Infiniti F50. Instruction - page 65
DTC P1705 THROTTLE POSITION SENSOR
AT-145
D
E
F
G
H
I
J
K
L
M
A
B
AT
2.
CHECK DTC WITH TCM
With CONSULT-II
1.
Turn ignition switch to “ON” position. (Do not start engine.)
2.
Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3.
Depress accelerator pedal and read out the value of “ACCLE
POS” and “THROTTLE POSI”.
Check engine speed changes according to throttle position.
4.
Select “SELF-DIAG RESULTS” mode for “ENGINE” with CON-
SULT-II. Refer to
EC-112, "SELF-DIAG RESULTS MODE"
.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK DTC
Perform “DTC Confirmation Procedure”. Refer to
AT-144, "DTC Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 4.
4.
PERFORM 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 or replace damaged parts.
PCIA0070E
AT-146
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
PFP:31940
Description
ECS0085P
The A/T fluid temperature sensor detects the A/T fluid temperature and sends a signal to the TCM.
CONSULT-II Reference Value
ECS0085Q
On Board Diagnosis Logic
ECS0085R
●
This is an OBD-II self-diagnostic item.
●
Diagnostic trouble code “ATF TEMP SEN/CIRC” with CONSULT-II or P1710 (A/T), P0710 (ENGINE) with-
out CONSULT-II is detected when TCM receives an excessively low or high voltage from the sensor.
Possible Cause
ECS0085S
●
Harness or connectors
(The sensor circuit is open or shorted.)
●
A/T fluid temperature sensors 1, 2
DTC Confirmation Procedure
ECS0085T
CAUTION:
Always drive vehicle at a safe speed.
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.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1.
Turn ignition switch to “ON” position. (Do not start engine.)
2.
Select “DATA MONITOR” mode for “ENGINE” with CONSULT-II.
3.
Start engine and maintain the following conditions for at least 10
minutes (Total). (It is not necessary to maintain continuously.)
VHCL SPEED SE: 10 km/h (6 MPH) or more
THRTL POS SEN: More than 1.0/8
Selector lever: “D” position
4.
If DTC is detected, go to
AT-148, "Diagnostic Procedure"
.
WITH GST
Follow the procedure “With CONSULT-II”.
Item name
Condition
Display value (Approx.) (V)
Fluid temperature sensor 1
0
°
C (32
°
F) - 20
°
C (68
°
F) - 80
°
C (176
°
F)
2.2 - 1.8 - 0.6
Fluid temperature sensor 2
2.2 - 1.7 - 0.45
SAT014K
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
AT-147
D
E
F
G
H
I
J
K
L
M
A
B
AT
Wiring Diagram — AT — FTS
ECS0085U
TCM terminals and data are reference value. Measured between each terminal and ground.
TCWM0011E
Terminal
No.
Wire
color
Item
Condition
Data (Approx.)
8
B/R
Fluid temperature
sensor 1
IGN ON
When ATF temperature 0
°
C (32
°
F)
2.2V
When ATF temperature 20
°
C (68
°
F)
1.8V
When ATF temperature 80
°
C (176
°
F)
0.6V
15
B/W
SEL4
–
–
–
17
Y/B
Fluid temperature
sensor 2
IGN ON
When ATF temperature about 0
°
C (32
°
F)
2.2V
When ATF temperature about 20
°
C (68
°
F)
1.7V
When ATF temperature about 80
°
C (176
°
F)
0.45V
AT-148
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
Diagnostic Procedure
ECS0085V
1.
CHECK INPUT SIGNALS (WITH CONSULT-II)
With CONSULT-II
1.
Start engine.
2.
Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3.
Read out the value of “ATF TEMP SE 1” or “ATF TEMP SE 2”.
OK or NG
OK >> GO
TO
7.
NG
>> GO TO 3.
2.
CHECK INPUT SIGNALS (WITHOUT CONSULT-II)
Without CONSULT-II
1.
Start engine.
2.
Check voltage between TCM connector and ground while warming up A/T. Refer to
AT-147, "Wiring Dia-
gram — AT — FTS"
.
3.
Turn ignition switch to “OFF” position.
4.
Disconnect the TCM connector.
5.
Check if there is continuity between the connector terminal and ground.
OK or NG
OK >> GO
TO
7.
NG
>> GO TO 3.
Item name
Condition
°
C (
°
F)
Display value (Approx.) V
Fluid temperature
sensor 1
0 (32) - 20 (68) - 80 (176)
2.2 - 1.8 - 0.6
Fluid temperature
sensor 2
2.2 - 1.7 - 0.45
PCIA0039E
Name
Connector
No.
Terminal No.
Temperature
°
C (
°
F)
Voltage (V)
(Approx.)
Fluid tempera-
ture sensor 1
F103
8 (B/R) - 5 (B), 14
(B), 24 (B) or 46 (B)
(ground)
0 (32)
2.2
20 (68)
1.8
80 (176)
0.6
Fluid tempera-
ture sensor 2
17 (Y/B) - 5 (B), 14
(B), 24 (B) or 46 (B)
(ground)
0 (32)
2.2
20 (68)
1.7
80 (176)
0.45
SCIA1162E