Toyota Tacoma (2015-2018) Service Manual: Dtc Check / Clear
DTC CHECK / CLEAR
HINT:
- When using the Techstream with the engine switch off to troubleshoot: Connect the Techstream to the DLC3 and turn a courtesy light switch on and off at 1.5 second intervals until communication between the Techstream and vehicle begins.
- Refer to the Techstream operator's manual for further details.
1. CHECK FOR IMMOBILISER DTC
(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.
2. CHECK FOR ECM DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(e) Check for DTCs.
3. CLEAR IMMOBILISER DTC
(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.
4. CLEAR ECM DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(e) Clear the DTCs.
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle
engine immobiliser system functions. Engine immobiliser system data and Diagnostic
...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK ENGINE SWITCH
(a) Measure the resistance and voltage according to the value(s) in the table
below.
Terminal No. (Symbol)
Input/Output
...
Other materials:
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR SEAT ASSEMBLY LH (for Double Cab)
Click here
2. REMOVE REAR SEAT ASSEMBLY RH (for Double Cab)
Click here
3. REMOVE REAR DOOR SCUFF PLATE LH (for Double Cab)
Click here
4. REMOVE REAR DOOR SCUFF PLATE RH (for Double Cab)
HINT:
Use the same procedure ...
Entry Exterior Alarm and Answer-back Buzzer do not Sound
DESCRIPTION
The smart key system (for Entry Function) uses the wireless door lock buzzer
to perform various vehicle exterior warnings. When the conditions of each warning
are met, the certification ECU (smart key ECU assembly) sends a buzzer activation
request signal to the main body ECU (mul ...
Towing Tail Relay
Inspection
INSPECTION
PROCEDURE
1. INSPECT TOWING TAIL RELAY
(a) Check the resistance.
(1) Using an ohmmeter, measure the resistance between the terminals.
Standard:
Tester Connection
Specified Condition
3-5
10 kΩ or higher
...
