| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VIA4 |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 08/2016] |
| Title: 2GR-FE (ENGINE CONTROL): SFI SYSTEM: TERMINALS OF ECM; 2016 MY Sienna [12/2015 - 08/2016] | ||
TERMINALS OF ECM
1. SFI SYSTEM
HINT:
The standard normal voltage between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated.
The result of checks should be compared with the standard normal voltage for that pair of terminals, displayed in the Specified Condition column.
The illustration above can be used as a reference to identify the ECM terminal locations.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
A39-3 (+B) - B1-81 (E1) |
B - BR |
Power source of ECM |
Ignition switch ON |
11 to 14 V |
|
A39-2 (+B2) - B1-81 (E1) |
B - BR |
Power source of ECM |
Ignition switch ON |
11 to 14 V |
|
A39-1 (BATT) - B1-81 (E1) |
V - BR |
Battery (for measuring the battery voltage and for the ECM memory) |
Always |
11 to 14 V |
|
B1-41 (+BM) - B1-81 (E1) |
L - BR |
Power source of electronic throttle control system throttle motor |
Always |
11 to 14 V |
|
A39-34 (MREL) - B1-81 (E1) |
B - BR |
EFI MAIN relay operation signal |
Ignition switch ON |
11 to 14 V |
|
B1-80 (VCTA) - B1-79 (ETA) |
Y - B |
Power source for throttle position sensor (specific voltage) |
Idling with warm engine |
4.5 to 5.5 V |
|
B1-67 (VCV1) - B1-81 (E1) |
W - BR |
Power source for VVT sensor (specific voltage) |
Idling with warm engine |
4.5 to 5.5 V |
|
B1-66 (VCV2) - B1-81 (E1) |
Y - BR |
Power source for VVT sensor (specific voltage) |
Idling with warm engine |
4.5 to 5.5 V |
|
A39-28 (IGSW) - B1-81 (E1) |
V - BR |
Ignition switch signal |
Ignition switch ON |
11 to 14 V |
|
A39-52 (FC) - B1-81 (E1) |
G - BR |
C/OPN relay operation signal (fuel pump control) |
Ignition switch ON |
11 to 14 V |
|
Idling with warm engine |
0 to 1.5 V |
|||
|
A39-36 (STP) - B1-81 (E1) |
L - BR |
Stop light switch assembly signal |
Brake pedal depressed |
7.5 to 14 V |
|
Brake pedal released |
0 to 1.5 V |
|||
|
A39-35 (ST-) - B1-81 (E1) |
LG - BR |
Stop light switch assembly signal (opposite to STP terminal) |
Ignition switch ON, brake pedal depressed |
0 to 1.5 V |
|
Ignition switch ON, brake pedal released |
7.5 to 14 V |
|||
|
A39-55 (VPA) - A39-58 (EPA) |
L - R |
Accelerator pedal position sensor signal (for engine control) |
Ignition switch ON, accelerator pedal fully released |
0.5 to 1.1 V |
|
Ignition switch ON, accelerator pedal fully depressed |
2.6 to 4.5 V |
|||
|
A39-56 (VPA2) - A39-60 (EPA2) |
W - LG |
Accelerator pedal position sensor signal (for sensor malfunction detection) |
Ignition switch ON, accelerator pedal fully released |
1.2 to 2.0 V |
|
Ignition switch ON, accelerator pedal fully depressed |
3.4 to 4.75 V |
|||
|
A39-30 (VPMP) - B1-81 (E1) |
W - BR |
Vent valve (built into canister pump module) |
Ignition switch ON |
11 to 14 V |
|
A39-49 (MPMP) - B1-81 (E1) |
G - BR |
Leak detection pump (built into canister pump module) |
Leak detection pump off |
0 to 3.0 V |
|
Leak detection pump on |
11 to 14 V |
|||
|
B1-121 (PPMP) - B1-81 (E1) |
W-L - BR |
Canister pressure sensor (built into canister pump module) |
Ignition switch ON |
3.0 to 3.6 V |
|
A39-16 (TC) - B1-81 (E1) |
P - BR |
Terminal TC of DLC3 |
Ignition switch ON |
11 to 14 V |
|
A39-57 (VCPA) - A39-58 (EPA) |
GR - R |
Power source of accelerator pedal position sensor (for VPA) |
Ignition switch ON |
4.5 to 5.5 V |
|
A39-59 (VCP2) - A39-60 (EPA2) |
B - LG |
Power source of accelerator pedal position sensor (for VPA2) |
Ignition switch ON |
4.5 to 5.5 V |
|
A39-15 (TACH) - B1-81 (E1) |
Y - BR |
Engine speed signal (for combination meter assembly) |
Idling with warm engine |
Pulse generation (See waveform 12) |
|
A39-13 (SPD) - B1-81 (E1) |
LG - BR |
Vehicle speed signal from combination meter assembly |
Driving at 12 mph (20 km/h) |
Pulse generation (See waveform 9) |
|
A39-24 (W) - B1-81 (E1) |
G - BR |
Malfunction Indicator Lamp (MIL) operation signal |
Ignition switch ON |
Below 3.0 V |
|
Idling with warm engine |
11 to 14 V |
|||
|
A39-10 (CANH) - B1-81 (E1) |
B - BR |
CAN communication line |
Engine stopped and ignition switch ON |
Pulse generation (See waveform 13) |
|
A39-11 (CANL) - B1-81 (E1) |
W - BR |
CAN communication line |
Engine stopped and ignition switch ON |
Pulse generation (See waveform 14) |
|
B1-81 (E1) - Body ground |
BR - Body ground |
Earth (ground) circuit of ECM |
Always |
Below 1 Ω |
|
B1-86 (#10) - B1-43 (E01) B1-109 (#20) - B1-43 (E01) B1-85 (#30) - B1-43 (E01) B1-108 (#40) - B1-43 (E01) B1-84 (#50) - B1-43 (E01) B1-107 (#60) - B1-43 (E01) |
L - W-B Y - W-B B - W-B W - W-B B-W - W-B G - W-B |
Fuel injector assembly operation signal |
Ignition switch ON |
11 to 14 V |
|
Idling with warm engine |
Pulse generation (See waveform 3) |
|||
|
A39-46 (STA) - B1-81 (E1) |
SB - BR |
Starter relay operation signal |
Cranking |
11 to 14 V |
|
B1-52 (OC2+) - B1-51 (OC2-) |
P - L |
Camshaft timing oil control valve assembly operation signal (for intake side) |
Idling |
Pulse generation (See waveform 1) |
|
B1-58 (OC1+) - B1-57 (OC1-) |
W - G-R |
Camshaft timing oil control valve assembly operation signal (for intake side) |
Idling |
Pulse generation (See waveform 1) |
|
B1-87 (VV2+) - B1-88 (VV2-) |
P - B |
VVT sensor signal (for intake side) |
Idling with warm engine |
Pulse generation (See waveform 6) |
|
B1-90 (VV1+) - B1-89 (VV1-) |
G - R |
VVT sensor signal (for intake side) |
Idling with warm engine |
Pulse generation (See waveform 6) |
|
B1-110 (NE+) - B1-111 (NE-) |
R - G |
Crankshaft position sensor signal |
Idling with warm engine |
Pulse generation (See waveform 5, 6) |
|
A39-7 (NEO)*1 - B1-81 (E1) |
G - BR |
Crankshaft position sensor signal |
Idling with warm engine |
Pulse generation (See waveform 16) |
|
B1-64 (EV2+) - B1-89 (VV1-) |
W-L - R |
VVT sensor signal (for exhaust side) |
Idling with warm engine |
Pulse generation (See waveform 5) |
|
B1-69 (EV1+) - B1-89 (VV1-) |
B - R |
VVT sensor signal (for exhaust side) |
Idling with warm engine |
Pulse generation (See waveform 5) |
|
B1-56 (OE1+) - B1-55 (OE1-) |
G - R |
Camshaft timing oil control valve assembly operation signal (for exhaust side) |
Idling |
Pulse generation (See waveform 1) |
|
B1-50 (OE2+) - B1-49 (OE2-) |
G-R - W |
Camshaft timing oil control valve assembly operation signal (for exhaust side) |
Idling |
Pulse generation (See waveform 1) |
|
B1-18 (M-) - B1-82 (ME01) |
W - W-B |
Throttle actuator operation signal (negative terminal) |
Idling with warm engine |
Pulse generation (See waveform 11) |
|
B1-19 (M+) - B1-82 (ME01) |
B - W-B |
Throttle actuator operation signal (positive terminal) |
Idling with warm engine |
Pulse generation (See waveform 10) |
|
B1-42 (E02) - Body ground |
W-B - Body ground |
Earth (ground) circuit of ECM |
Always |
Below 1 Ω |
|
B1-40 (IGT1) - B1-81 (E1) B1-39 (IGT2) - B1-81 (E1) B1-38 (IGT3) - B1-81 (E1) B1-37 (IGT4) - B1-81 (E1) B1-36 (IGT5) - B1-81 (E1) B1-35 (IGT6) - B1-81 (E1) |
L - BR P - BR R-B - BR L - BR Y - BR W-L - BR |
Ignition coil assembly (ignition signal) |
Idling with warm engine |
Pulse generation (See waveform 7) |
|
B1-17 (GE01) - B1-81 (E1) |
BR - BR |
Shielded earth (ground) circuit of throttle actuator |
Always |
Below 1 V |
|
B1-114 (OX1B) - B1-115 (EX1B) B1-112 (OX2B) - B1-113 (EX2B) |
W - R-B B - BR |
Heated oxygen sensor signal |
Engine speed is maintained at 2500 rpm for 2 minutes after warming up engine |
Pulse generation (See waveform 2) |
|
B1-77 (VTA2) - B1-79 (ETA) |
P - B |
Throttle position sensor signal (for sensor malfunction detection) |
Ignition switch ON, accelerator pedal fully released |
2.1 to 3.1 V |
|
Ignition switch ON, accelerator pedal fully depressed |
4.6 to 5.0 V |
|||
|
B1-78 (VTA1) - B1-79 (ETA) |
W - B |
Throttle position sensor signal (for engine control) |
Ignition switch ON, throttle valve fully closed |
0.5 to 1.1 V |
|
Ignition switch ON, throttle valve fully open |
3.2 to 4.8 V |
|||
|
B1-76 (THW) - B1-97 (ETHW) |
G - BR |
Engine coolant temperature sensor signal |
Idling, engine coolant temperature 60 to 120°C (140 to 248°F) |
0.2 to 1.0 V |
|
B1-73 (THA) - B1-98 (ETHA) |
L - W-B |
Intake air temperature sensor signal |
Idling, intake air temperature 0 to 80°C (32 to 176°F) |
0.5 to 3.4 V |
|
B1-104 (IGF1) - B1-81 (E1) |
LG - BR |
Ignition coil assembly (ignition confirmation signal) |
Ignition switch ON |
4.5 to 5.0 V |
|
Idling with warm engine |
Pulse generation (See waveform 7) |
|||
|
B1-61 (AICV) - B1-81 (E1) |
R - BR |
Vacuum switching valve for air intake control system operation signal |
Ignition switch ON |
11 to 14 V |
|
B1-74 (VG) - B1-75 (E2G) |
R - LG |
Mass air flow meter sub-assembly signal |
Idling, shift lever in P or N, A/C switch off |
0 to 3.0 V |
|
B1-62 (ACIS) - B1-81 (E1) |
Y - BR |
Intake air control valve for ACIS (Acoustic Control Induction System) operation signal |
Ignition switch ON |
11 to 14 V |
|
B1-63 (PRG) - B1-81 (E1) |
W-L - BR |
Purge VSV for EVAP system operation signal |
Ignition switch ON |
11 to 14 V |
|
Idling with warm engine, under purge control |
Pulse generation (See waveform 8) |
|||
|
B1-20 (HA2A) - B1-21 (E05) |
R - BR |
Air fuel ratio sensor heater operation signal |
Idling |
Pulse generation (See waveform 15) |
|
Ignition switch ON |
11 to 14 V |
|||
|
B1-22 (HA1A) - B1-23 (E04) |
B-W - W-B |
Air fuel ratio sensor heater operation signal |
Idling |
Pulse generation (See waveform 15) |
|
Ignition switch ON |
11 to 14 V |
|||
|
B1-44 (HT2B) - B1-46 (E03) |
W-L - W-B |
Heated oxygen sensor heater operation signal |
Idling |
Below 3.0 V |
|
Ignition switch ON |
11 to 14 V |
|||
|
B1-45 (HT1B) - B1-46 (E03) |
R - W-B |
Heated oxygen sensor heater operation signal |
Idling |
Below 3.0 V |
|
Ignition switch ON |
11 to 14 V |
|||
|
B1-83 (ACM) - B1-81 (E1) |
P - BR |
Duty vacuum switching valve for active control engine mount system operation signal |
Ignition switch ON |
11 to 14 V |
|
B1-120 (NSW) - B1-81 (E1) |
G-R - BR |
Park/Neutral position switch signal |
Ignition switch ON, shift lever in P or N |
Below 3.0 V |
|
Ignition switch ON, shift lever in any position other than P or N |
11 to 14 V |
|||
|
B1-117 (KNK2) - B1-116 (EKN2) |
R - G |
Knock sensor signal |
Engine speed maintained at 4000 rpm after warming up engine |
Pulse generation (See waveform 4) |
|
B1-94 (KNK1) - B1-93 (EKNK) |
B - W |
Knock sensor signal |
Engine speed maintained at 4000 rpm after warming up engine |
Pulse generation (See waveform 4) |
|
B1-126 (A1A+) - B1-81 (E1) |
BR - BR |
Air fuel ratio sensor |
Ignition switch ON |
3.3 V*2 |
|
B1-125 (A1A-) - B1-81 (E1) |
Y - BR |
Air fuel ratio sensor |
Ignition switch ON |
2.9 V*2 |
|
B1-103 (A2A+) - B1-81 (E1) |
P - BR |
Air fuel ratio sensor |
Ignition switch ON |
3.3 V*2 |
|
B1-102 (A2A-) - B1-81 (E1) |
L - BR |
Air fuel ratio sensor |
Ignition switch ON |
2.9 V*2 |
|
B1-2 (P) - B1-81 (E1) |
B-W - BR |
P shift position switch signal |
Ignition switch ON and shift lever in P |
11 to 14 V |
|
Ignition switch ON and shift lever in any position other than P |
0 to 1.5 V |
|||
|
B1-26 (R) - B1-81 (E1) |
R-B - BR |
R shift position switch signal |
Ignition switch ON and shift lever in R |
11 to 14 V |
|
Ignition switch ON and shift lever in any position other than R |
0 to 1.5 V |
|||
|
B1-25 (N) - B1-81 (E1) |
LG - BR |
N shift position switch signal |
Ignition switch ON and shift lever in N |
11 to 14 V |
|
Ignition switch ON and shift lever in any position other than N |
0 to 1.5 V |
|||
|
B1-27 (D) - B1-81 (E1) |
Y - BR |
D shift position switch signal |
Ignition switch ON and shift lever in D |
11 to 14 V |
|
Ignition switch ON and shift lever in any position other than D |
0 to 1.5 V |
|||
|
A39-25 (S) - B1-81 (E1) |
W - BR |
S shift position switch signal |
Ignition switch ON and shift lever in S |
11 to 14 V |
|
Ignition switch ON and shift lever in any position other than S |
0 to 1.5 V |
|||
|
A39-27 (SFTD) - B1-81 (E1) |
V - BR |
Down shift switch signal |
Ignition switch ON and shift lever in S |
11 to 14 V |
|
Ignition switch ON and shift lever in S, the "-" range (down shift) selected |
0 to 1.5 V |
|||
|
A39-38 (SFTU) - B1-81 (E1) |
L - BR |
Up shift switch signal |
Ignition switch ON and shift lever in S |
11 to 14 V |
|
Ignition switch ON and shift lever in S, the "+" range (up shift) selected |
0 to 1.5 V |
|||
|
A39-48 (FPR) - B1-81 (E1) |
L - BR |
Fuel pump control |
Cranking |
11 to 14 V |
|
Idling |
11 to 14 V |
|||
|
B1-24 (CAN+) - B1-81 (E1) |
L - BR |
CAN communication line |
Engine stopped and ignition switch ON |
Pulse generation (See waveform 13) |
|
B1-1 (CAN-) - B1-81 (E1) |
R - BR |
CAN communication line |
Engine stopped and ignition switch ON |
Pulse generation (See waveform 14) |
|
A39-8 (CANP)*1 - B1-81 (E1) |
R - BR |
CAN communication line |
Engine stopped and ignition switch ON |
Pulse generation (See waveform 13) |
|
A39-9 (CANN)*1 - B1-81 (E1) |
W - BR |
CAN communication line |
Engine stopped and ignition switch ON |
Pulse generation (See waveform 14) |
|
A39-33 (ELS2) - Body ground |
V - Body ground |
Idle up signal |
Ignition switch ON, and appliance 50 W or more |
6.0 V or more |
*1: w/ Smart Key System
*2: The ECM terminal voltage is constant regardless of the output voltage from the sensor.
(a) WAVEFORM 1
(1) Camshaft timing oil control valve assembly operation signal
|
ECM Terminal Name |
Between OC1+ and OC1-, OC2+ and OC2-, OE1+ and OE1-, or OE2+ and OE2- |
|
Tester Range |
5 V/DIV., 1 ms./DIV. |
|
Condition |
Idling |
HINT:
The wavelength becomes shorter as the engine speed increases.
(b) WAVEFORM 2
(1) Heated oxygen sensor signal
|
ECM Terminal Name |
Between OX1B and EX1B, or OX2B and EX2B |
|
Tester Range |
200 mV/DIV., 200 ms./DIV. |
|
Condition |
Engine speed is maintained at 2500 rpm for 2 minutes after warming up engine |
HINT:
In the Data List, item O2S B1S2 and O2S B2S2 shows the ECM values from the heated oxygen sensor.
(c) WAVEFORM 3
(1) Fuel injector assembly operation signal
|
ECM Terminal Name |
Between #10 (to #60) and E01 |
|
Tester Range |
30 V/DIV., 20 ms./DIV. |
|
Condition |
Idling with warm engine |
HINT:
The wavelength becomes shorter as the engine speed increases.
(d) WAVEFORM 4
(1) Knock sensor signal
|
ECM Terminal Name |
Between KNK1 and EKNK, or KNK2 and EKN2 |
|
Tester Range |
1 V/DIV., 1 ms./DIV. |
|
Condition |
Engine speed maintained at 4000 rpm after warming up engine |
HINT:
- The wavelength becomes shorter as the engine speed increases.
- The waveforms and amplitudes displayed differ slightly depending on the vehicle.
(e) WAVEFORM 5
(1) VVT sensor (for exhaust side) signal (A)
(2) Crankshaft position sensor signal (B)
|
ECM Terminal Name |
(A) EV1+ and VV1-, or EV2+ and VV1- (B) Between NE+ and NE- |
|
Tester Range |
5 V/DIV., 20 ms./DIV. |
|
Condition |
Idling with warm engine |
HINT:
The wavelength becomes shorter as the engine speed increases.
(f) WAVEFORM 6
(1) VVT sensor (for intake side) signal (A)
(2) Crankshaft position sensor signal (B)
|
ECM Terminal Name |
(A) Between VV1+ and VV1-, VV2+ and VV2- (B) Between NE+ and NE- |
|
Tester Range |
5 V/DIV., 20 ms./DIV. |
|
Condition |
Idling with warm engine |
HINT:
The wavelength becomes shorter as the engine speed increases.
(g) WAVEFORM 7
(1) Igniter IGT signal (from ECM to igniter) and igniter IGF signal (from igniter to ECM)
|
ECM Terminal Name |
(1) Between IGT (1 to 6) and E1 (2) Between IGF1 and E1 |
|
Tester Range |
2 V/DIV., 20 ms./DIV. |
|
Condition |
Idling with warm engine |
HINT:
The wavelength becomes shorter as the engine speed increases.
(h) WAVEFORM 8
(1) Purge VSV for EVAP system operation signal
|
ECM Terminal Name |
Between PRG and E1 |
|
Tester Range |
10 V/DIV., 20 ms./DIV. |
|
Condition |
Idling with warm engine, under purge control |
HINT:
If the waveform is not similar to that shown in the illustration, check the waveform again after idling for 10 minutes or more.
(i) WAVEFORM 9
(1) Vehicle speed signal
|
ECM Terminal Name |
Between SPD and E1 |
|
Tester Range |
2 V/DIV., 20 ms./DIV. |
|
Condition |
Driving at 20 km/h (12 mph) |
HINT:
- The wavelength becomes shorter as the vehicle speed increases.
- Depending on the vehicle, the output waveform voltage may rise to 12 V if influenced by optionally installed systems.
(j) WAVEFORM 10
(1) Throttle actuator operation signal (positive terminal)
|
ECM Terminal Name |
Between M+ and ME01 |
|
Tester Range |
5 V/DIV., 1 ms./DIV. |
|
Condition |
Idling with warm engine |
HINT:
The duty ratio varies depending on the throttle actuator operation.
(k) WAVEFORM 11
(1) Throttle actuator operation signal (negative terminal)
|
ECM Terminal Name |
Between M- and ME01 |
|
Tester Range |
5 V/DIV., 1 ms./DIV. |
|
Condition |
Idling with warm engine |
HINT:
The duty ratio varies depending on the throttle actuator operation.
(l) WAVEFORM 12
(1) Engine speed signal
|
ECM Terminal Name |
Between TACH and E1 |
|
Tester Range |
5 V/DIV., 10 ms./DIV. |
|
Condition |
Idling with warm engine |
HINT:
The wavelength becomes shorter as the engine speed increases.
(m) WAVEFORM 13 (Reference)
(1) CAN communication signal
|
ECM Terminal Name |
Between CANH and E1, CAN+ and E1 or CANP and E1 |
|
Tester Range |
1 V/DIV., 10 μs./DIV. |
|
Condition |
Engine stopped and ignition switch ON |
HINT:
The waveform varies depending on the CAN communication signal.
(n) WAVEFORM 14 (Reference)
(1) CAN communication signal
|
ECM Terminal Name |
Between CANL and E1, CAN- and E1 or CANN and E1 |
|
Tester Range |
1 V/DIV., 10 μs./DIV. |
|
Condition |
Engine stopped and ignition switch ON |
HINT:
The waveform varies depending on the CAN communication signal.
(o) WAVEFORM 15
(1) Air fuel ratio sensor heater operation signal
|
ECM Terminal Name |
Between HA1A and E04 or HA2A and E05 |
|
Tester Range |
5 V/DIV., 10 ms./DIV. |
|
Condition |
Idling |
HINT:
The wavelength becomes shorter as the engine speed increases.
(p) WAVEFORM 16
(1) Crankshaft position sensor signal
|
ECM Terminal Name |
Between NEO and E1 |
|
Tester Range |
5 V/DIV., 2 ms./DIV. |
|
Condition |
Idling with warm engine |
HINT:
The wavelength becomes shorter as the engine speed increases.
|
|