Toyota Tacoma (2015-2018) Service Manual: Terminals Of Ecu
TERMINALS OF ECU
1. ECM
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
E14-20 (TC) - E11-1 (E1) |
G - W-B |
DTC output signal |
Ignition switch ON |
11 to 14 V |
|
E14-20 (TC) - E11-1 (E1) |
G - W-B |
DTC output signal |
Ignition switch ON Connect terminals TC and CG of DLC3 |
Below 2 V |
|
E13-15 (ST1-) - E11-1 (E1) |
V - W-B |
Cruise cancel input signal |
Ignition switch ON Depress Brake pedal |
Below 1 V |
|
E13-15 (ST1-) - E11-1 (E1) |
V - W-B |
Cruise cancel input signal |
Ignition switch ON Release brake pedal |
11 to 14 V |
|
E13-16 (STP) - E11-1 (E1) |
P - W-B |
Stop light switch input signal |
Depress brake pedal |
11 to 14 V |
|
E13-16 (STP) - E11-1 (E1) |
P - W-B |
Stop light switch input signal |
Release brake pedal |
Below 1 V |
|
E13-17 (CCS) - E11-1 (E1) |
B - W-B |
Cruise control main switch output signal |
Ignition switch ON |
11 to 14 V |
|
E13-17 (CCS) - E11-1 (E1) |
B - W-B |
Cruise control main switch output signal |
Ignition switch ON CANCEL switch ON |
6.6 to 10.1 V |
|
E13-17 (CCS) - E11-1 (E1) |
B - W-B |
Cruise control main switch output signal |
Ignition switch ON -(COAST)/SET switch ON |
4.5 to 7.1 V |
|
E13-17 (CCS) - E11-1 (E1) |
B - W-B |
Cruise control main switch output signal |
Ignition switch ON +(ACCEL)/RES switch ON |
2.3 to 4 V |
|
E13-17 (CCS) - E11-1 (E1) |
B - W-B |
Cruise control main switch output signal |
Ignition switch ON MAIN switch ON |
Below 1 V |
|
E11-1 (E1) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 V |
|
E12-27 (D) - E11-1 (E1)*1 |
R - W-B |
Park/neutral position switch signal |
Ignition switch ON, shift lever D or 3 positions |
11 to 14 V |
|
E12-27 (D) - E11-1 (E1)*1 |
R - W-B |
Park/neutral position switch signal |
Ignition switch ON, shift lever other than D and 3 positions |
Below 1 V |
|
E12-27 (D) - E11-1 (E1)*2 |
R - W-B |
Clutch switch input signal |
Ignition switch ON Depress clutch pedal |
Below 1 V |
|
E12-27 (D) - E11-1 (E1)*2 |
R - W-B |
Clutch switch input signal |
Ignition switch ON Release clutch pedal |
11 to 14 V |
- *1: for Automatic Transmission
- *2: for Manual Transmission
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECM stores DTCs (Diagnostic Trouble Codes) when trouble occurs on the vehicle.
The diagnosis system allows reading of DTCs stored in the ECM when a the Techstre ...
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:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS
Click here
(a) Confirm problem s ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when deciding whether a part
is faulty or not.
HINT:
Using the Techstream to read the Data List allows t ...
Torque Converter Clutch Circuit Short to Ground (P074011)
DESCRIPTION
Shift solenoid valve SL is turned on and off by signals from the ECM to control
the hydraulic pressure acting on the lock-up relay valve, which then controls operation
of the lock-up clutch.
DTC No.
DTC Detection Condition
Trouble Area
SA ...
