Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Terminals Of Ecm





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 indicated. The result of checks should be compared with the standard normal voltage for that pair of terminals, displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.

Terminal No. (Symbol)

Wiring Color

Terminal Description


Specified Condition

E14-2 (BATT) - E11-1 (E1)

L - W-B

Battery (for measuring battery voltage and for ECM memory)


11 to 14 V

E11-1 (E1) - Body ground

W-B - Body ground

Ground circuit of ECM


Below 1 Ω

E9-34 (LIN) - Body ground

L - Body ground

LIN communication line

Ignition switch off

10 kΩ or higher

Diagnosis System
DIAGNOSIS SYSTEM 1. DLC3 (Data Link Connector 3) (a) Check the DLC3 (See page ). 2. BATTERY VOLTAGE Standard voltage: 11 to 14 V If the voltage is below 11 V, replace or recharge the battery. ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (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 / Engine / Trouble ...

Other materials:

Data Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION The No. 1 stereo jack adapter assembly sends the sound data signal or image data signal from a USB device to the radio and display receiver assembly via this circuit. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMB ...

INSTALLATION PROCEDURE 1. INSTALL POWER STEERING LINK (a) Insert the power steering link into the vehicle in the order shown in the illustration. Install in this Direction (1) Install in this Direction (2) (b) Temporarily install the po ...

Brake Booster Pump Motor on Time Abnormally Long (C1252)
DESCRIPTION The motor relay (semiconductor relay) is built into the master cylinder solenoid and drives the pump motor based on a signal from the skid control ECU (master cylinder solenoid). DTC No. DTC Detecting Condition Trouble Areas C1252 ...

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