Toyota Tacoma manuals

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:

Open Circuit in IG1/IG2 Power Source Circuit (C1242)
DESCRIPTION If there is a problem with the skid control ECU (master cylinder solenoid) power supply circuit, the skid control ECU outputs the DTC and prohibits operation under the fail safe function. If the voltage supplied to terminal IG1 and/or IG2 is not within the DTC detection threshold ...

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INSTALLATION PROCEDURE 1. INSTALL INSTRUMENT PANEL SUB-ASSEMBLY (a) Engage the 5 guides to install the instrument panel sub-assembly. (b) Engage the clamps and connect the connectors. (c) Install the nut <G>. (d) Install the 8 bolts <A>. (e) Install the 2 bolts <B> or 2 bo ...

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