Toyota Tundra. Manual — part 1484

D74-92 (VV1+)
- D74-91 (VV1-
)

R - G

Variable valve timing
(VVT) sensor (for Intake
Side of Bank 1)

Idling

Pulse generation
(see waveform 5

e)

D74-87 (VV2+)
- D74-88 (VV2-
)

R - Y

Variable valve timing
(VVT) sensor (for Intake
Side for Bank 2)

Idling

Pulse generation
(see waveform 5

e)

D74-69 (EV1+)
- D74-68 (EV1-
)

R-L - B

Variable valve timing
(VVT) sensor (for Exhaust
Side of Bank 1)

Idling

Pulse generation

(see waveform

16 p)

D74-64 (EV2+)
- D74-65 (EV2-
)

R-L - B

Variable valve timing
(VVT) sensor (for Exhaust
Side of Bank 2)

Idling

Pulse generation

(see waveform

16 p)

D74-110 (NE+)
- D74-111 (NE-
)

W - Y Crankshaft position sensor Idling

Pulse generation
(see waveform 5

e)

D74-40 (IGT1)
- D74-81 (E1)

B-Y -

BR

Ignition coil (ignition
signal)

Idling

Pulse generation
(see waveform 6

f)

D74-33 (IGT2)
- D74-81 (E1)

L-Y -

BR

Ignition coil (ignition
signal)

Idling

Pulse generation
(see waveform 6

f)

D74-37 (IGT3)
- D74-81 (E1)

B - BR

Ignition coil (ignition
signal)

Idling

Pulse generation
(see waveform 6

f)

D74-34 (IGT4)
- D74-81 (E1)

L-B -

BR

Ignition coil (ignition
signal)

Idling

Pulse generation
(see waveform 6

f)

D74-35 (IGT5)
- D74-81 (E1)

G-R -

BR

Ignition coil (ignition
signal)

Idling

Pulse generation
(see waveform 6

f)

D74-36 (IGT6)
- D74-81 (E1)

G - BR

Ignition coil (ignition
signal)

Idling

Pulse generation
(see waveform 6

f)

D74-38 (IGT7)
- D74-81 (E1)

G-W -

BR

Ignition coil (ignition
signal)

Idling

Pulse generation
(see waveform 6

f)

D74-39 (IGT8)
- D74-81 (E1)

G-B -

BR

Ignition coil (ignition
signal)

Idling

Pulse generation
(see waveform 6

f)

D74-104 (IGF1)
- D74-81 (E1)

G-B -

BR

Ignition coil (ignition
confirmation signal)

Ignition switch ON

4.5 to 5.5 V

Idling

Pulse generation
(see waveform 6
f)

D74-105 (IGF2)

R - BR

Ignition coil (ignition

Ignition switch ON

4.5 to 5.5 V

Pulse generation

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

- D74-81 (E1)

confirmation signal)

Idling

(see waveform 6
f)

D74-63 (PRG) -
D74-81 (E1)

L-B -

BR

Purge VSV

Ignition switch ON

11 to 14 V

Idling

Pulse generation
(see waveform 7
g)

A24-13 (SPD) -
D74-81 (E1)

B - BR

Speed signal from
combination meter

Driving at 20 km/h (12
mph)

Pulse generation
(see waveform 8

h)

A24-46 (STA) -
D74-81 (E1)

R - BR Starter signal

Cranking

5.5 V or more

D74-120
(NSW) - D74-
81 (E1)

L - BR

Park/neutral position
switch

Ignition switch ON, Shift
lever position other than P
and N

11 to 14 V

Ignition switch ON, Shift

lever position in P or N

Below 3.0 V

A24-36 (STP) -
D74-81 (E1)

LG - BR Stop light switch

Brake pedal depressed

7.5 to 14 V

Brake pedal released

Below 1.5 V

A24-35 (ST1-) -
D74-81 (E1)

R - BR

Stop light switch (opposite
to STP terminal)

Ignition switch ON, Brake
pedal depressed

Below 1.5 V

Ignition switch ON, Brake

pedal released

7.5 to 14 V

D74-19 (M+) -
D74-82 (ME01)

R - W-B Throttle actuator

Idling with warm engine

Pulse generation
(see waveform 9

i)

D74-18 (M-) -
D74-82 (ME01)

G - W-B Throttle actuator

Idling with warm engine

Pulse generation

(see waveform

10 j)

A24-48 (FC) -
D74-81 (E1)

L - BR Fuel pump control

Ignition switch ON

11 to 14 V

A24-52 (FPC) -
D74-81 (E1)

BE - BR Fuel pump control

Ignition switch ON

Below 1.5 V

A24-24 (W) -
D74-81 (E1)

P - BR MIL

Ignition switch ON

Below 3.0 V

Idling

11 to 14 V

A24-16 (TC) -
D74-81 (E1)

R - BR Terminal TC of DLC3

Ignition switch ON

11 to 14 V

A24-15
(TACH) - D74-
81 (E1)

W - BR Engine speed

Idling

Pulse generation

(see waveform

11 k)

A24-30
(VPMP) - D74-
81 (E1)

V - BR

Vent valve (built into
canister pump module)

Ignition switch ON

11 to 14 V

A24-49
(MPMP) - D74-
81 (E1)

G - BR

Leak detection pump (built
into canister pump module)

Leak detection pump OFF

Below 3.0 V

Leak detection pump ON 11 to 14 V

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

D74-67 (VCV1)
- D74-97
(ETHW)

L - BR

Power source for sensor
(specific voltage)

Ignition switch ON

4.5 to 5.5 V

D74-66 (VCV2)
- D74-97
(ETHW)

L - BR

Power source for sensor
(specific voltage)

Ignition switch ON

4.5 to 5.5 V

D74-121
(PPMP) - D74-
97 (ETHW)

P - BR

Canister pressure sensor
(built into canister pump
module)

Ignition switch ON

3.3 to 4.0 V

D74-32 (ALT) -
D74-81 (E1)

R - BR Generator

Ignition switch ON

11 to 14 V

A24-10
(CANH) - D74-
81 (E1)

GR - BR CAN communication line

Ignition switch ON

Pulse generation

(see waveform

12 l)

A24-11
(CANL) - D74-
81 (E1)

W - BR CAN communication line

Ignition switch ON

Pulse generation

(see waveform

13 m)

D74-62 (ACIS)
- D74-81 (E1)

L-Y -

BR

VSV for ACIS (Acoustic
Control Induction System)
operation signal

Ignition switch ON

11 to 14 V

D74-28 (AIRV)
- D74-81 (E1)

BR - BR

Air switching valve for
secondary air injection
system

Ignition switch ON

11 to 14 V

D74-54 (AIRP)
- D74-81 (E1)

P - BR Air pump control

Ignition switch ON

11 to 14 V

D74-30 (AIDI)
- D74-81 (E1)

G - BR

Diagnostic information
signal for air injection
system

Air injection system
operates

Pulse generation

(see waveform

15 o)

A24-54 (AIP) -
D74-98 (ETHA)

Y - BR

Secondary air injection
system pressure signal

Ignition switch ON

3.0 to 3.6 V

A24-43 (ARV2)
- D74-81 (E1)

V - BR

Air switching valve for
secondary air injection
system

Ignition switch ON

11 to 14 V

D74-53 (ARP2)
- D74-81 (E1)

P-L -

BR

Air pump control

Ignition switch ON

11 to 14 V

D74-29 (AID2)
- D74-81 (E1)

G-Y -

BR

Diagnostic information
signal for air injection
system

Air injection system
operates

Pulse generation

(see waveform

15 o)

A24-53 (AIP2)
- D74-97
(ETHW)

G - BR

Secondary air injection
system pressure signal

Ignition switch ON

3.0 to 3.6 V

D74-90 (G2) -
D74-89 (G2-)

R - B

Camshaft position sensor

Idling

Pulse generation

(see waveform

14 n)

A24-18 (DI) -

L - BR Fuel pump control

Ignition switch ON

0 to 3.0 V

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

b. WAVEFORM 1:

Camshaft timing oil control valve (OCV)

WAVEFORM REFERENCE

Fig. 17: Identifying Waveform 1
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. WAVEFORM 2:

Heated oxygen sensor

WAVEFORM REFERENCE

D74-81 (E1)
A24-14 (STSW)
- D74-81 (E1)

BR - BR Starter switch

Shift lever position P or
N, Cranking

6.0 V or more

A24-41
(ACCR) - D74-
81 (E1)

BR - BR ACC relay control signal

Ignition switch ON -->
Cranking

11 to 14 V -->

Below 1 V

D74-16 (STAR)
- D74-81 (E1)

L - BR Starter relay control

Ignition switch ON

Below 1.5 V

Cranking

5.5 V or more

D74-72 (PSP) -
D74-81 (E1)

G - BR

Power steering oil pressure
sensor

Ignition switch ON

0.5 to 4.5 V

D74-60 (FPCR)
- D74-81 (E1)

R - BR

Fuel pressure switching
valve

Fuel pressure switching
valve OFF

11 to 14 V

HINT:
*: The ECM terminal voltage is constant regardless of the output voltage from the sensor.

Terminal No. (Symbols)

Tool Setting

Condition

D74-58 (OC1+) - D74-57 (OC1-) 5 V/DIV., 1 msec./DIV.

Idling

D74-52 (OC2+) - D74-51 (OC2-) 5 V/DIV., 1 msec./DIV.

Idling

D74-56 (OE1+) - D74-55 (OE1-) 5 V/DIV., 1 msec./DIV.

Idling

D74-50 (OE2+) - D74-49 (OE2-) 5 V/DIV., 1 msec./DIV.

Idling

Terminal No. (Symbols)

Tool Setting

Condition

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra