Nissan Maxima Service and Repair Manual: P0725 engine speed
Description
The engine speed signal is transmitted from ECM 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 10 consecutive seconds.
Diagnosis Procedure
1.CHECK DTC WITH ECM
With CONSULT
- Turn ignition switch ON.
- Perform "Self Diagnostic Results" in "ENGINE".
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.
P0720 output speed sensor
Description
The secondary speed sensor detects the revolution of the CVT output shaft and
emits a pulse signal. The
pulse signal is transmitted to the TCM, which converts it into vehicle speed.
...
P0730 incorrect gear ratio
Description
TCM selects the gear ratio using the engine load (throttle position), the
primary pulley revolution speed, and
the secondary pulley revolution speed as input signals. Then it changes ...
Other materials:
P0222, P0223 TP sensor
Description
Electric throttle control actuator consists of throttle control motor,
throttle position sensor, etc. The throttle position sensor responds to
the throttle valve movement.
The throttle position sensor has two sensors. These sensors are a
kind of potentiometer which transfor ...
Headlamp (LO) circuit
Description
The IPDM E/R (intelligent power distribution module engine room) controls the
headlamp low relay based on inputs from the BCM over the CAN communication
lines. When the headlamp low relay is energized, power flows through fuses 51
and 52, located in the IPDM E/R. Power then flows ...
Optical sensor
Exploded View
Optical sensor
LH front tweeter speaker grille
Optical sensor harness connector
LH front tweeter speaker
Instrument panel
Removal and Installation
CAUTION: Whenever a suitable tool is used,
always wrap a cloth around the end of the tool to protect components from ...
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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