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:
Removal
REMOVAL
CAUTION / NOTICE / HINT
CAUTION:
Some of these service operations affect the SRS. Read the precautionary notices
concerning the SRS before servicing.
Click here
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnectin ...
Stop Light Relay Circuit (C1A4B)
DESCRIPTION
The skid control ECU (master cylinder solenoid)*1 or skid control ECU (brake
actuator assembly)*2 sends a stop light operation request signal to the stop light
relay (stop light switch assembly). If the skid control ECU (master cylinder solenoid)*1
or skid control ECU (brake actua ...
Lock Switch Circuit
WIRING DIAGRAM
PROCEDURE
1.
CHECK REAR DIFFERENTIAL LOCK INDICATOR LIGHT
(a) Turn the ignition switch to ON.
(b) for 4WD:
Finish switching to L4.
(c) Check the rear differential lock indicator light.
(d) Press the differential lock switch.
(e) After 60 secon ...
