Nissan Frontier D22. Manual — part 89
DTC P1705 THROTTLE POSITION SENSOR
AT-325
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
Diagnostic Procedure
ECS007NL
1.
CHECK DTC WITH ECM
Perform diagnostic test mode II (self-diagnostic results) for engine control. Refer to
(VG33E only) or
(VG33ER only), “Malfunction Indicator Lamp (MIL)”.
OK or NG
OK
>> GO TO 2.
NG
>> Check throttle position sensor circuit for engine control. Refer to
EC-1350, "DTC P0121 TP SENSOR"
2.
CHECK INPUT SIGNAL
With CONSULT-II
1.
Turn ignition switch to ON position.
(Do not start engine.)
2.
Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
3.
Read out the value of “THRTL POS SEN”.
Without CONSULT-II
1.
Turn ignition switch to ON position.
(Do not start engine.)
2.
Check voltage between TCM terminals 41 and 42 while acceler-
ator pedal is depressed slowly.
OK or NG
OK (With CONSULT-II)>>GO TO 3.
OK (Without CONSULT-II)>>GO TO 4.
NG
>> Check harness for short or open between ECM and TCM regarding throttle position sensor circuit.
(Main harness)
Voltage
Fully-closed throttle
: Approximately 0.5V
Fully-open throttle
: Approximately 4V
Voltage
Fully-closed throttle
valve
: Approximately 0.5V
Fully-open throttle
valve
: Approximately 4V
(Voltage rises gradually
in response to throttle
position.)
SAT614J
AAT474A
AT-326
[RE4R01A]
DTC P1705 THROTTLE POSITION SENSOR
3.
CHECK THROTTLE POSITION SWITCH CIRCUIT (WITH CONSULT-II)
With CONSULT-II
1.
Turn ignition switch to ON position.
(Do not start engine.)
2.
Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
3.
Read out “CLOSED THL/SW” and “W/O THRL/P-SW” depressing and releasing accelerator pedal.
Check the signal of throttle position switch is indicated properly.
OK or NG
OK
>> GO TO 5.
NG
>> Check the following items:
●
Throttle position switch
Refer to
AT-328, "THROTTLE POSITION SWITCH"
●
Harness for short or open between ignition switch and throttle position switch (Main harness)
●
Harness for short or open between throttle position switch and TCM (Main harness)
SAT646J
MTBL0011
DTC P1705 THROTTLE POSITION SENSOR
AT-327
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
4.
CHECK THROTTLE POSITION SWITCH CIRCUIT (WITHOUT CONSULT-II)
Without CONSULT-II
1.
Turn ignition switch to ON position.
(Do not start engine.)
2.
Check voltage between TCM connector M77 terminals 16 (BR/W), 17 (OR/B) and ground while depress-
ing, and releasing accelerator pedal slowly. (after warming up engine)
OK or NG
OK
>> GO TO 5.
NG
>> Check the following items:
●
Throttle position switch
Refer to
AT-328, "THROTTLE POSITION SWITCH"
.
●
Harness for short or open between ignition switch and throttle position switch (Main harness)
●
Harness for short or open between throttle position switch and TCM (Main harness)
5.
CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure. Refer to
CODE (DTC) CONFIRMATION PROCEDURE"
OK or NG
OK
>> INSPECTION END
NG
>> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
WAT337
AT-328
[RE4R01A]
DTC P1705 THROTTLE POSITION SENSOR
Component Inspection
ECS007NM
THROTTLE POSITION SWITCH
Closed Throttle Position Switch (Idle position)
●
Check continuity between terminals 4 and 5.
●
To adjust closed throttle position switch, refer to
(VG33E only) or
(VG33ER only).
Wide Open Throttle Position Switch
●
Check continuity between terminals 5 and 6.
Accelerator pedal condition
Continuity
Released
Yes
Depressed
No
AAT498A
Accelerator pedal condition
Continuity
Released
No
Depressed
Yes
AAT499A
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст