wiring diagram NISSAN 300ZX 1984 Z31 Automatic Transmission Workshop Manual

TROUBLE-SHOOTING AND DIAGNOSES
Inspection of Shift Pattern Change Control (Cont'd)
INSPECTION POINTS
Inspection
No
1
2
Item to be checked
Power shift indicator lamp
signals
Power shift indicator lamp
wirings
3
4 I input signals
Input wiring
5
6 I input signals
Input wiring
Output wiring 71
12
Downshift solenoid
Input wiring ~~
0 D cancel
solenoid
IO I Input signals
Output wiring l1 I
Checking method
0 Jack up rear wheels and accelerate in D range When vehicle
speed goes over 13 kmlh (8 MPHI, turn on power shift switch
Jack up rear wheels and quickly depress accelerator pedal while
in
D range To confirm if signals come out to turn on power
shift indicator lamp in the above condition, check power
shift indicator lamp for items given in chart
on page AT-75
0 Check connector between control unit and powershift
indicator lamp for proper connection and continuity
Check connectors between control unit and following sensors foi
proper connections and continuity Refer to circuit diagram on
page AT-74
Power shift switch
Throttle sensor
Vehicle speed sensor
:heck same items as inspection-3 given in chart on pages AT-75 and 76
Check connectors between control unit and following sensors for
proper wnnections and continuity Refer to circuit diagram on
page AT-74
Inhibitor switch Y2"rangeI
0 Shift switches (1-2.2-3, and 34)
:heck same items as inspection-5 given in chart on pages AT-75 and 76
Check connector between control unit and downshift solenoid for
proper connections and continuity
0 Apply 12V voltage to solenoid proper to see if it functions
normally
0 Check connector between control unit and 3-4 shift switch for
proper connections and continuity
Check item "34 shift switch" in chart on page AT-76
Check connector between control unit and 0 D cancel solenoid
for connections and continuity
Apply 12V voltage to solenoid proper to see if it functions
normally.
AT-86