Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Smart key system (for entry function) data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the smart key system. 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 vehicle battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the vehicle battery.
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
If a problem occurs in certain locations or at certain times of day,
check for the possibility of wave interference.
When the electrical key transmitter ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the C27 and C29 certification ECU (smart key ECU assembly) connectors.
(b) Measure the voltage and resistance a ...
Other materials:
Radio Antenna Cord
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY
(See page )
2. REMOVE ANTENNA CORD SUB-ASSEMBLY
(a) Disengage the 4 clamps to remove the antenna cord sub-assembly.
Installation
INSTALLATION
PROCEDURE
1. INSTALL ANTENNA COR ...
Meter Illumination does not Dim at Night
DESCRIPTION
In this circuit, the combination meter assembly auto dimmer signals from the
main body ECU using the CAN communication system (CAN V1 Bus). When the combination
meter assembly an auto dimmer signal, it dims the meter illumination (warning and
indicator lights). The main body ECU ( ...
Sleep Operation Failure of Occupant Classification ECU (B1796)
DESCRIPTION
During sleep mode, the occupant detection ECU monitors the condition of each
sensor while the ignition switch is off. In this mode, if the occupant detection
ECU detects an internal malfunction, DTC B1796 is set.
DTC No.
DTC Detections Conditions
Tr ...
