Nissan Silvia. Instruction — part 27
SAT851JC
Component Inspection
NMAT0223
THROTTLE POSITION SWITCH
NMAT0223S01
Closed Throttle Position Switch (Idle position)
NMAT0223S0101
I
Check continuity.
Terminals
Connector
Accelerator
pedal condi-
tion
Terminal No. (Wire color)
Continuity
F34
Released
4 (LG)
5 (G/OR)
Yes
Depressed
No
I
To adjust closed throttle position switch, refer to EC-50, “Basic
Inspection”.
SAT852JC
Wide Open Throttle Position Switch
NMAT0223S0102
I
Check continuity.
Terminals
Connector
Accelerator
pedal condi-
tion
Terminal No. (Wire color)
Continuity
F34
Released
5 (G/OR)
6 (R)
No
Depressed
Yes
GI
MA
EM
LC
EC
FE
CL
MT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS FOR THROTTLE POSI SEN
Component Inspection
AT-105
SAT341H
Description
NMAT0224
Shift solenoid valves A and B are turned “ON” or “OFF” by the TCM
in response to signals sent from the PNP switch, vehicle speed and
throttle position sensors. Gears will then be shifted to the optimum
position.
Gear position
1
2
3
4
Shift solenoid valve A
ON (Closed)
OFF (Open)
OFF (Open)
ON (Closed)
Shift solenoid valve B
ON (Closed)
ON (Closed)
OFF (Open)
OFF (Open)
TCM TERMINALS AND REFERENCE VALUE
NMAT0224S01
Remarks: Specification data are reference values.
Terminal
No.
Wire color
Item
Condition
Judgement
standard
(Approx.)
11
R/W
Shift solenoid
valve A
When shift solenoid valve A operates.
(When driving in “D
1
” or “D
4
”.)
Battery voltage
When shift solenoid valve A does not oper-
ate.
(When driving in “D
2
” or “D
3
”.)
0V
ON BOARD DIAGNOSIS LOGIC
NMAT0224S02
Diagnostic trouble code
Malfunction is detected when ...
Check item (Possible cause)
: SHIFT SOLENOID/V A
TCM detects an improper voltage drop
when it tires to operate the solenoid
valve.
I
Harness or connectors
(The solenoid circuit is open or shorted.)
I
Shift solenoid valve A
: 4th judgement flicker
TROUBLE DIAGNOSIS FOR SHIFT SOLENOID/V A
Description
AT-106
SAT014K
SAT809H
SELF-DIAGNOSIS CODE CONFIRMATION PROCEDURE
=NMAT0224S04
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
WITH CONSULT-II
NMAT0224S05
1)
Start engine.
2)
Select “SELF-DIAG RESULTS” mode for “A/T” with CON-
SULT-II.
3)
Drive vehicle in D
1
,
D
2
position.
WITHOUT CONSULT-II
NMAT0224S06
1)
Start engine.
2)
Drive vehicle in D
1
,
D
2
position.
3)
Perform self-diagnosis.
Refer
to
SELF-DIAGNOSTIC
PROCEDURE
(Without
CONSULT-II), AT-37.
GI
MA
EM
LC
EC
FE
CL
MT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS FOR SHIFT SOLENOID/V A
Description (Cont’d)
AT-107
Wiring Diagram — AT — SSV/A
NMAT0225
TAT258
TROUBLE DIAGNOSIS FOR SHIFT SOLENOID/V A
Wiring Diagram — AT — SSV/A
AT-108
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