1984 NISSAN 300ZX Automatic Transmission Workshop Manual

TROUBLE-SHOOTING AND DIAGNOSES
Vehicle speed
Gearshift krn/h (MPH)
Road Testing (Cont'd)
I
Propeller shaft Line pressure
revolution rprn kPa (kg/cm2, psi)
VEHICLE SPEED AND LINE PRESSURE
WHEN SHIFTING GEARS
E4N71B
VG3OE engine without turbo
1 Disconnect harness from lock-up control unit.
D4 +D3
D3 + D2
Dz + Di
Road test the vehicle to determine if all items
listed in the following chart are within their
specified values
2. Reconnect harness to lock-up control unit
Road test the vehicle to
see if shifting corre-
sponds to the specified
shift schedule pattern
490.647 (5 0- 66,71.94)
490 -902 (5
0 -92,71 - 131)
25.41 (16.25) 800 .1,300
14 .30 (9 - 19)
11
- 19 (7- 12)
450.950
350.600
Intake manifold vacuum
kPa (mrnHg, inHg)
I 1 785 - 941 (8 0.9 6, 114.137) DI+D2 1 59-67(37-42)
Dz + Da
1,900 - 2,150
3,250
- 3,500 101 . 109 (63 - 68) I
0 (0.0)
(Kickdown) ~-
1 745-902(76-92.108-131) 03 +& I 89 - 97 (55 - 60) 2,850 - 3,100
D2
+ Di 42.50 (26 -31) 1,350 - 1,600
12.22 (7. 14)
47 .59 (29 - 37)
67 .83 (42 - 52)
549.706 (5.6 - 7 2.80 - 102)
400 - 700
1,500
- 1,900
2.150.2.650
-13 3 (-100, -3 94)
0 (0.0)
(Full throttle) I 42-50(26-31) I 1,350.1,600 I 726 -883 (7 4.90,105 - 128) 12 + 11
-40 0 (-300, -1 1 81) 12+11 I 39-47(24-29) I 1,250-1.500 I 637-785(65-80.92-114)
VG30E turbo engine
Intake manifold vacuum
kPa (mmHg, inHg) Gearshift Vehicle speed
km/h (MPH)
60 - 70 I37 - 43)
103
- 112 (64 - 70)
-
-
85 - 94 (53 - 58)
46
- 55 (29 - 34)
Propeller shaft
revolution rpm
1,850.2.150
3,150
- 3,450
-
-
-
2,600 - 2,900
1.400- 1,700
Line pressure
kPa (kg/crnz, psi1
1 637.863 (6.5 - 8 8,92 - 125)
-
-
1 637.863 (6 5 - 8 8,92. 125)
+46 7 (+350, +13.78)
(Kickdown)
500.800
650
- 1,050
1,250
- 1,750
650
- 1,150
350 - 850
350.600
1,400
. 1,700
-
16-26(10-16)
21-34(13-21)
41
- 57 (25.35)
21-37(13-23) 1
1 - 28 (7 - 17)
11
- 20 (7 - 12)
46.55 (29 - 34)
314 -471 (3 2 -48.46-68)
314 - 530 (3.2.5 4.46.77)
-26 7 (-200, -7 87)
+46 7 (+350, +13 78)
(Full throttle) 588 - 745 (6.0.7 6,85 - 108)
-60 0 (-450. -17 72) 44 - 54 (27 - 34) 1,350 - 1,650 588 - 745 (6 0 - 7 6.85 - 108)
AT-65

TROUBLE-SHOOTING AND DIAGNOSES
Road Testing (Cont'd)
SHIFT SCHEDULE
VG30E engine without turbo
[Standard pattern]
Upshift
: I
7
I
I
. Lock-up zone
-_.
10 20 30 40 50 60 70 80 90 100 110 1M 130 19 150 160 l?O 180
110) (20) (30) 1401 150) (60) 170) 180) 190) 11001 111Ol
Vehicle speed kmlh IMPH)
Downshift
i
I 018
10 20 30 40 50 60 70 80 90 100 110 120 130 140 170 160 170 180
1101 120) 1301 140) 150) 160) 1701 18b) I&) (100) ciior
Vehicle speed kmlh 1MPH)
SAT746
SAT745
AT-66

TROUBLE-SHOOTING AND DIAGNOSES
Road Testing (Cont‘d)
[Power pattern1
Upshift
-. I
018 / I ~. . 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
‘ I101 I201 I301 140) 150) 160) l7bl 180) mol croo) crioi
Vehicle speed kmlh IMPH)
SAT747
Downshift
I
I
-
60) I901 1100) 11101
818- IKDI 1
718-
618-
2 518-
418- 1
318-
2/8-
1/8-
018
110 120 130 140 150 160 170 180
I101 120) I301 (4b1 150) (601 I701
Vehicle speed kmlh IMPH)
SAT748
AT-67

TROUBLE-SHOOTING AND DIAGNOSES
Road Testing (Cont'd)
VG30E turbo engine
I 3 144-2 I I
I
I
Kckdown range
I
I
+400~+300.+ll 811-
I
I 2-
I I
- +26 7 (+ZOO, +7 871- m
2 I
$ 14-2 1 E +13.3 (+loo, +3 941- E I -
I
I
I
I .c3
34-4
I
0 10 20 30 40 50 60 70 80 90 100 110 120 130
1101 1201 130) 1401 1501 1601 1701 180)
Vehlcle sped kmlh IMPHI
SAT749
AT-68

TROUBLE-SHOOTING AND DIAGNOSES
Road Test Symptom Chart
'D" RANGE

TROUBLE-SHOOTING AND DIAGNOSES
Trouble-shooting Chart
Numbers are arranged in order of probability
Perform
inspections starting with number one and working up Circled numberr indicate that
the rransmirrion must be removed from the
vehicle
D 2 and 1 rangal Clutch 11soi
..... @
@ LOCkUDdoan~c~scurin'4m war IL4N7181
Lock UP d- not -ur many ""IC IE4N7181
... 1. ..
0 . ... 2 3 Large bolt changinp from lock up "OFF 10 ON
AT-70

TROUBLE-SHOOTING AND DIAGNOSES
Trouble-shooting Chart (Cont'd)
Numbers are arranged m order of probability Perform inspections starting with number one
and working up Circled numberr indicate that
the transmiwon must be removed from the
vehicle
AT-71

AT-72