the fuel suction tube with pump and gauge ass ...

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