Toyota Tacoma (2015-2018) Service Manual: Dtc Check / Clear
DTC CHECK / CLEAR
1. DTC CHECK
HINT:
- When DTC B1650/23 is detected as a result of troubleshooting for the airbag system, troubleshoot the occupant classification system.
- Use the Techstream to read and clear DTCs, otherwise the DTCs cannot be read and cleared.
(a) Check for DTCs.
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to the on position.
(3) Check for DTCs by following the prompts on the Techstream screen.
HINT:
Refer to the Techstream operator's manual for further details.
(b) Clear the DTCs.
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to the on position.
(3) Clear the DTCs by following the prompts on the Techstream screen.
HINT:
Refer to the Techstream operator's manual for further details.
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) The vehicle's ECU uses the ISO 9141-2 for communication protocol. The terminal
arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 fo ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Proceed to the troubleshooting for each circuit in the table below.
Symptom
Suspected Area
See page
Passenger seat occ ...
Other materials:
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Vacuum Brake Booster
*B
for Hydraulic Brake Booster
*1
SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
*2
SKID CONTROL ECU (MASTER CYLINDER SOLENOID)
*3
...
Terminals Of Ecu
TERMINALS OF ECU
1. OCCUPANT DETECTION ECU
Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
+B (O5-1) -
GND (O5-3)
R - W-B
Battery
Ignition switch on
...
Data List / Active Test
DATA LIST / ACTIVE TEST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when deciding whether a part
is faulty or not.
HINT:
Using the Techstream to read the Data List allows the values or s ...
