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:
P0125 ECT sensor
Description
The engine coolant temperature sensor is used to detect the engine
coolant temperature. The sensor modifies a voltage signal from the
ECM. The modified signal returns to the ECM as the engine coolant
temperature input. The sensor uses a thermistor which is sensitive to
the c ...
Thermostat and thermostat housing
Removal and Installation
Gasket
Thermostat assembly (water inlet)
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns could occur
from high pressure
engine coolant escaping from the radiator. Wrap a thick cloth around the
radiator cap. Slowly turn it a
...
P1551, P1552 battery current sensor
Description
The power generation voltage variable control enables fuel consumption to be
decreased by reducing the
engine load which is caused by the power generation of the generator. The
battery current sensor is installed
to the battery cable at the negative terminal. The sensor measures ...
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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