Infiniti G20 (P11). Manual — part 46
SAT283HB
Description
NCAT0064
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
NCAT0064S01
Remarks: Specification data are reference values.
Terminal
No.
Wire color
Item
Condition
Judgement stan-
dard
(Approx.)
11
L/W
Shift solenoid
valve A
When shift solenoid valve A oper-
ates.
(When driving in “D
1
” or “D
4
”.)
Battery voltage
When shift solenoid valve A does
not operate.
(When driving in “D
2
” or “D
3
”.)
0V
ON BOARD DIAGNOSIS LOGIC
NCAT0064S02
Diagnostic trouble code
Malfunction is detected when ...
Check items (Possible cause)
: SFT SOL A/CIRC
TCM detects an improper voltage drop
when it tries to operate the solenoid
valve.
I
Harness or connectors
(The solenoid circuit is open or shorted.)
I
Shift solenoid valve A
: P0750
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0750 SHIFT SOLENOID VALVE A
Description
AT-181
SAT014K
SEF949Y
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION
PROCEDURE
NCAT0064S03
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DURE” has been previously conducted, always turn ignition
switch “OFF” and wait at least 5 seconds before conducting
the next test.
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
With CONSULT-II
1)
Turn ignition switch “ON” and select “DATA MONITOR” mode
for “ENGINE” with CONSULT-II.
2)
Start engine.
3)
Drive vehicle in D position and allow the transmission to shift
“1”
,
“2” (“GEAR”).
With GST
Follow the procedure “With CONSULT-II”.
DTC P0750 SHIFT SOLENOID VALVE A
Description (Cont’d)
AT-182
Wiring Diagram — AT — SSV/A
NCAT0210
TAT234
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0750 SHIFT SOLENOID VALVE A
Wiring Diagram — AT — SSV/A
AT-183
Diagnostic Procedure
NCAT0065
1
CHECK VALVE RESISTANCE
1. Turn ignition switch to “OFF” position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal 2 and ground.
Resistance:
20 - 40
Ω
SAT900J
OK or NG
OK
©
GO TO 2.
NG
©
1. Remove control valve assembly. Refer to AT-280.
2. Check the following items:
I
Shift solenoid valve A
Refer to “Component Inspection”, AT-186.
I
Harness of terminal cord assembly for short or open
DTC P0750 SHIFT SOLENOID VALVE A
Diagnostic Procedure
AT-184
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