Toyota Tacoma (2015-2018) Service Manual: Check Mode Procedure
CHECK MODE PROCEDURE
1. DESCRIPTION
Check mode has a higher sensitivity to malfunctions and can detect malfunctions that cannot be detected in normal mode. Check mode can also detect all of the malfunctions that can be detected in normal mode. In check mode, DTCs are stored with 1 trip detection logic.
NOTICE:
- All DTCs and freeze frame data will be cleared if: 1) the Techstream is used to change the ECM from normal mode to check mode or vice versa; or 2) during check mode, the ignition switch is turned from ON to ACC or off.
- Before changing to check mode, make a note of the DTCs and freeze frame data.
2. CHECK MODE PROCEDURE
(a) Make sure that the following conditions are met:
(1) Battery voltage is 11 V or higher.
(2) The throttle valve is fully closed.
(3) The shift lever is in neutral.
(4) The A/C switch is off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Powertrain / Transmission / Utility / Check Mode.
(f) Check that the MIL flashes as shown in the illustration.
(g) Start the engine. The MIL should turn off after the engine starts.
(h) Simulate the conditions of the malfunction described by the customer.
(i) Using the Techstream, check for DTCs and freeze frame data.
Terminals Of Ecm
TERMINALS OF ECM
HINT:
The standard normal voltage between each pair of ECM terminals is shown in the
table below. The appropriate conditions for checking each pair of terminals are
also indic ...
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 ...
Other materials:
Seatback table
Front passenger’s seatback can be used as a temporary table only when the
vehicle is stopped.
Fold down the front passenger’s seat to use the seatback table.
CAUTION
■Caution while driving
Observe the following precautions to avoid death or serious injury.
●Do not set up the ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE PEDAL HEIGHT
(a) Check the brake pedal height.
Pedal height from dash panel:
Type
Pedal Height
Automatic transmission
164.4 to 174.4 mm (6.473 to 6.866 in.)
Manual transmission ...
Electronic Circuit Inspection Procedure
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
1. BASIC INSPECTION
(a) WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS
(1) Unless otherwise stated, all resistance measurements should be made at an
ambient temperature of 20°C (68°F). Resistance measurements may be inaccurate if
measured at high tempe ...
