Infiniti Q45 (FY33). Manual — part 18
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14. Touch “DISPLAY”.
15. Touch “PRINT”.
16. Check the monitor data printed out.
17. Continue cruise test part 2 and 3.
SAT908IA
Without CONSULT-II
I
Throttle position sensor can be checked by voltage across
terminals
q
34
and
q
35
of TCM.
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EC
FE
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
TROUBLE DIAGNOSIS — Basic Inspection
Road Test (Cont’d)
AT-69
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CRUISE TEST — Part 1
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1. Drive vehicle for approx. 10 minutes to
warm engine oil and ATF up to operat-
ing temperature.
ATF operating temperature:
50 - 80°C (122 - 176°F)
1. Park vehicle on flat surface.
2. Set overdrive control switch to “ON”
position.
3. Move selector lever to “P” position.
4. Start engine.
Move selector lever to “D” position.
Accelerate vehicle by constantly depress-
ing accelerator pedal half-way.
Does vehicle start from “D
1
”?
Read gear position.
Yes
E
No
Go to “8. Vehicle Cannot
Be Started From D
1
”, AT-168.
Continue ROAD TEST.
Does A/T shift from “D
1
” to “D
2
” at the
specified speed?
Read gear position,
throttle opening and
vehicle speed.
Specified speed when shifting from
“D
1
” to “D
2
”:
Refer to Shift schedule, AT-276.
Yes
E
No
Go to “9. A/T Does Not
Shift: D
1
,
D
2
Or Does
Not Kickdown: D
4
,
D
2
”,
AT-169.
Continue ROAD TEST.
Does A/T shift from “D
2
” to “D
3
” at the
specified speed?
Read gear position,
throttle position and
vehicle speed.
Specified speed when shifting from
“D
2
” to “D
3
”:
Refer to Shift schedule, AT-276.
Yes
E
No
Go to “10. A/T Does Not
Shift: D
2
,
D
3
”, AT-170.
Continue ROAD TEST.
q
A
TROUBLE DIAGNOSIS — Basic Inspection
Road Test (Cont’d)
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AT-70
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q
A
Does A/T shift from “D
3
” to “D
4
” at the
specified speed?
Read gear position,
throttle position and
vehicle speed.
Specified speed when shifting from
D
3
to D
4
:
Refer to Shift schedule, AT-276.
Yes
E
No
Go to “11. A/T Does Not
Shift: D
3
,
D
4
”, AT-171.
Continue ROAD TEST.
Does A/T perform lock-up at the specified
speed?
Read vehicle speed, throt-
tle position when lock-up
duty becomes 94%.
Specified speed when lock-up
occurs:
Refer to Shift schedule, AT-276.
Yes
E
No
Go to “12. A/T Does Not
Perform Lock-up”, AT-172.
Continue ROAD TEST.
Does A/T hold lock-up condition for more
than 30 seconds?
Yes
E
No
Go to “13. A/T Does Not
Hold Lock-up Condition”,
AT-173.
1. Release accelerator pedal.
2. Is lock-up released when accelerator
pedal is released?
Yes
E
No
Go to “14. Lock-up Is Not
Released”, AT-173.
Continue ROAD TEST.
1. Decelerate vehicle by applying foot
brake lightly.
2. Does engine speed return to idle
smoothly when A/T is shifted from “D
4
”
to “D
3
”?
Read gear position and
engine speed.
Yes
E
No
Go to “15. Engine Speed
Does Not Return To Idle
(Light Braking D
4
,
D
3
)”,
AT-174.
Continue ROAD TEST.
1. Stop vehicle.
2. Go to “CRUISE TEST — Part 2”, AT-72.
GI
MA
EM
LC
EC
FE
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
TROUBLE DIAGNOSIS — Basic Inspection
Road Test (Cont’d)
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H
H
H
H
H
AT-71
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CRUISE TEST — Part 2
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1. Confirm overdrive control switch is in
“ON” position.
2. Confirm selector lever is in “D” position.
1. Accelerate vehicle by half throttle again.
2. Does vehicle start from “D
1
”?
Read gear position.
Yes
E
No
Go to “16. Vehicle Does
Not Start From D
1
”, AT-175.
Continue ROAD TEST.
1. Accelerate vehicle to 80 km/h (50 MPH)
as shown in illustration.
2. Release accelerator pedal and then
quickly depress it fully.
3. Does A/T shift from “D
4
” to “D
2
” as soon
as accelerator pedal is depressed fully?
Read gear position and
throttle position.
Yes
E
No
Go to “9. A/T Does Not
Shift: D
1
,
D
2
Or Does
Not Kickdown: D
4
,
D
2
”,
AT-169.
Continue ROAD TEST.
Does A/T shift from “D
2
” to “D
3
” at the
specified speed?
Read gear position,
throttle position and
vehicle speed.
Specified speed when shifting from
“D
2
” to “D
3
”:
Refer to Shift schedule, AT-276.
Yes
E
No
Go to “10. A/T Does Not
Shift: D
2
,
D
3
”, AT-170.
Continue ROAD TEST.
Release accelerator pedal after shifting
from “D
2
” to “D
3
”.
Does A/T shift from “D
3
” to “D
4
” and does
vehicle decelerate by engine brake?
Read gear position,
throttle position and
vehicle speed.
Yes
E
No
Go to “11. A/T Does Not
Shift: D
3
,
D
4
”, AT-171.
Continue ROAD TEST.
1. Stop vehicle.
2. Go to “CRUISE TEST — Part 3”, AT-73.
TROUBLE DIAGNOSIS — Basic Inspection
Road Test (Cont’d)
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H
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H
AT-72
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