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:
Power Window Switch Malfunction (B2312)
DESCRIPTION
The power window regulator motor assembly is operated by the power window regulator
master switch assembly or power window regulator switch assembly. The power window
regulator motor assembly has motor, regulator and ECU functions.
This DTC is output when the ECU built into the reg ...
Freeze Frame Data
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) When a DTC is stored, the 4 wheel drive control ECU stores the current vehicle
state as Freeze Frame Data.
HINT:
Freeze Frame Data at the time a DTC is stored:
When the 4 wheel drive control ECU stores data at the time a DTC is stored, no
updates w ...
Abbreviations Used In Manual
ABBREVIATIONS USED IN MANUAL
Abbreviations
Meaning
ABS
Anti-Lock Brake System
A/C
Air Conditioner
AC
Alternating Current
ACC
Accessory
ACIS
...
