TERMINALS OF ECM
1. ECM
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 |
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 listed in order
of probability in the "Suspected Area" column of the table. Check each symptom by
check ...
Open or Short in Front Speed Sensor RH Circuit (C1405,C1406)
DESCRIPTION
Refer to DTCs C1401 and C1402 (See page ).
DTC Code
DTC Detection Condition
Trouble Area
C1405
C1406
Either condition is met:
An open in the speed sensor signal circuit continues for 0.5
seconds or mor ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
Text in Illustration
*a
Object Exceeding Weight Limit of Transmission Jack
Be sure to perform this procedure with several people as the rear differential
carrier assembly is very heavy.
Be sure to follow the procedure ...