Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Terminals Of Ecu

TERMINALS OF ECU

1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK

(a) Remove the main body ECU (multiplex network body ECU) from the driver side

(a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block (See page (b) Disconnect the 1D driver side junction block connector. ).

(b) Disconnect the 1D driver side junction block connector.

(c) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

MB-11 (GND1) - Body ground

None - Body ground

Ground

Always

Below 1 Ω

MB-31 (BECU) - Body ground

None - Body ground

Battery power supply

Always

11 to 14 V

MB-30 (ACC) - Body ground

None - Body ground

ACC power supply

Ignition switch ON(ACC)

11 to 14 V

MB-32 (IG) - Body ground

None - Body ground

Ignition switch power supply

Ignition switch ON(IG)

11 to 14 V

1D-31 (KSW) - Body ground

G - Body ground

Unlock warning switch input

No Key in ignition key cylinder (off)

10 kΩ or higher

Key inserted ignition key cylinder (on)

Below 1 Ω

(d) Install the main body ECU (multiplex network body ECU) to the driver side junction block (See page (e) Reconnect the 1D driver side junction block connector. ).

(e) Reconnect the 1D driver side junction block connector.

(f) Measure the voltage and check for pulse according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

M6-6 (FLCY) - Body ground

Y - Body ground

Front door LH courtesy light switch input

Front door LH open

Below 1 V

Front door LH closed

Pulse generation

1D-31 (KSW) - Body ground

G - Body ground

Unlock warning switch input

No Key in ignition key cylinder (off)

11 to 14 V

Key inserted ignition key cylinder (on)

Below 1 V

Diagnosis System
DIAGNOSIS SYSTEM 1. CHECK DLC3 (a) Check the DLC3 (See page ). 2. INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard voltage: 11 to 14 V If the voltage is below 11 V, replace t ...

Key Reminder Buzzer does not Sound
DESCRIPTION The key reminder warning buzzer sounds when the driver side door is opened while the ignition switch is in the LOCK or ACC positions. The key reminder warning buzzer is activated when ...

Other materials:

Fuel Pressure Sensor
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT FUEL DELIVERY PIPE SUB-ASSEMBLY (FUEL PRESSURE SENSOR) NOTICE: Do not remove the fuel pressure sensor from the fuel delivery pipe sub-assembly. If a fuel pressure sensor is removed, replace the ...

Inspection
INSPECTION PROCEDURE 1. INSPECT PROPELLER SHAFT WITH CENTER BEARING ASSEMBLY (a) Using a dial indicator, check the propeller shaft runout. Maximum runout: 0.6 mm (0.0236 in.) If the shaft runout is greater than the maximum, replace the shaft. 2. INSPECT PROPELLER SHAFT (a) Using a dial ...

Cleaning and protecting the vehicle interior
The following procedures will help protect your vehicle’s interior and keep it in top condition: ■ Protecting the vehicle interior Remove dirt and dust using a vacuum cleaner. Wipe dirty surfaces with a cloth dampened with lukewarm water. ■ Cleaning the leather areas ● Re ...

© 2011-2020 Copyright www.ttguide.net