2001 INFINITI QX4 Factory Service Manual

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Page 177 of 2395

INFINITI QX4 2001 Factory Service Manual SAT341H
DescriptionNBAT0063Shift solenoid valves A and B are turned ªONº or ªOFFº by the TCM
in response to signals sent from the PNP switch, vehicle speed and
throttle position sensors. Gears wil

Page 178 of 2395

INFINITI QX4 2001 Factory Service Manual Wiring Diagram Ð AT Ð SSV/BNBAT0198
MAT739A
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0755 SHIFT SOLENOID VALVE B
Wiring Diagram Ð AT Ð SSV/B
AT-173

Page 179 of 2395

INFINITI QX4 2001 Factory Service Manual Diagnostic ProcedureNBAT0064
1 CHECK VALVE RESISTANCE
1. Turn ignition switch to ªOFFº position.
2. Disconnect terminal cord assembly connector on the right side of transfer assembly.
3. Check resis

Page 180 of 2395

INFINITI QX4 2001 Factory Service Manual 5 CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK©INSPECTION END
NG©Repair

Page 181 of 2395

INFINITI QX4 2001 Factory Service Manual SAT142K
DescriptionNBAT0066IThrottle position sensor
The throttle position sensor detects the throttle valve position
and sends a signal to the TCM.
IThrottle position switch
Consists of a wide open t

Page 182 of 2395

INFINITI QX4 2001 Factory Service Manual ON BOARD DIAGNOSIS LOGICNBAT0066S04
Diagnostic trouble code Malfunction is detected when ... Check item (Possible cause)
: TP SEN/CIRC A/T
TCM receives an excessively low or high
voltage from the sens

ON BOARD DIAGNOSIS LOGICNBAT0066S04
Diagnostic trouble code Malfunction is detected when ... Check item (Possible cause)
: TP SEN/CIRC A/T
TCM receives an excessively low or high
voltage from the sensor.IHarness or connectors
(The solenoid circuit is open or shorted.)
IThrottle position sensor
IThrottle position switch
: P1705
SAT014K
SAT971J
SAT014K
SAT020K
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION
PROCEDURE
NBAT0066S01CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If ªDIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DUREº has been previously conducted, always turn ignition
switch ªOFFº 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 ªONº and select ªDATA MONITORº mode
for ªA/Tº with CONSULT-II.
2) Apply vacuum to the throttle opener, then check the following.
Refer to steps 1 and 2 of ªPreparationº, ªTCM SELF-DIAG-
NOSTIC PROCEDURE (No Tools)º, AT-46.
Accelerator pedal
conditionTHRTL POS SEN CLOSED THL/SW W/O THRL/P´SW
Fully released Less than 4.7V ON OFF
Partially
depressed0.1 - 4.6V OFF OFF
Fully depressedMore than
1.9 - 4.6VOFF ON
If the check result is NG, go to ªDIAGNOSTIC PROCEDUREº,
AT-180.
If the check result is OK, go to following step.
3) Turn ignition switch ªONº and select ªDATA MONITORº mode
for ªENGINEº with CONSULT-II.
4) Start engine and maintain the following conditions for at least
3 consecutive seconds. Then release accelerator pedal com-
pletely.
VHCL SPEED SE: 10 km/h (6 MPH) or more
THRTL POS SEN: Approximately 3V or less
Selector lever: D position (OD ªONº)
If the check result is NG, go to ªDIAGNOSTIC PROCEDUREº,
AT-180.
If the check result is OK, go to following step.
5) Maintain the following conditions for at least 3 consecutive
seconds. Then release accelerator pedal completely.
VHCL SPEED SE: 10 km/h (6 MPH) or more
Accelerator pedal: Wide open throttle
Selector lever: D position (OD ªONº)
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1705 THROTTLE POSITION SENSOR
Description (Cont'd)
AT-177

Page 183 of 2395

INFINITI QX4 2001 Factory Service Manual With GST
Follow the procedure ªWith CONSULT-IIº.
DTC P1705 THROTTLE POSITION SENSOR
Description (Contd)
AT-178

Page 184 of 2395

INFINITI QX4 2001 Factory Service Manual Wiring Diagram Ð AT Ð TPSNBAT0199
MAT915A
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1705 THROTTLE POSITION SENSOR
Wiring Diagram Ð AT Ð TPS
AT-179

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