Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Terminals Of Ecm

TERMINALS OF ECM

1. CHECK ECM

HINT:

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 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

Condition

Specified Condition

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

L - W-B

Battery (for measuring battery voltage and for ECM memory)

Always

11 to 14 V

E11-1 (E1) - Body ground

W-B - Body ground

Ground circuit of ECM

Always

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:

Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here FUNCTION OF WARNING INDICATOR AND MESSAGE (a) If the lane departure alert system is not functioning properly, the driver is warned by the lane departure alert indicator and multi-information display warning message on the combinat ...

Ptc Heater Relay
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT PTC HEATER RELAY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection C ...

Removal
REMOVAL PROCEDURE 1. PRECAUTION NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work. Click ...

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