Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Dtc Check / Clear

DTC CHECK / CLEAR

HINT:

  • DTCs which are stored in the ECM can be displayed on the Techstream.
  • The Techstream can display pending DTCs and current DTCs. Some DTCs are not stored unless a malfunction is detected in consecutive driving cycles. When a malfunction is detected in only one driving cycle, it is stored as a pending DTC.

1. CHECK DTC (Using Techstream)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Transmission / Trouble Codes.

(e) Check for DTCs and freeze frame data, and write them down.

Techstream Display

Description

Test Failed

Shows the malfunction judgment results for the current trip.

Pending

Shows the malfunction judgment results from when the DTCs were last cleared up until they were checked. (Indicates the possibility of a malfunction when no DTCs are confirmed.)

Confirmed

Shows the DTCs confirmed up to now. (The number of current trips differs for each DTC.)

(f) Check the details of the DTCs (See page ). ).

NOTICE:

When simulating a symptom and using the Techstream to check for DTCs, use normal mode. For DTCs in the Diagnostic Trouble Code Chart subject to "2 trip detection logic", perform the following:

Turn the ignition switch off after the symptom is simulated once. Then repeat the simulation process. When the symptom has been simulated twice, the MIL will illuminate and DTCs will be stored in the ECM.

2. CLEAR DTC (When Using Techstream)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Transmission / Clear DTCs.

(e) Clear the DTCs.

3. CLEAR DTC (When not Using Techstream)

(a) Perform either of the following operations:

NOTICE:

After turning ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work (See page (1) Disconnect the cable from the negative (-) battery terminal for more than ).

(1) Disconnect the cable from the negative (-) battery terminal for more than 1 minute.

(2) Remove the EFI NO. 1 and ETCS fuses from the engine room relay block, located inside the engine compartment, for more than 1 minute.

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when dec ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Manual Transmission System DTC Code Detection Item MIL Memory See page P03352A Cranks ...

Other materials:

Motor Power Supply Voltage Circuit (C142B-C146D)
DESCRIPTION The motor relay and motor fail-safe relay are built into the brake actuator assembly. During ABS, TRAC, VSC, or brake assist operation, the skid control ECU (brake actuator assembly) turns on the motor relay to run the pump motor in the brake actuator assembly. When a motor system ...

Black Screen
PROCEDURE 1. CHECK DISPLAY SETTING (a) Check that the display is not in "Screen Off" mode. OK: The display setting is not in "Screen Off" mode. NG CHANGE SCREEN TO SCREEN ON MODE OK ...

No Sound can be Heard from Speakers
PROCEDURE 1. CHECK AUDIO SETTINGS (a) Display the "Sound Settings" screen. (b) Set volume, fader and balance to the initial values and check that sound is normal. OK: Audio system returns to normal. HINT: Sound quality adjustment measures vary acco ...

В© 2011-2025 Copyright www.ttguide.net