Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Terminals Of Ecm

TERMINALS OF ECM

1. ECM

HINT:

HINT:

The standard voltage between each pair of ECM terminals is shown in the table below. In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to be inspected. The standard voltage between the terminals is shown under "Specified Condition".

Use the illustration above as a reference for the ECM terminals.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

E18-9 (SP2O) - E17-3 (E1)

L - W-B

Transmission revolution sensor (SP2) signal

Vehicle driving

Pulse generation

E18-10 (SP2B) - E17-3 (E1)

G - W-B

Power source for sensor (fixed voltage)

Ignition switch ON

11 to 14 V

E18-12 (SL) - E17-3 (E1)

R - W-B

Shift solenoid valve SL signal

All gears

11 to 14 V

E18-15 (NSW) - E17-3 (E1)

V - W-B

Park/neutral position switch signal

Ignition switch ON and shift lever in P or N

Below 1 V

Ignition switch ON and shift lever not in P or N

11 to 14 V

E19-2 (SLU+) - E19-1 (SLU-)

P - L

Shift solenoid valve SLU signal

2nd, 3rd, 4th, 5th or 6th gear (Flex lock-up on)

Pulse generation

E19-5 (SLT+) - E19-4 (SLT-)

LG - Y

Shift solenoid valve SLT signal

Engine idling

Pulse generation

E19-7 (SL2+) - E19-6 (SL2-)

GR - BE

Shift solenoid valve SL2 signal

4th, 5th or 6th gear

Pulse generation

E19-9 (SL1+) - E19-8 (SL1-)

R - V

Shift solenoid valve SL1 signal

1st, 2nd, 3rd or 4th gear

Pulse generation

E19-13 (SL4+) - E19-12 (SL4-)

SB - BE

Shift solenoid valve SL4 signal

3rd or 5th gear

Pulse generation

E19-16 (SL3+) - E19-15 (SL3-)

B - W

Shift solenoid valve SL3 signal

2nd or 6th gear

Pulse generation

E19-17 (SFTU) - E17-3 (E1)

SB - W-B

Up-shift position switch signal

Ignition switch ON and shift lever in S

11 to 14 V

Ignition switch ON and shift lever in "+" (Up-shift)

Below 1 V

E19-19 (NTO) - E17-3 (E1)

W - W-B

Transmission revolution sensor (NT) signal

Engine idling

Pulse generation

E19-20 (THO1) - E19-21 (ETHO)

P - V

No. 1 ATF temperature sensor signal

No. 1 ATF temperature: 115°C (239°F) or higher

Below 1.5 V

E19-22 (THO2) - E19-21 (ETHO)

L - V

No. 2 ATF temperature sensor signal

No. 2 ATF temperature: 115°C (239°F) or higher

Below 1.5 V

E19-24 (N) - E17-3 (E1)

G - W-B

N shift position switch signal

Ignition switch ON and shift lever in N

11 to 14 V

Ignition switch ON and shift lever not in N

Below 1 V

E19-25 (P) - E17-3 (E1)

GR - W-B

P shift position switch signal

Ignition switch ON and shift lever in P

11 to 14 V

Ignition switch ON and shift lever not in P

Below 1 V

E19-27 (SFTD) - E17-3 (E1)

R - W-B

Down-shift position switch signal

Ignition switch ON and shift lever in S

11 to 14 V

Ignition switch ON and shift lever in "-" (Down-shift)

Below 1 V

E19-29 (NTB) - E17-3 (E1)

Y - W-B

Power source for sensor (fixed voltage)

Ignition switch ON

11 to 14 V

E19-30 (S) - E17-3 (E1)

B - W-B

S shift position switch signal

Ignition switch ON and shift lever in S, "+" or "-"

11 to 14 V

Ignition switch ON and shift lever not in S, "+" or "-"

Below 1 V

E20-8 (R) - E17-3 (E1)

V - W-B

R shift position switch signal

Ignition switch ON and shift lever in R

11 to 14 V

Ignition switch ON and shift lever not in R

Below 1 V

E20-13 (CANH) - E17-3 (E1)

B - W-B

CAN communication line

Ignition switch ON

Pulse generation

E20-14 (CANL) - E17-3 (E1)

W - W-B

CAN communication line

Ignition switch ON

Pulse generation

E20-18 (D) - E17-3 (E1)

SB - W-B

D shift position switch signal

Ignition switch ON and shift lever in D, S, "+" or "-"

11 to 14 V

Ignition switch ON and shift lever not in D, S, "+" or "-"

Below 1 V

E21-14 (PWMS) - E17-3 (E1)

P - W-B

Pattern select switch signal

Ignition switch ON and pattern select switch pushed

Below 1 V

Ignition switch ON and pattern select switch not pushed

11 to 14 V

Dtc Check / Clear
DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing m ...

Check Mode Procedure
CHECK MODE PROCEDURE 1. DESCRIPTION (a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions that normal mode cannot detect. Check mode can also detect all the malfuncti ...

Other materials:

Installation
INSTALLATION 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. INSTALL SIDE AIRBAG SENSOR ASSEMBLY (a) Check that the ignition switch is OFF. (b) Check that the cable is disconnec ...

Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU) (P2759)
DESCRIPTION Refer to the system description for DTC P2757 (See page ). DTC No. DTC Detection Condition Trouble Area P2759 Open or short is detected in shift solenoid valve SLU circuit for 1 second or more while driving (1 trip dete ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL GENERATOR DRIVE END FRAME BEARING (a) Using SST and a press, press in a new generator drive end frame bearing. SST: 09950-60010 09951-00470 SST: 09950-70010 09951-07100 (b) Fit the ta ...

© 2011-2025 Copyright www.ttguide.net