Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000YSOP
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 - 11/2017]
Title: 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: TERMINALS OF ECM; 2017 MY Sienna [08/2016 - 11/2017]

TERMINALS OF ECM

HINT:

The standard voltage, resistance and waveform between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals is also indicated. The result of checks should be compared with the standard voltage, resistance and waveform for each pair of the terminals as 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

A69-1 (BATT) - B67-53 (E1)

L - BR

Battery (for measuring battery voltage and for ECM memory)

Always

11 to 14 V

A69-2 (+B) - B67-53 (E1)

L - BR

Power source of ECM

Ignition switch ON

11 to 14 V

A69-3 (+B2) - B67-53 (E1)

L - BR

Power source of ECM

Ignition switch ON

11 to 14 V

A69-4 (IGSW) - B67-53 (E1)

V - BR

Ignition switch

Ignition switch ON

11 to 14 V

A69-7 (IREL) - B67-53 (E1)

G - BR

INJ relay operation signal

Engine stopped, Ignition switch ON

0 to 1.5 V

A69-8 (+BM) - B67-53 (E1)

LG - BR

Power source of throttle actuator

Always

11 to 14 V

A69-13 (CANH) - B67-53 (E1)

B - BR

CAN communication line

Engine stopped, Ignition switch ON

Pulse generation

(See waveform 1)

A69-14 (EC) - Body ground

W-B - -

Ground

Always

Below 1 Ω

A69-17 (S) - B67-53 (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 not in S

Below 1 V

A69-18 (FPC) - B67-53 (E1)

L - BR

Fuel pump control

Engine stopped, Ignition switch ON

Below 1.5 V

A69-19 (VPMP) - B67-53 (E1)

V - BR

Vent valve (built into canister pump module)

Ignition switch ON

11 to 14 V

A69-21 (MPMP) - B67-53 (E1)

LG - BR

Leak detection pump (built into canister pump module)

Leak detection pump OFF

Below 3 V

Leak detection pump ON

11 to 14 V

A69-26 (CANL) - B67-53 (E1)

W - BR

CAN communication line

Engine stopped, Ignition switch ON

Pulse generation

(See waveform 2)

A69-27 (STP) - B67-53 (E1)

L - BR

Stop light switch assembly signal

Brake pedal depressed

7.5 to 14 V

Brake pedal released

Below 1.5 V

A69-30 (NEO) - B67-53 (E1)

G - BR

Engine speed signal sent to other ECUs

Idling with warm engine

Pulse generation

(See waveform 3)

A69-31 (TACH) - B67-53 (E1)

Y - BR

Engine speed signal

Idling with warm engine

Pulse generation

(See waveform 4)

A69-33 (TC) - B67-53 (E1)

P - BR

Terminal TC of DLC3

Engine stopped, Ignition switch ON

11 to 14 V

A69-35 (VCPP) - A69-34 (EPPM)

W - P

Power source for canister pressure sensor (specific voltage)

Ignition switch ON

4.5 to 5.5 V

A69-36 (PPMP) - A69-34 (EPPM)

B - P

Canister pressure sensor (built into canister pump module)

Ignition switch ON

3.0 to 3.6 V

A69-39 (SPD) - B67-53 (E1)

LG - BR

Vehicle speed signal from combination meter assembly

Driving at 20 km/h (12 mph)

Pulse generation

(See waveform 5)

A69-42 (ST1-) - B67-53 (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

A69-43 (STA) - B67-53 (E1)

SB - BR

Starter assembly signal

Cranking

6.0 V or higher

A69-46 (MREL) - B67-53 (E1)

Y - BR

EFI MAIN relay operation signal

Ignition switch ON

11 to 14 V

A69-47 (VPA) - A69-48 (EPA)

BE - 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

A69-49 (VCPA) - A69-48 (EPA)

L - R

Power source of accelerator pedal position sensor (for VPA)

Engine stopped, Ignition switch ON

4.5 to 5.5 V

A69-50 (VPA2) - A69-51 (EPA2)

GR - B

Accelerator pedal position sensor signal

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

A69-52 (VCP2) - A69-51 (EPA2)

W - B

Power source of accelerator pedal position sensor (for VPA2)

Engine stopped, Ignition switch ON

4.5 to 5.5 V

A69-58 (KSW) - B67-53 (E1)

BE*2 - BR

R*3 - BR

Key in vehicle signal

Ignition switch off → ON

0 to 3.0 V

B67-2 (OE2+) - B67-3 (OE2-)

R - W

Cam timing oil control solenoid assembly (for exhaust camshaft of bank 2) operation signal

Idling

Pulse generation

(See waveform 6)

B67-4 (OE1+) - B67-5 (OE1-)

G - R

Cam timing oil control solenoid assembly (for exhaust camshaft of bank 1) operation signal

Idling

Pulse generation

(See waveform 6)

B67-9 (OC2+) - B67-8 (OC2-)

B - L

Cam timing oil control solenoid assembly (for intake camshaft of bank 2) operation signal

Idling

Pulse generation

(See waveform 7)

B67-16 (HT2B) - B67-53 (E1)

L - BR

Heated oxygen sensor (bank 2 sensor 2) heater operation signal

Idling

Below 3.0 V

Ignition switch ON

11 to 14 V

B67-17 (HA2A) - B67-46 (E05)

R - W-B

Air fuel ratio sensor (bank 2 sensor 1) heater operation signal

Idling

Pulse generation

(See waveform 8)

Ignition switch ON

11 to 14 V

B67-18 (+BD2) - B67-53 (E1)

L - BR

Power source of ECM (injector driver)

Engine stopped, Ignition switch ON

11 to 14 V

B67-19 (+BD1) - B67-53 (E1)

Y - BR

Power source of ECM (injector driver)

Engine stopped, Ignition switch ON

11 to 14 V

B67-20 (E02) - Body ground

W-B - -

Ground

Always

Below 1 Ω

B67-21 (E04) - Body ground

W-B - -

Ground

Always

Below 1 Ω

B67-23 (FP1+) - B67-22 (FP1-)

Y - L

Fuel pump assembly (for high pressure side) signal

Idling with warm engine

Pulse generation

B67-24 (#6D+) - B67-54 (#6D-)

G - BR

No. 6 fuel injector assembly (for direct injection) signal

Idling with warm engine, Data List item "Injection Mode" displays "Direct"

Pulse generation

B67-25 (#3D+) - B67-26 (#3D-)

V - P

No. 3 fuel injector assembly (for direct injection) signal

Idling with warm engine, Data List item "Injection Mode" displays "Direct"

Pulse generation

B67-27 (#5D+) - B67-57 (#5D-)

L - Y

No. 5 fuel injector assembly (for direct injection) signal

Idling with warm engine, Data List item "Injection Mode" displays "Direct"

Pulse generation

B67-28 (#2D+) - B67-58 (#2D-)

G - BR

No. 2 fuel injector assembly (for direct injection) signal

Idling with warm engine, Data List item "Injection Mode" displays "Direct"

Pulse generation

B67-29 (#4D+) - B67-59 (#4D-)

V - P

No. 4 fuel injector assembly (for direct injection) signal

Idling with warm engine, Data List item "Injection Mode" displays "Direct"

Pulse generation

B67-30 (#1D+) - B67-60 (#1D-)

B - W

No. 1 fuel injector assembly (for direct injection) signal

Idling with warm engine, Data List item "Injection Mode" displays "Direct"

Pulse generation

B67-34 (IGT6) - B67-53 (E1)

V - BR

No. 6 ignition coil assembly signal (ignition signal)

Idling with warm engine

Pulse generation

(See waveform 9)

B67-35 (IGT4) - B67-53 (E1)

B - BR

No. 4 ignition coil assembly signal (ignition signal)

Idling with warm engine

Pulse generation

(See waveform 9)

B67-36 (IGT2) - B67-53 (E1)

GR - BR

No. 2 ignition coil assembly signal (ignition signal)

Idling with warm engine

Pulse generation

(See waveform 9)

B67-38 (OC1+) - B67-68 (OC1-)

W - G

Cam timing oil control solenoid assembly (for intake camshaft of bank 1) operation signal

Idling

Pulse generation

(See waveform 7)

B67-39 (ACM) - B67-53 (E1)

GR - BR

Duty vacuum switching valve operation signal

Ignition switch ON

11 to 14 V

B67-40 (#60) - B67-51 (E01)

G - W-B

No. 6 fuel injector assembly (for port injection) signal

Ignition switch ON

0 to 5 V

Idling with warm engine, Data List item "Injection Mode" displaying "Port"

Pulse generation

(See waveform 10)

B67-41 (#30) - B67-51 (E01)

B - W-B

No. 3 fuel injector assembly (for port injection) signal

Ignition switch ON

0 to 5 V

Idling with warm engine, Data List item "Injection Mode" displaying "Port"

Pulse generation

(See waveform 10)

B67-42 (#50) - B67-51 (E01)

R - W-B

No. 5 fuel injector assembly (for port injection) signal

Ignition switch ON

0 to 5 V

Idling with warm engine, Data List item "Injection Mode" displaying "Port"

Pulse generation

(See waveform 10)

B67-43 (#20) - B67-51 (E01)

BE - W-B

No. 2 fuel injector assembly (for port injection) signal

Ignition switch ON

0 to 5 V

Idling with warm engine, Data List item "Injection Mode" displaying "Port"

Pulse generation

(See waveform 10)

B67-44 (#40) - B67-51 (E01)

W - W-B

No. 4 fuel injector assembly (for port injection) signal

Ignition switch ON

0 to 5 V

Idling with warm engine, Data List item "Injection Mode" displaying "Port"

Pulse generation

(See waveform 10)

B67-45 (#10) - B67-51 (E01)

GR - W-B

No. 1 fuel injector assembly (for port injection) signal

Ignition switch ON

0 to 5 V

Idling with warm engine, Data List item "Injection Mode" displaying "Port"

Pulse generation

(See waveform 10)

B67-46 (E05) - Body ground

W-B - -

Ground

Always

Below 1 Ω

B67-47 (M-) - B67-49 (ME01)

P - W-B

Throttle actuator operation signal (negative signal)

Idling with warm engine

Pulse generation

(See waveform 11)

B67-48 (M+) - B67-49 (ME01)

V - W-B

Throttle actuator operation signal (positive terminal)

Idling with warm engine

Pulse generation

(See waveform 12)

B67-49 (ME01) - Body ground

W-B - -

Ground

Always

Below 1 Ω

B67-50 (HT1B) - B67-53 (E1)

L - BR

Heated oxygen sensor (bank 1 sensor 2) heater operation signal

Idling

Below 3.0 V

Ignition switch ON

11 to 14 V

B67-51 (E01) - Body ground

W-B - -

Ground

Always

Below 1 Ω

B67-52 (HA1A) - B67-21 (E04)

B - W-B

Air fuel ratio sensor (bank 1 sensor 1) heater operation signal

Idling

Pulse generation

(See waveform 8)

Ignition switch ON

11 to 14 V

B67-53 (E1) - Body ground

BR - -

Ground

Always

Below 1 Ω

B67-55 (E1D2) - Body ground

B - -

Ground

Always

Below 1 Ω

B67-56 (E1D1) - Body ground

W - -

Ground

Always

Below 1 Ω

B67-64 (PTCR) - B67-53 (E1)

L - BR

Thermostat heater operation signal

Ignition switch ON

11 to 14 V

B67-65 (PRG) - B67-53 (E1)

R - BR

Purge VSV operation signal

Ignition switch ON

11 to 14 V

Idling

Pulse generation

(See waveform 13)

B67-66 (ACIS) - B67-53 (E1)

L - BR

No. 1 vacuum switching valve (for intake air control valve sub-assembly) operation signal

Ignition switch ON

11 to 14 V

B67-69 (IGT5) - B67-53 (E1)

R - BR

No. 5 ignition coil assembly signal (ignition signal)

Idling with warm engine

Pulse generation

(See waveform 9)

B67-70 (IGT3) - B67-53 (E1)

L - BR

No. 3 ignition coil assembly signal (ignition signal)

Idling with warm engine

Pulse generation

(See waveform 9)

B67-71 (IGT1) - B67-53 (E1)

GR - BR

No. 1 ignition coil assembly signal (ignition signal)

Idling with warm engine

Pulse generation

(See waveform 9)

B67-80 (IGF2) - B67-53 (E1)

LG - BR

Ignition coil assembly (ignition confirmation signal)

Ignition switch ON

4.5 to 5.5 V

Idling with warm engine

Pulse generation

(See waveform 9)

B67-82 (KNK1) - B67-81 (EKNK)

B - W

Knock sensor (bank 1) signal

Engine speed maintained at 4000 rpm after warming up engine

Pulse generation

(See waveform 14)

B67-87 (PR) - B67-133 (ETHW)

P - BR

Fuel pressure sensor (for high pressure side) signal

Idling with warm engine

0.5 to 4.5 V

B67-89 (VTA2) - B67-120 (ETA)

LG - B

Throttle position sensor signal (for sensor malfunction detection)

Ignition switch ON, accelerator pedal fully released

2.1 to 3.1 V

Accelerator pedal fully depressed (engine running)

4.6 to 5.0 V

B67-90 (VC) - B67-53 (E1)

W - BR

Power source for sensor (specific voltage)

Ignition switch ON

4.5 to 5.5 V

B67-91 (OX2B) - B67-92 (EX2B)

G - W

Heated oxygen sensor (bank 2 sensor 2) signal

Engine speed maintained at 2500 rpm for 2 minutes after warming up engine

Pulse generation

(See waveform 15)

B67-93 (OX1B) - B67-94 (EX1B)

R - G

Heated oxygen sensor (bank 1 sensor 2) signal

Engine speed maintained at 2500 rpm for 2 minutes after warming up engine

Pulse generation

(See waveform 15)

B67-96 (VCNE) - B67-53 (E1)

R - BR

Power source of crankshaft position sensor (specific voltage)

Ignition switch ON

4.5 to 5.5 V

B67-98 (VCV2) - B67-97 (VV2-)

R - B

Power source of VVT sensor (bank 2) (specific voltage)

Ignition switch ON

4.5 to 5.5 V

B67-99 (VCV1) - B67-100 (VV1-)

W - R

Power source of VVT sensor (bank 1) (specific voltage)

Ignition switch ON

4.5 to 5.5 V

B67-101 (THW) - B67-133 (ETHW)

B - BR

Engine coolant temperature sensor

Idling, engine coolant temperature 75 to 100°C (167 to 212°F)

0.2 to 1.0 V

B67-102 (THA) - B67-115 (E2G)

L - LG

Intake air temperature sensor

Idling, intake air temperature 0 to 80°C (32 to 176°F)

0.5 to 3.4 V

B67-106 (NSW) - B67-53 (E1)

G - BR

Park/Neutral position switch signal

Ignition switch ON, shift lever not in P or N

11 to 14 V

Ignition switch ON, shift lever in P or N

Below 1 V

B67-107 (R) - B67-53 (E1)

B - BR

R shift position switch signal

Ignition switch ON, shift lever in R

11 to 14 V

Ignition switch ON, shift lever not in R

Below 1 V

B67-108 (P) - B67-53 (E1)

G - BR

P shift position switch signal

Ignition switch ON, shift lever in P

11 to 14 V

Ignition switch ON, shift lever not in P

Below 1 V

B67-112 (IGF1) - B67-53 (E1)

B - BR

Ignition coil assembly (ignition confirmation signal)

Ignition switch ON

4.5 to 5.5 V

Idling with warm engine

Pulse generation

(See waveform 9)

B67-114 (KNK2) - B67-113 (EKN2)

R - G

Knock sensor (bank 2) signal

Engine speed maintained at 4000 rpm after warming up engine

Pulse generation

(See waveform 14)

B67-116 (VG) - B67-115 (E2G)

R - LG

Mass air flow meter signal

Ignition switch ON

Pulse generation

(See waveform 16)

B67-121 (VCTA) - B67-120 (ETA)

R - B

Power source of throttle position sensor (specific voltage)

Engine stopped, Ignition switch ON

4.5 to 5.5 V

B67-122 (VTA1) - B67-120 (ETA)

G - B

Throttle position sensor signal (for engine control)

Ignition switch ON, accelerator pedal fully released

0.6 to 1.1 V

Accelerator pedal fully depressed (engine running)

3.2 to 4.8 V

B67-123 (A2A+) - B67-53 (E1)

P - BR

Air fuel ratio sensor (bank 2 sensor 1) signal

Ignition switch ON

3.3 V*1

B67-124 (A2A-) - B67-53 (E1)

L - BR

Air fuel ratio sensor (bank 2 sensor 1) signal

Ignition switch ON

2.9 V*1

B67-125 (A1A+) - B67-53 (E1)

Y - BR

Air fuel ratio sensor (bank 1 sensor 1) signal

Ignition switch ON

3.3 V*1

B67-126 (A1A-) - B67-53 (E1)

BR - BR

Air fuel ratio sensor (bank 1 sensor 1) signal

Ignition switch ON

2.9 V*1

B67-127 (GE01) - Body ground

BR - -

Shielded earth (ground) circuit of throttle actuator

Always

Below 1 Ω

B67-128 (NE+) - B67-95 (NE-)

L - B

Crankshaft position sensor

Idling with warm engine

Pulse generation

(See waveform 17)

B67-129 (VV2+) - B67-97 (VV2-)

G - B

VVT sensor (for intake camshaft of bank 2) signal

Idling

Pulse generation

(See waveform 18)

B67-130 (EV2+) - B67-97 (VV2-)

GR - B

VVT sensor (for exhaust camshaft of bank 2) signal

Idling

Pulse generation

(See waveform 19)

B67-131 (EV1+) - B67-100 (VV1-)

B - R

VVT sensor (for exhaust camshaft of bank 1) signal

Idling

Pulse generation

(See waveform 19)

B67-132 (VV1+) - B67-100 (VV1-)

G - R

VVT sensor (for intake camshaft of bank 1) signal

Idling

Pulse generation

(See waveform 18)

B67-134 (PFL) - B67-133 (ETHW)

R - BR

Fuel pressure sensor (for low pressure side) signal

Idling with warm engine

0.75 to 4.5 V

B67-136 (RFC) - B67-53 (E1)

LG - BR

Cooling fan control signal

Ignition switch ON, A/C switch on (max cool)

Pulse generation

(See waveform 20)

B67-139 (D) - B67-53 (E1)

R - BR

D shift position switch signal

Ignition switch ON and shift lever in D or S

11 to 14 V

Ignition switch ON and shift lever not in D or S

Below 1 V

B67-140 (N) - B67-53 (E1)

LG - BR

N shift position switch signal

Ignition switch ON, shift lever in N

11 to 14 V

Ignition switch ON, shift lever not in N

Below 1 V

  • *1: The ECM terminal voltage is constant regardless of the voltage output from the sensor.
  • *2: w/ Smart Key System
  • *3: w/o Smart Key System

WAVEFORM 1

CAN Communication Signal (Reference)

ECM Terminal Name

Between CANH and E1

Tester Range

1 V/DIV., 10 μs./DIV.

Condition

Engine stopped, Ignition switch ON

HINT:

The waveform varies depending on the CAN communication signal.

WAVEFORM 2

CAN Communication Signal (Reference)

ECM Terminal Name

Between CANL and E1

Tester Range

1 V/DIV., 10 μs./DIV.

Condition

Engine stopped, Ignition switch ON

HINT:

The waveform varies depending on the CAN communication signal.

WAVEFORM 3

Engine Speed Signal

ECM Terminal Name

Between NEO and E1

Tester Range

1 V/DIV., 2 ms./DIV.

Condition

Idling with warm engine

HINT:

The wavelength becomes shorter as the engine speed increases.

WAVEFORM 4

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.

WAVEFORM 5

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.

WAVEFORM 6

Cam Timing Oil Control Solenoid Assembly (for Exhaust Camshaft) Signal

ECM Terminal Name

Between OE1+ and OE1-

Between OE2+ and OE2-

Tester Range

5 V/DIV., 1 ms./DIV.

Condition

Idling

WAVEFORM 7

Cam Timing Oil Control Solenoid Assembly (for Intake Camshaft) Signal

ECM Terminal Name

Between OC1+ and OC1-

Between OC2+ and OC2-

Tester Range

5 V/DIV., 1 ms./DIV.

Condition

Idling

WAVEFORM 8

Air Fuel Ratio Sensor Heater Operation Signal

ECM Terminal Name

Between HA1A and E04

Between HA2A and E05

Tester Range

5 V/DIV., 10 ms./DIV.

Condition

Idling

WAVEFORM 9

Ignition Coil Assembly Signal (IGT and IGF Signal)

ECM Terminal Name

CH1: Between IGT (1 to 6) and E1

CH2: Between IGF (1 or 2) and E1

Tester Range

2 V/DIV., 20 ms./DIV.

Condition

Idling with warm engine

WAVEFORM 10

No. 1 (to No. 6) Fuel Injector Assembly (for Port Injection) Signal

ECM Terminal Name

Between #10 (to #60) and E01

Tester Range

20 V/DIV., 20 ms./DIV.

Condition

Idling with warm engine, Data List item "Injection Mode" displaying "Port"

HINT:

  • The wavelength becomes shorter as the engine speed increases.
  • When the port injection injectors are operating, Port is displayed for Injection Way of the Data List.

WAVEFORM 11

Throttle Actuator Negative Terminal Signal

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.

WAVEFORM 12

Throttle Actuator Positive Terminal Signal

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.

WAVEFORM 13

Purge VSV Operation Signal

ECM Terminal Name

Between PRG and E1

Tester Range

10 V/DIV., 20 ms./DIV.

Condition

Idling

HINT:

If the waveform is not similar to the illustration, check the waveform again after idling for 10 minutes or more.

WAVEFORM 14

Knock Sensor Signal

ECM Terminal Name

Between KNK1 and EKNK

Between 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 will differ slightly depending on the vehicle.

WAVEFORM 15

Heated Oxygen Sensor Signal

ECM Terminal Name

Between OX1B and EX1B

Between OX2B and EX2B

Tester Range

0.2 V/DIV., 200 ms./DIV.

Condition

Engine speed maintained at 2500 rpm for 2 minutes after warming up engine

HINT:

Data List, item "O2 Sensor Voltage B1S2" and "O2 Sensor Voltage B2S2" shows the ECM values from the heated oxygen sensor.

WAVEFORM 16

Mass Air Flow Meter Signal

ECM Terminal Name

Between VG and E2G

Tester Range

1 V/DIV., 100 μs./DIV.

Condition

Ignition switch ON

WAVEFORM 17

Crankshaft Position Sensor Signal

ECM Terminal Name

Between NE+ and NE-

Tester Range

2 V/DIV., 20 ms./DIV.

Condition

Idling with warm engine

HINT:

The wavelength becomes shorter as the engine speed increases.

WAVEFORM 18

VVT Sensor (for Intake Camshaft) Signal

ECM Terminal Name

CH1: Between VV1+ and VV1-

CH2: Between VV2+ and VV2-

Tester Range

5 V/DIV., 20 ms./DIV.

Condition

Idling

HINT:

The wavelength becomes shorter as the engine speed increases.

WAVEFORM 19

VVT Sensor (for Exhaust Camshaft) Signal

ECM Terminal Name

CH1: Between EV1+ and VV1-

CH2: Between EV2+ and VV2-

Tester Range

5 V/DIV., 20 ms./DIV.

Condition

Idling

HINT:

The wavelength becomes shorter as the engine speed increases.

WAVEFORM 20

Cooling Fan Control Signal

ECM Terminal Name

Between RFC and E1

Tester Range

1 V/DIV., 20 ms./DIV.

Condition

Ignition switch ON, A/C switch on (max cool)

HINT:

The duty ratio varies depending on the engine coolant temperature.