Toyota Tundra (2015 year). Manual — part 1480
TERMINAL NO.
(SYMBOL)
WIRING
COLOR
TERMINAL DESCRIPTION
CONDITION
SPECIFIED
CONDITION
(see waveform
11)
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)
W - 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
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)
A24-11 (CANL) -
D74-81 (E1)
W - BR
CAN communication line
Ignition switch ON
Pulse
generation
(see waveform
13)
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 secondary air injection
system
Secondary air injection
system operates
Pulse
generation
(see waveform
15)
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 secondary air injection
system
Secondary air injection
system operates
Pulse
generation
(see waveform
15)
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: TERMINA...
TERMINAL NO.
(SYMBOL)
WIRING
COLOR
TERMINAL DESCRIPTION
CONDITION
SPECIFIED
CONDITION
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)
A24-18 (DI) -
D74-81 (E1)
Y - BR
Fuel pump control
Ignition switch ON
0 to 3.0 V
A24-14 (STSW) -
D74-81 (E1)
BR - BR
Ignition switch signal
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
ST 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
D74-61 (HAI1) -
D74-81 (E1)
B - BR
Air pump heater for secondary
air injection system
AI heater operating
Below 1.5 V
A24-33 (ELS2) -
D74-81 (E1)
B - BR
Electric load
Rear defogger switch on
7.5 to 14 V
Rear defogger switch off
Below 1.5 V
HINT:
Camshaft timing oil control valve (OCV)
TERMINAL NO. (SYMBOL)
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
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: TERMINA...
(c) WAVEFORM 2:
Heated oxygen sensor
TERMINAL NO.
(SYMBOL)
TOOL SETTING
CONDITION
D74-114 (OX1B)
- D74-115
(EX1B)
0.2 V/DIV., 200
msec./DIV.
Engine speed maintained at
2500 rpm for 2 minutes after
warming up sensor
D74-112 (OX2B)
- D74-113
(EX2B)
0.2 V/DIV., 200
msec./DIV.
Engine speed maintained at
2500 rpm for 2 minutes after
warming up sensor
HINT:
In Data List, item O2S B1S2 and O2S B2S2 show the ECM
input values from the heated oxygen sensor.
(d) WAVEFORM 3:
Fuel injector No. 1 (to No. 8) injection signal
TERMINAL NO. (SYMBOL)
TOOL SETTING
CONDITION
D74-86 (#10) - D74-43
(E01)
20 V/DIV., 20
msec./DIV.
Idling
D74-109 (#20) - D74-43
(E01)
20 V/DIV., 20
msec./DIV.
Idling
D74-85 (#30) - D74-43
(E01)
20 V/DIV., 20
msec./DIV.
Idling
D74-108 (#40) - D74-43
(E01)
20 V/DIV., 20
msec./DIV.
Idling
D74-84 (#50) - D74-43
(E01)
20 V/DIV., 20
msec./DIV.
Idling
D74-107 (#60) - D74-43
(E01)
20 V/DIV., 20
msec./DIV.
Idling
D74-83 (#70) - D74-43
(E01)
20 V/DIV., 20
msec./DIV.
Idling
D74-106 (#80) - D74-43
(E01)
20 V/DIV., 20
msec./DIV.
Idling
HINT:
The wavelength becomes shorter as the engine speed
increases.
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: TERMINA...
(e) WAVEFORM 4:
Knock sensor
TERMINAL NO.
(SYMBOL)
TOOL SETTING
CONDITION
D74-94 (KNK1) -
D74-93 (EKNK)
1 V/DIV., 1
msec./DIV.
Engine speed maintained at
4000 rpm after warming up
engine
D74-117 (KNK2) -
D74-116 (EKN2)
1 V/DIV., 1
msec./DIV.
Engine speed maintained at
4000 rpm after warming up
engine
D74-96 (KNK3) -
D74-95 (EKN3)
1 V/DIV., 1
msec./DIV.
Engine speed maintained at
4000 rpm after warming up
engine
D74-119 (KNK4) -
D74-118 (EKN4)
1 V/DIV., 1
msec./DIV.
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.
(f) WAVEFORM 5:
Crankshaft position sensor and VVT sensor (for intake side)
TERMINAL NO.
(SYMBOL)
TOOL SETTING
CONDITION
(a) D74-110 (NE+) -
D74-111 (NE-)
5 V/DIV., 20
msec./DIV.
Idle after engine
warmed up
(b) D74-92 (VV1+) -
D74-91 (VV1-)
5 V/DIV., 20
msec./DIV.
Idle after engine
warmed up
(c) D74-87 (VV2+) -
D74-88 (VV2-)
5 V/DIV., 20
msec./DIV.
Idle after engine
warmed up
HINT:
The wavelength becomes shorter as engine speed increases.
(g) WAVEFORM 6:
Ignition coil signal (IGT and IGF signal)
TERMINAL NO. (SYMBOL)
TOOL SETTING
CONDITION
(a) D74-40 (IGT1) - D74-81
(E1)
2 V/DIV., 20
msec./DIV.
Idling
(a) D74-33 (IGT2) - D74-81
(E1)
2 V/DIV., 20
msec./DIV.
Idling
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: TERMINA...
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