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:

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT AIR CONDITIONER PRESSURE SENSOR (for Automatic Air Conditioning System) (a) Check the wire harness. (1) Disconnect the A34 air conditioner pressure sensor connector. (2) Disconnect the A35 and A36 air conditioning amplifier assembly connector. ...

Downhill Assist Control system
The downhill assist control system helps to prevent excessive speed on steep downhill descents. ■ System operation The system will operate when the vehicle is traveling under 15 mph (25 km/h) and the front-wheel drive control switch is in the L4 position. Press the DAC switch. The ind ...

Tailgate
The tailgate can be opened. Pull the handle Open the tailgate slowly The support cables will hold the tailgate horizontal. After closing the tailgate, try pulling it toward you to make sure it is securely locked. Removing the tailgate ■ Before removing the tailgate (vehicles with r ...

В© 2011-2022 Copyright www.ttguide.net