Toyota Tacoma 2015-2018 Service Manual: Terminals Of Ecu
TERMINALS OF ECU
1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the A36 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
A36-17 (B) - Body ground |
LG - Body ground |
Air conditioning amplifier power supply |
Always |
11 to 14 V |
|
A36-1 (IG+) - Body ground |
GR - Body ground |
Air conditioning amplifier power supply |
Ignition switch ON |
11 to 14 V |
|
A36-10 (GND) - Body ground |
W-B - Body ground |
Air conditioning amplifier ground |
Always |
Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the A36 air conditioning amplifier assembly connector.
(d) Measure the voltage and resistance according to the value(s) in the table below.
(e) Check for pulse generation according to the value(s) in the table below.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
A35-24 (SHP+) - Body ground |
SB - Body ground |
Seat heater (for Front Passenger Side) drive signal |
|
Below 1 V |
|
A35-23 (SHD+) - Body ground |
R - Body ground |
Seat heater (for Driver Side) drive signal |
|
Below 1 V |
|
A36-11 (LIN1) - Body ground |
SB - Body ground |
Seat heater switch signal |
Ignition switch ON |
Pulse generation |
|
A36-31 (TSR) - A35-15 (SG-2) |
BE - P |
Seat heater sensor (for Front Passenger Side) input signal |
Ignition switch off (25°C [77°F]) |
10 kΩ |
|
A36-32 (TSL) - A35-15 (SG-2) |
V - P |
Seat heater sensor (for Driver Side) input signal |
Ignition switch off (25°C [77°F]) |
10 kΩ |
2. CHECK AIR CONDITIONING CONTROL ASSEMBLY
(a) Check the air conditioning control assembly (See page
.gif)
).
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any p ...
Other materials:
Side Turn Signal Light Assembly
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE
1. REMOVE OUTER REAR VIEW MIRROR ASSEMBLY
(See page )
2. REMOVE OUTER ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT CONSOLE BOX
(See page )
2. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY
(a) Move the shift lever to N.
(b) Disconnect the end of the transmission control cable assembly from the transmission
floor shift assembly.
Text in Illustration
...
Front Camera Module Circuit (C1AA0)
DESCRIPTION
The millimeter wave radar sensor assembly receives information about the area
in front of the vehicle from the forward recognition camera.
If the millimeter wave radar sensor assembly detects a malfunction in the forward
recognition camera, it will store DTC C1AA0.
DTC ...