Toyota Sequoia (2005). Manual — part 58
–
DIAGNOSTICS
ENGINE
DI–35
229
#10 (E6–2) – E01 (E8–7)
#20 (E6–3) – E01 (E8–7)
#30 (E6–4) – E01 (E8–7)
#40 (E6 5)
E01 (E8 7)
R – W–B
W – W–B
G – W–B
R B
W B
IG switch ON
9 to 14 V
#40 (E6–5) – E01 (E8–7)
#50 (E6–6) – E01 (E8–7)
#60 (E6–7) – E01 (E8–7)
#70 (E8–3) – E01 (E8–7)
#80 (E8–2) – E01 (E8–7)
R–B – W–B
L – W–B
Y – W–B
L–R – W–B
R–W – W–B
Idling
Pulse generation
(See waveform 1)
KNK1 (E7–29) – EKNK (E7–28)
G – R
M i t i
i
d t 4 000
ft
i
Pulse generation
KNK2 (E7–21) – EKN2 (E7–20)
W – B
Maintain engine speed at 4,000 rpm after warming up
Pulse generation
(See waveform 2)
OC1+ (E6–17) – OC1– (E6–16)
L–W – P–L
Accelerate slowly after engine warmed–up
Pulse generation
(See waveform 3)
OC2+ (E6–15) – OC2– (E6–14)
L–B – R–L
Accelerate slowly after engine warmed–up
Pulse generation
(See waveform 3)
VV1+ (E6–25) – VV1– (E6–24)
R – W
Idling
Pulse generation
(See waveform 4)
VV2+ (E6–18) – VV2– (E6–28)
G – R
Idling
Pulse generation
(See waveform 4)
G2+ (E6–19) – G2– (E6–29)
Y – L
Idling
Pulse generation
(See waveform 5)
NE+ (E6–21) – NE– (E6–20)
R – G
Idling
Pulse generation
(See waveform 5)
PRG (E8–34) – E1 (E6–1)
W–G – BR
IG switch ON
9 to 14 V
SPD (E5–8) – E1 (E6–1)
G–O – BR
IG switch ON, Rotate driving wheel slowly
Pulse generation
(See waveform 6)
M+ (E8–5) – E1 (E6–1)
V – BR
Idling
Pulse generation
(See waveform 7)
M– (E8–4) – E1 (E6–1)
P – BR
Idling
Pulse generation
(See waveform 8)
FPR (E6–30) – E1 (E6–1)
V – BR
IG switch ON
0 to 3.0 V
FC (E4–10) – E1 (E6–1)
G–O – BR
IG switch ON
9 to 14 V
IGT1 (E8–8) – E1 (E6–1)
IGT2 (E8–15) – E1 (E6–1)
IGT3 (E8–11) – E1 (E6–1)
IGT4 (E8–10) – E1 (E6–1)
IGT5 (E8–13) – E1 (E6–1)
IGT6 (E8–12) – E1 (E6–1)
IGT7 (E8–14) – E1 (E6–1)
IGT8 (E8–9) – E1 (E6–1)
B–L – BR
LG–B – BR
G–B – BR
R–W – BR
G–W – BR
P–L – BR
G–R – BR
LG – BR
Idling
Pulse generation
(See waveform 9)
IGF1 (E8 24)
E1 (E6 1)
B R
BR
IG switch ON
4.5 to 5.5 V
IGF1 (E8–24) – E1 (E6–1)
IGF2 (E8–25) – E1 (E6–1)
B–R – BR
B–W – BR
Idling
Pulse generation
(See waveform 9)
A1A+ (E7–22) – E1 (E6–1)
G – BR
Always (Ignition switch ON)
3.3 V*
1
A1A– (E7–30) – E1 (E6–1)
R – BR
Always (Ignition switch ON)
3.0 V*
1
A2A+ (E7–23) – E1 (E6–1)
W – BR
Always (Ignition switch ON)
3.3 V*
1
A2A– (E7–31) – E1 (E6–1)
B – BR
Always (Ignition switch ON)
3.0 V*
1
HT1B (E8–1) – E1 (E6–1)
W–R – BR
Idling
Below 3.0 V
HT1B (E8 1) E1 (E6 1)
HT2B (E7–5) – E1 (E6–1)
W R BR
Y – BR
IG switch ON
9 to 14 V
OX1B (E8–18) – E2 (E8–28)
G – G–W
Idling
Pulse generation
(See waveform 10)
A23647
20 msec./DIV
20 V/DIV
Ground
DI–36
–
DIAGNOSTICS
ENGINE
230
OX2B (E7–33) – E2 (E8–28)
R – G–W
Idling
Pulse generation
(See waveform 10)
STP (E4 15)
E1 (E6 1)
G Y
BR
Brake pedal is depressed
7.5 to 14 V
STP (E4–15) – E1 (E6–1)
G–Y – BR
Brake pedal is released
Below 1.5 V
ST1 (E4 16)
E1 (E6 1)
L B
BR
Brake pedal is depressed
Below 1.5 V
ST1– (E4–16) – E1 (E6–1)
L–B – BR
Brake pedal is released
7.5 to 14 V
STA (E6–11) – E1 (E6–1)
B–R – BR
Shift lever position P or N, Ignition switch START
6.0 V or more
STSW (E6–12) – E1 (E6–1)
B – BR
Shift lever position P or N, ignition switch START
6.0 V or more
STAR/NSW (E7 8)
E1 (E6 1)
B
BR
IG switch ON, Other shift position in P, N
9 to 14 V
STAR/NSW (E7–8) – E1 (E6–1)
B – BR
IG switch ON, Shift position in P, N
0 to 3.0 V
W (E5 30)
E1 (E6 1)
V W
BR
Idling
9 to 14 V
W (E5–30) – E1 (E6–1)
V–W – BR
IG switch ON
Below 3.0 V
TACH (E5–1) – E1 (E6–1)
Y–G – BR
Idling
Pulse generation
(See waveform 11)
ACIS (E8–33) – E1 (E6–1)
B–L – BR
IG switch ON
9 to 14 V
VPMP (E4–5) – E1 (E6–1)
P–L – BR
Ignition switch ON
9 V to 14 V
MPMP (E4–6) – E1 (E6–1)
V–G – BR
Vacuum pump OFF
Vacuum pump ON
0 V to 3 V
9 V to 14 V
PPMP (E4–22) – E1 (E6–1)
R–G – BR
Ignition switch ON
3 V to 3.6 V
AIV1 (E8–27) – E1 (E6–1)
L–B – BR
Ignition switch ON
9 to 14 V
AIV2 (E8–26) – E1 (E6–1)
P–L – BR
Ignition switch ON
9 to 14 V
AIRV (E4–4) – E1 (E6–1)
R–W – BR
Ignition switch ON
9 to 14 V
AIRP (E4–25) – E1 (E6–1)
G–W – BR
Ignition switch ON
9 to 14 V
AIP (E8–32) – E1 (E6–1)
B–Y – BR
Ignition switch ON
3 V to 3.6 V
*
1
: The ECM terminal voltage is constant regardless of the output voltage from the sensor.
WAVEFORM 1
Fuel injector
ECM Terminal Names
Between #10 (to 40) and E01
Tester Ranges
20 V/DIV, 20 msec./DIV
Conditions
Idling
HINT:
The wavelength becomes shorter as the engine rpm increases.
A23648
GND
1V/ DIV
KNK1 Signal Waveform
1 msec./ Division
A23649
200 msec./DIV
5 V/DIV
Ground
A
B
A23650
20 msec./DIV
2 V/DIV
(a) Ground
CH1
(b) Ground
CH2
(c) Ground
CH3
–
DIAGNOSTICS
ENGINE
DI–37
231
WAVEFORM 2
Knock sensor
ECM Terminal Name
Between KNK1 and EKNK
Between KNK2 and EKN2
Tester Range
1 V/DIV, 1 msec./DIV
Condition
Maintain engine RPM at 2,000 rpm after engine warmed–up
HINT:
The wavelength becomes shorter as engine rpm in-
creases.
The waveforms and amplitudes displayed differ slightly
depending on the vehicle.
WAVEFORM 3
VVT OCV
ECM Terminal Name
Between OC1+ and OC1–
Between OC2+ and OC2–
Tester Range
0.2 V/DIV, 200 msec./DIV
Condition
Accelerate slowly after engine warmed–up
HINT:
In the DATA LIST, the items VVT OCV DUTY B1 and B2 show
the duty ratio of voltage flowing to the OCV (see illustration on
left).
VVT OCV DUTY B1, B2 = A/B x 100 (%)
WAVEFORM 4
(a)
VVT sensor bank 1
(b)
VVT sensor bank 2
(c)
Crankshaft position sensor
ECM Terminal Name
(a) Between VV1+ and VV1–
(b) Between VV2+ and VV2–
(c) Between NE+ and NE–
Tester Range
2 V/DIV, 20 msec./DIV
Condition
Idle after engine warmed–up
HINT:
The wavelength becomes shorter as the engine rpm increases.
A23651
20 msec./DIV
5 V/DIV
(a)
(b)
Ground
Ground
A23652
10 msec./DIV
1 V/DIV
Ground
A23653
1 msec./DIV
5 V/DIV
Ground
A23654
1 msec./DIV
5 V/DIV
Ground
A23655
(a)
(b)
20 msec./DIV
2 V/DIV
Ground
Ground
DI–38
–
DIAGNOSTICS
ENGINE
232
WAVEFORM 5
(a)
Camshaft position sensor
(b)
Crankshaft position sensor
ECM Terminal Name
(a) Between G2+ and G2–
(b) Between NE+ and NE–
Tester Range
5 V/DIV, 20 msec./DIV
Condition
Idle after engine warmed–up
HINT:
The wavelength becomes shorter as the engine rpm increases.
WAVEFORM 6
Vehicle speed signal
ECM Terminal Name
Between SP2+ and SP2–
Tester Range
5 V/DIV, 10 msec./DIV
Condition
Driving by 40 km/h (25 mph)
HINT:
The wavelength becomes shorter as vehicle speed increases.
WAVEFORM 7
Throttle actuator positive terminal
ECM Terminal Name
Between M+ and ME01
Tester Range
5 V/DIV, 1 msec./DIV
Condition
Idle after engine warmed–up
HINT:
The duty ratio varies depending on the throttle opening opera-
tion.
WAVEFORM 8
Throttle actuator negative terminal
ECM Terminal Name
Between M– and ME01
Tester Range
5 V/DIV, 1 msec./DIV
Condition
Idle after engine warmed–up
HINT:
The duty ratio varies depending on the throttle opening opera-
tion.
WAVEFORM 9
(a)
Igniter IGT signal (from ECM to igniter)
(b)
Igniter IGF signal (from igniter to ECM)
ECM Terminal Name
(a) Between IGT1 (to IGT8) and E1
(b) Between IGF1 (IGF2) and E1
Tester Range
2 V/DIV, 20 msec./DIV
Condition
Idling
HINT:
The wavelength becomes shorter as vehicle speed increases.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст