Infiniti I35 (A33). Manual — part 35
Possible Cause
NHAT0217
Check the following items.
I
Shift solenoid valve B
I
Each clutch
I
Hydraulic control circuit
SAT014K
SAT860K
SAT021J
Diagnostic Trouble Code (DTC) Confirmation
Procedure
NHAT0218
CAUTION:
I
Always drive vehicle at a safe speed.
I
Be careful not to rev engine into the red zone on the
tachometer.
NOTE:
If “DTC Confirmation Procedure” has been previously conducted,
always turn ignition switch OFF and wait at least 10 seconds before
conducting the next test.
TESTING CONDITION:
Always drive vehicle on a level road to improve the accuracy
of test.
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
WITH CONSULT-II
NHAT0218S01
1)
Start engine and select “DATA MONITOR” mode for “A/T” with
CONSULT-II.
2)
Make sure that output voltage of A/T fluid temperature sensor
is within the range below.
FLUID TEMP SEN: 0.4 - 1.5V
If out of range, drive the vehicle to decrease the voltage (warm
up the fluid) or stop engine to increase the voltage (cool down
the fluid).
3)
Select “2ND GR FNCTN P0732” of “DTC WORK SUPPORT”
mode for “A/T” with CONSULT-II and touch “START”.
4)
Accelerate vehicle to 45 to 50 km/h (28 to 31 MPH) under the
following condition and release the accelerator pedal com-
pletely.
THROTTLE POSI: Less than 1.0/8
Selector lever: D position (O/D ON)
I
Check that “GEAR” shows “3” or “4” after releasing pedal.
5)
Depress accelerator pedal to WOT (more than 7.0/8 of
“THROTTLE POSI”) quickly from a speed of 45 to 50 km/h (28
to 31 MPH) until “TESTING” changes to “STOP VEHICLE” or
“COMPLETE”. (It will take approximately 3 seconds.)
If the check result NG appears on CONSULT-II screen, go to
“DIAGNOSTIC PROCEDURE”, AT-140.
If “STOP VEHICLE” appears on CONSULT-II screen, go to
following step.
I
Check that “GEAR” shows “2” when depressing accelera-
tor pedal to WOT.
I
If “TESTING” does not appear on CONSULT-II for a long
time, select “SELF-DIAG RESULTS” for “ENGINE”. In case
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0732 A/T 2ND GEAR FUNCTION
Possible Cause
AT-137
a 1st trip DTC other than P0732 is shown, refer to appli-
cable “TROUBLE DIAGNOSIS FOR DTC”.
6)
Stop vehicle.
7)
Follow the instruction displayed. (Check for normal shifting
referring to the table below.)
Vehicle condition
Gear on actual transmission shift pattern when
screen is changed to 1
,
2
,
3
,
4
No malfunction exists
1
,
2
,
3
,
4
Malfunction for P0732 exists.
4
,
3
,
3
,
4
8)
Make sure that “OK” is displayed. (If “NG” is displayed, refer
to “DIAGNOSTIC PROCEDURE”.)
Refer to AT-140, “DIAGNOSTIC PROCEDURE”.
Refer to AT-381, “Shift Schedule”.
WITH GST
NHAT0218S02
Follow the procedure “With CONSULT-II”.
DTC P0732 A/T 2ND GEAR FUNCTION
Diagnostic Trouble Code (DTC) Confirmation Procedure (Cont’d)
AT-138
Wiring Diagram — AT — 2ND
NHAT0050
MAT477B
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0732 A/T 2ND GEAR FUNCTION
Wiring Diagram — AT — 2ND
AT-139
Diagnostic Procedure
NHAT0051
1
CHECK SHIFT SOLENOID VALVE RESISTANCE
1. Remove control valve assembly. Refer to AT-282.
I
Shift solenoid valve B
2. Check resistance to the terminal and ground.
SAT824K
OK or NG
OK
©
GO TO 2.
NG
©
Repair or replace shift solenoid valve assembly.
2
CHECK SHIFT SOLENOID VALVE OPERATION
1. Remove control valve assembly. Refer to AT-282.
I
Shift solenoid valve B
2. Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal and ground.
SAT825K
OK or NG
OK
©
GO TO 3.
NG
©
Repair or replace shift solenoid valve assembly.
DTC P0732 A/T 2ND GEAR FUNCTION
Diagnostic Procedure
AT-140
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