Toyota Tacoma (2015-2018) Service Manual: Terminals Of Ecm
TERMINALS OF ECM
1. CHECK 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 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:
Door Control Transmitter(w/ Smart Key System)
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE TRANSMITTER BATTERY
Inspection
INSPECTION
PROCEDURE
1. INSPECT ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY
(a) Inspect the operation of the electrical key transmitter sub-assembly.
(1) Remove the transmitter ba ...
Traffic Information is not Displayed
CAUTION / NOTICE / HINT
NOTICE:
Traffic information requires payment. An "XM Nav Traffic" contract must
be made between the satellite radio company and the user. If the contract
expires, traffic information will not be available.
Traffic information does not apply to ...
Open in Bus 3 Main Bus Line
DESCRIPTION
There may be an open circuit in one of the CAN main bus lines when the resistance
between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway
ECU) is 70 Ω or higher.
Detection Item
Trouble Area
Resistance between term ...
