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 |
---|---|---|---|---|
E10-26 (THO1) - E9-23 (ETHW) |
P - BR |
No. 1 ATF temperature sensor signal |
No. 1 ATF temperature: 115°C (239°F) or higher |
Below 1.5 V |
E10-34 (THO2) - E9-23 (ETHW) |
L - BR |
No. 2 ATF temperature sensor signal |
No. 2 ATF temperature: 115°C (239°F) or higher |
Below 1.5 V |
E11-9 (SL1+) - E11-8 (SL1-) |
R - V |
Shift solenoid valve SL1 signal |
1st, 2nd, 3rd or 4th gear |
Pulse generation |
E11-11 (SLU+) - E11-10 (SLU-) |
P - L |
Shift solenoid valve SLU signal |
2nd, 3rd, 4th, 5th or 6th gear (Flex lock-up on) |
Pulse generation |
E11-13 (SLT+) - E11-12 (SLT-) |
LG - Y |
Shift solenoid valve SLT signal |
Engine idling |
Pulse generation |
E12-8 (SL4+) - E12-7 (SL4-) |
SB - BE |
Shift solenoid valve SL4 signal |
3rd or 5th gear |
Pulse generation |
E12-14 (SL3+) - E12-13 (SL3-) |
B - W |
Shift solenoid valve SL3 signal |
2nd or 6th gear |
Pulse generation |
E12-15 (SL) - E11-1 (E1) |
R - W-B |
Shift solenoid valve SL signal |
All gears |
11 to 14 V |
E12-17 (R) - E11-1 (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 |
|||
E12-18 (P) - E11-1 (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 |
|||
E12-20 (SL2+) - E12-19 (SL2-) |
GR - BE |
Shift solenoid valve SL2 signal |
4th, 5th or 6th gear |
Pulse generation |
E12-26 (SP2B) - E11-1 (E1) |
G - W-B |
Power source for sensor (fixed voltage) |
Ignition switch ON |
11 to 14 V |
E12-27 (D) - E11-1 (E1) |
R - 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 |
|||
E12-28 (N) - E11-1 (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 |
|||
E12-31 (NTO) - E11-1 (E1) |
W - W-B |
Transmission revolution sensor (NT) signal |
Engine idling |
Pulse generation |
E12-32 (NTB) - E11-1 (E1) |
Y - W-B |
Power source for sensor (fixed voltage) |
Ignition switch ON |
11 to 14 V |
E12-33 (SP2O) - E11-1 (E1) |
L - W-B |
Transmission revolution sensor (SP2) signal |
Vehicle driving |
Pulse generation |
E13-7 (SFTD) - E11-1 (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 |
|||
E13-8 (SFTU) - E11-1 (E1) |
G - 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 |
|||
E13-12 (STA) - E11-1 (E1) |
Y - W-B |
Starter assembly signal |
Cranking |
6 V or higher |
E13-13 (NSW) - E11-1 (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 |
|||
E13-16 (STP) - E11-1 (E1) |
P - W-B |
Stop light switch assembly signal |
Brake pedal depressed |
7.5 to 14 V |
Brake pedal released |
0 to 1.5 V |
|||
E13-24 (SPD) - E11-1 (E1) |
R - W-B |
Vehicle speed signal |
Vehicle being driven |
Pulse generation |
E13-27 (CANH) - E11-1 (E1) |
B - W-B |
CAN communication line |
Ignition switch ON |
Pulse generation |
E13-28 (PWMS) - E11-1 (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 |
|||
E13-32 (S) - E11-1 (E1) |
P - 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 |
|||
E13-35 (CANL) - E11-1 (E1) |
W - W-B |
CAN communication line |
Ignition switch ON |
Pulse generation |
E14-2 (BATT) - E11-1 (E1) |
L - W-B |
Battery (for measuring battery voltage and for ECM memory) |
Always |
11 to 14 V |
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE HOOD BULGE ASSEMBLY (w/ Hood Bulge)
(a) Remove the 4 nuts.
(b) Disengage the clip from back side of the hood panel to remove the hood bulge
assembly together with the air intake guide.
2. REMOVE NO. 2 HOOD BU ...
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
).
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the negative (-) battery terminal. Therefore, make sure to read the
...