Infiniti G20 (P11). Manual — part 49
SAT413J
Description
NCAT0070
I
Throttle position sensor
The throttle position sensor detects the throttle valve position
and sends a signal to the TCM.
I
Throttle position switch
Consists of a wide open throttle position switch and a closed
throttle position switch.
The wide open throttle position switch sends a signal to the
TCM when the throttle valve is open at least 1/2 of the full
throttle position. The closed throttle position switch sends a
signal to the TCM when the throttle valve is fully closed.
CONSULT-II REFERENCE VALUE IN DATA MONITOR
MODE
NCAT0070S01
Remarks: Specification data are reference values.
Monitor item
Condition
Specification
Throttle position sensor
Fully-closed throttle
Approximately 0.5V
Fully-open throttle
Approximately 4V
TCM TERMINALS AND REFERENCE VALUE
NCAT0070S02
Remarks: Specification data are reference values.
Terminal
No.
Wire color
Item
Condition
Judgement stan-
dard
(Approx.)
16
Y
Closed throttle
position switch
(in throttle posi-
tion switch)
When releasing accelerator pedal
after warming up engine.
Refer to “Preparation”, “TCM SELF-
DIAGNOSTIC PROCEDURE (No
Tools)”, AT-49.
Battery voltage
When depressing accelerator pedal
after warming up engine.
Refer to “Preparation”, “TCM SELF-
DIAGNOSTIC PROCEDURE (No
Tools)”, AT-49.
0V
17
LG
Wide open
throttle position
switch
(in throttle posi-
tion switch)
When depressing accelerator pedal
more than half-way after warming
up engine.
Battery voltage
When releasing accelerator pedal
after warming up engine.
0V
32
P/L
Throttle position
sensor
(Power source)
Ignition switch “ON”.
4.5 - 5.5V
Ignition switch “OFF”.
0V
41
GY
Throttle position
sensor
When depressing accelerator pedal
slowly after warming up engine.
(Voltage rises gradually in response
to throttle position.)
Fully-closed
throttle:
0.5V
Fully-open
throttle:
4V
42
B
Ground
(Throttle position
sensor)
—
—
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1705 THROTTLE POSITION SENSOR
Description
AT-193
ON BOARD DIAGNOSIS LOGIC
NCAT0070S03
Diagnostic trouble code
Malfunction is detected when ...
Check items (Possible cause)
: TP SEN/CIRC A/T
TCM receives an excessively low or high
voltage from the sensor.
I
Harness or connectors
(The sensor circuit is open or shorted.)
I
Throttle position sensor
I
Throttle position switch
: P1705
SAT014K
SAT971J
SAT014K
SEF949Y
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION
PROCEDURE
NCAT0070S04
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)
Apply vacuum to the throttle opener, then check the following.
Refer to steps from 1 to 5 of “Preparation”, “TCM SELF-DIAG-
NOSTIC PROCEDURE (No Tools)”, AT-49.
2)
Turn ignition switch “ON” and select “TCM INPUT SIGNALS”
in DATA MONITOR” mode for “A/T” with CONSULT-II.
3)
Check the following.
Accelerator pedal
condition
THRTL POS SEN
CLOSED THL/SW
W/O THRL/P·SW
Fully released
Less than 4.7V
ON
OFF
Partially
depressed
0.1 - 4.6V
OFF
OFF
Fully depressed
1.9 - 4.6V
OFF
ON
If the check result is NG, go to “DIAGNOSTIC PROCEDURE”,
AT-197.
If the check result is OK, go to following step.
4)
Turn ignition switch “ON” and select “DATA MONITOR” mode
for “ENGINE” with CONSULT-II.
5)
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 “ON”)
If the check result is NG, go to “DIAGNOSTIC PROCEDURE”,
AT-197.
If the check result is OK, go to following step.
6)
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 “ON”)
DTC P1705 THROTTLE POSITION SENSOR
Description (Cont’d)
AT-194
With GST
Follow the procedure “With CONSULT-II”.
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1705 THROTTLE POSITION SENSOR
Description (Cont’d)
AT-195
Wiring Diagram — AT — TPS
NCAT0212
TAT236
DTC P1705 THROTTLE POSITION SENSOR
Wiring Diagram — AT — TPS
AT-196
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