Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and reading various data output from the clearance warning ECU assembly.
The clearance warning ECU assembly stores DTCs when the ECU detects a malfunction in the ECU itself or in its circuits.
To check the DTCs, connect the Techstream to the DLC3 on the vehicle. The Techstream makes it possible to clear the DTCs, activate the various actuators, and check the freeze frame data and Data List.
2. CHECK DLC3
(a) Check the DLC3 (See page .gif)
).
Terminals Of Ecu
TERMINALS OF ECU
1. CLEARANCE WARNING ECU ASSEMBLY
(a) Disconnect the C30 connector from the clearance warning ECU assembly.
(b) Measure the voltage and resistance according to the value(s) in th ...
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 back sonar or clearance sonar switch assembly on.
(d) Turn the Techstream o ...
Other materials:
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL UPPER RADIATOR TANK
(a) Install a new upper radiator tank.
Text in Illustration
*1
Upper Radiator Tank
*2
Core Plate
*a
Correc ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH side.
The procedure described below is for the LH side.
PROCEDURE
1. REMOVE REAR ACCESS PANEL WEATHERSTRIP
2. REMOVE LAP BELT OUTER ANCHOR COVER
3. REMOVE ACCESS PANEL INSIDE HANDLE BEZ ...
Event data recorder
This vehicle is equipped with an event data recorder (EDR). The main purpose
of an EDR is to record, in certain crash or near crash-like situations, such as
an air bag deployment or hitting a road obstacle, data that will assist in understanding
how a vehicle’s systems performed. The EDR is ...
