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:

Lost Communication with ECM (C1437)
DESCRIPTION The skid control ECU (brake actuator assembly) receives signals from the ECM via the CAN communication system. DTC No. Detection Item DTC Detection Condition Trouble Area C1437 Lost Communication with ECM ...

Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION When the air conditioning amplifier assembly is turned on, a magnetic clutch on signal is sent from the MGC terminal of the air conditioning amplifier assembly. Then, the MG CLT relay turns on to operate the magnetic clutch assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NO ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE OIL PUMP RELIEF VALVE (a) Using a 27 mm socket wrench, remove the oil pump relief valve plug. (b) Remove the oil pump relief valve spring and oil pump relief valve. (c) Remove the spring and relief valve. 2. R ...

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