Nissan Maxima Service and Repair Manual: P1722 vehicle speed
Description
The vehicle speed signal is transmitted from ABS actuator and electric unit (control unit) to TCM via CAN communication line.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
NOTE: Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.
1.CHECK DTC DETECTION
With CONSULT
-
Turn ignition switch ON.
-
Select "Data Monitor" in "TRANSMISSION".
-
Start engine and maintain the following conditions for at least 5 consecutive seconds.
ACC PEDAL OPEN : 1.0/8 or less
VEHICLE SPEED : 30 km/h (19 MPH) or more
Diagnosis Procedure
1.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
With CONSULT
Perform "Self Diagnostic Results" in "ABS".
2.CHECK DTC WITH TCM
With CONSULT
Perform "Self Diagnostic Results" in "TRANSMISSION".
3.DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.
P1709 incompleted data writing
Description
When TCM does not store calibration data (individual
characteristic value) of each solenoid valve that is
stored in the ROM assembly (in the control valve), a malfunction is detected. ...
P1723 speed sensor
Description
The secondary speed sensor detects the revolution of
parking gear and generates a pulse signal. The pulse
signal is sent to the TCM, which converts it into vehicle speed.
The prima ...
Other materials:
Chassis & body maintenance
Abbreviations: I = Inspect and correct or replace as necessary, R =
Replace,
NOTE:
Maintenance items with " " should be performed more frequently according
to "Maintenance under severe driving conditions".
(1) If towing a trailer, using a camper or a car-top carrier or driving on ro ...
Heated steering wheel switch (if so equipped)
The heated steering wheel system is designed to
operate only when the surface temperature of the
steering wheel is below 68F (20C).
Push the heated steering wheel switch to warm
the steering wheel after the engine starts. The
indicator light will come on.
If the surface temperature of ...
B2578, B2579 in-vehicle sensor
Description
In-vehicle Sensor
The in-vehicle sensor (1) is located on instrument lower cover
(LH).
It converts variations in compartment air temperature drawn from
the aspirator into a resistance value. It is then input into the A/C
auto amp.
In-vehicle Sensor Circuit
Aspira ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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