Toyota Tacoma (2015-2018) Service Manual: Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
1. CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [POWER SOURCE CONTROL])
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Power Source Control / Trouble Codes.
(e) Check for DTCs.
HINT:
Refer to the Techstream operator's manual for further details.
2. CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [STARTING CONTROL])
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Starting Control / Trouble Codes.
(e) Check for DTCs.
HINT:
Refer to the Techstream operator's manual for further details.
3. CHECK FOR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [SMART KEY])
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Key / Trouble Codes.
(e) Check for DTCs.
HINT:
Refer to the Techstream operator's manual for further details.
4. CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [POWER SOURCE CONTROL])
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Power Source Control / Trouble Codes.
(e) Clear the DTCs by following the directions on the Techstream display.
HINT:
Refer to the Techstream operator's manual for further details.
5. CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [STARTING CONTROL])
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Starting Control / Trouble Codes.
(e) Clear the DTCs by following the directions on the Techstream display.
HINT:
Refer to the Techstream operator's manual for further details.
6. CLEAR DTC (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) [SMART KEY])
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Key / Trouble Codes.
(e) Clear the DTCs by following the directions on the Techstream display.
HINT:
Refer to the Techstream operator's manual for further details.
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Smart key system (for start function) data and the Diagnostic Trouble Codes
(DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When
t ...
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:
Washer Level Warning Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT LEVEL WARNING SWITCH ASSEMBLY
HINT:
This check should be performed with the windshield washer motor and pump assembly
installed on the washer jar.
(a) Fill the washer jar with washer fluid.
(b) ...
Off-road precautions (4WD models and PreRunner)
This vehicle has higher ground clearance and narrower tread in relation to
the height of its center of gravity to make it capable of performing in a wide variety
of off-road applications.
Off-road vehicle feature
● Specific design characteristics give it a higher center of gravity than o ...
Daytime Running Light Relay
Inspection
INSPECTION
PROCEDURE
1. INSPECT NO. 1 DAY TIME RUNNING LIGHT RELAY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard:
Tester Connection
Condition
Specified ...
