Nissan Altima 2007-2012 Service Manual: P1705 throttle position sensor
Description
Electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throttle position sensor etc. The actuator sends a signal to the ECM, and ECM sends the signal to TCM with CAN communication.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE: If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.
1.CHECK DTC DETECTION
1. Turn ignition switch ON.
2. Depress accelerator pedal fully and release it, then wait for 5 seconds.
3. Perform “SELF-DIAG RESULTS” mode for “TRANSMISSION”.
Is “P1705 TP SEN/CIRC A/T” detected? YES >> Go to TM-175, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
Diagnosis Procedure
1.CHECK DTC WITH ECM
1. Turn ignition switch ON.
2. Perform “SELF-DIAG RESULTS” mode for “ENGINE”.
Is the inspection result normal? YES >> GO TO 2.
NO >> Check DTC Detected Item. Refer to EC-1555, "DTC Index".
2.CHECK DTC WITH TCM
Perform “SELF-DIAG RESULTS” mode for “TRANSMISSION”.
Is “P1705 TP SEN/CIRC A/T” detected? YES >> Replace TCM. Refer to TM-254, "Exploded View".
NO >> GO TO 3.
3.DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal? YES >> Replace TCM. Refer to TM-254, "Exploded View".
NO >> Repair or replace damaged parts.
P1701 transmission control module
(power supply)
Description
When the power supply to the TCM is cut OFF, for example because the battery
is removed, and the self-diagnosis
memory function stops, malfunction is detected.
NOTE:
Since “P170 ...
P1722 Estm vehicle speed signal
Description
The vehicle speed signal is transmitted from ABS actuator and electric unit
(control unit) to TCM by CAN communication
line.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCED ...
Other materials:
Cooling fan
Removal and Installation
1. Fan blade
2. Fan shroud and motor assembly
REMOVAL
1. Drain engine coolant from the radiator. Refer to CO-35, "Changing Engine
Coolant".
CAUTION:
Perform when engine is cold.
2. Remove CVT control module (if equipped). Refer to TM-430, "Removal a ...
Normal operating condition
Description
XENON HEADLAMP
• The brightness and color of the light may vary slightly immediately after
turning the headlamp ON. This condition
will remain until the xenon bulb becomes stable. This is normal.
• Illumination time lag may occur between right and left. This is normal.
AUTO ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Trouble Diagnosis Flow Chart
Trouble Diagnosis Procedure
INTERVIEW WITH CUSTOMER
Interview with the customer is important to detect the root cause of CAN
communication system errors and to
understand vehicle condition and symptoms for proper trouble diagnosis. ...