Infiniti M45 (Y34). Manual — part 67
DTC P1705 THROTTLE POSITION SENSOR
AT-153
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Diagnostic Procedure
ACS001C7
1.
CHECK DTC WITH ECM
With CONSULT-II
1.
Turn ignition switch ON. (Do not start engine.)
2.
Select “SELF-DIAG RESULTS” mode for “ENGINE” with CON-
SULT-II. Refer to
EC-108, "CONSULT-II Function (ENGINE)"
.
OK or NG
OK
>> GO TO 2.
NG
>> Check the DTC detected item.Go to
●
If CAN communication line is detected, go to
"DTC U1000 CAN COMMUNICATION LINE"
2.
CHECK DTC WITH TCM
With CONSULT-II
1.
Turn ignition switch ON. (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”.
Check engine speed changes according to throttle position.
4.
Select “SELF-DIAG RESULTS” mode for “A/T” with CONSULT-
II. Refer to
AT-92, "SELF-DIAGNOSTIC RESULT MODE"
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK DTC
Perform “DTC Confirmation Procedure”. Refer to
AT-152, "DTC Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 4.
4.
CHECK TCM
1.
Check TCM input/output signal. Refer to
AT-86, "TCM Input/Output Signal Reference Values"
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.
SAT014K
PCIA0070E
AT-154
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
PFP:31940
Description
ACS00486
The A/T fluid temperature sensor detects the A/T fluid temperature and sends a signal to the TCM.
CONSULT-II Reference Value
ACS00487
On Board Diagnosis Logic
ACS00488
●
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
ACS00489
●
Harness or connectors
(The sensor circuit is open or shorted.)
●
A/T fluid temperature sensors 1, 2
DTC Confirmation Procedure
ACS0048A
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 ON. (Do not start engine.)
2.
Select “DATA MONITOR” mode for “A/T” 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
THROTTLE POSI: More than 1.0/8
Selector lever: “D” position
4.
If DTC is detected, go to
AT-156, "Diagnostic Procedure"
WITH GST
Follow the procedure “With CONSULT-II”.
Item name
Condition
Display value (Approx.)
ATF TEMP SE 1
0
°
C (32
°
F) - 20
°
C (68
°
F) - 80
°
C (176
°
F)
3.2 - 2.5 - 0.8V
ATF TEMP SE 2
3.2 - 2.4 - 0.65V
SAT014K
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
AT-155
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Wiring Diagram — AT — FTS
ACS0048B
TCWA0119E
AT-156
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
TCM terminals and data are reference value. Measured between each terminal and ground.
Diagnostic Procedure
ACS0048C
1.
CHECK INPUT SIGNALS
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”.
Without CONSULT-II
1.
Turn ignition switch ON.
2.
Check voltage between TCM connector and ground while warming up A/T. Refer to
.
3.
Turn ignition switch OFF.
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 2.
Terminal
No.
Wire
color
Item
Condition
Data (Approx.)
8
B/R
A/T fluid tempera-
ture sensor 1
IGN ON
When ATF temperature 0
°
C (32
°
F)
3.2V
When ATF temperature 20
°
C (68
°
F)
2.5V
When ATF temperature 80
°
C (176
°
F)
0.8V
15
B/W
SEL4
–
–
–
17
Y/B
A/T fluid tempera-
ture sensor 2
IGN ON
When ATF temperature about 0
°
C (32
°
F)
3.2V
When ATF temperature about 20
°
C (68
°
F)
2.4V
When ATF temperature about 80
°
C (176
°
F)
0.65V
Item name
Condition
°
C (
°
F)
Display value (Approx.)
ATF TEMP SE 1
0 (32) - 20 (68) - 80 (176)
3.2 - 2.5 - 0.8V
ATF TEMP SE 2
3.2 - 2.4 - 0.65V
PCIA0039E
Name
Connector
No.
Terminal No.
Temperature
°
C (
°
F)
Voltage (V)
(Approx.)
A/T fluid tem-
perature sen-
sor 1
F103
8 (B/R) - 5 (B), 14
(B), 24 (B) or 46 (B)
(ground)
0 (32)
3.2
20 (68)
2.5
80 (176)
0.8
A/T fluid tem-
perature sen-
sor 2
17 (Y/B) - 5 (B), 14
(B), 24 (B) or 46 (B)
(ground)
0 (32)
3.2
20 (68)
2.4
80 (176)
0.65
SCIA1162E
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