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:
Wireless Charger Illumination Circuit
DESCRIPTION
When the light control switch is turned to the tail or head position, this circuit
sends an illumination signal to the mobile wireless charger cradle assembly. Based
on this signal, the mobile wireless charger cradle assembly dims the indicator lights
(green and amber).
WIRING DI ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable f ...
Definition Of Terms
DEFINITION OF TERMS
Term
Definition
Monitor description
Description of what the ECM monitors and how it detects malfunctions
(monitoring purpose and details).
Related DTCs
Group of diagnostic trouble codes that are ou ...
