Nissan Altima 2007-2012 Service Manual: P0730 belt damage
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 signal. Then it changes the operating pressure of the primary pulley and the secondary pulley and changes the groove width of the pulley.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
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. Select “DATA MONITOR”.
3. Make sure that output voltage of CVT fluid temperature sensor is within the range below.
ATF TEMP SEN : 1.0 – 2.0 V
If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid)
4. Start engine and maintain the following conditions for at least 30 consecutive seconds.
Is “P0730 BELT DAMG” detected? YES >> Go to TM-143, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
Diagnosis Procedure
1.CHECK DTC
1. Turn ignition switch ON.
2. Perform “SELF-DIAG RESULTS” mode for “TRANSMISSION”.
Are any DTC displayed? YES-1 >> DTC for “P0730 BELT DAMG” is displayed: Go to replace transaxle assembly. Refer to TM-259, "Exploded View".
YES-2 >> DTC except for “P0730 BELT DAMG” is displayed: Go to check DTC detected item. Refer to TM- 221, "DTC Index".
NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
P0725 engine speed signal
Description
The engine speed signal is sent from the ECM to the TCM by CAN communication
line.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a sa ...
P0740 torque converter clutch solenoid
valve
Description
• The torque converter clutch solenoid valve is activated by the TCM in
response to signals sent from the vehicle
speed and accelerator pedal position sensors. Lock-up piston operati ...
Other materials:
P1715 input speed sensor (primary
speed sensor)
Description
ECM receives primary speed sensor signal from TCM through CAN communication
line. ECM uses this signal
for engine control.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC P1715 is displayed with DTC UXXXX, first perform the trouble diagnosis
for DTC U1000,XXXX.
• If DTC P ...
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 potentiometers which transform the ...
BCM (Body control module)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
Terminal Layout
Physical Values
1: Sedan only
2: With LH front window anti-pinch
3: With LH and RH front window anti-pinch
4: With Intelligent Key
5: Without Intelligent Key
Wiring Diagram-Sedan
...