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
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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
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Connecting Bluetooth®
The following can be performed using Bluetooth® wireless communication: ■ A portable audio player can be operated and listened to via multimedia system ■ Hands-free phone calls can be made via a cellular phone In order to use wireless communication, register and connect a Bluetooth ...

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 symptom are listed in order of probability in the "Suspected Area" column of the table. Check each sym ...

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