Nissan Sentra Service Manual: Inspection and adjustment
Additional service when replacing control unit
Additional service when replacing control unit : description
Memory reset procedure
- Please observe the following instructions at confirming the moonroof operation.
Note:
Do not disconnect the electronic power while the moonroof is operating or within 5 seconds after the moonroof stops. (to wipe-out the memory of lid position and operating friction.)
- Initialization of system should be conducted after the following conditions.
- When the moonroof motor is changed.
- When the moonroof does not operate normally. (Incomplete initialization conditions)
Additional service when replacing control unit : special repair requirement
Initialization procedure
If the moonroof does not open or close automatically, use the following procedure to return moonroof operation to normal.
Note:
If the moonroof switch is released at any time during step 4, the procedure must be started over again. Leave the ignition switch ON for at least 2 seconds after this procedure.
- Push the ignition switch to the ON position.
- Hold the moonroof switch in the close/tilt up position. Release the switch when the moonroof has reached the full tilt up position and reverses slightly.
- Push and hold the tilt up switch within 4 seconds of step 2.
- The moonroof will begin moving within 4 seconds. From the full tilt-up ƒ¸ slide-close ƒ¸ slide-open ƒ¸ slide-close ƒ¸ tilt-up ƒ¸ slide-close. Release the switch, initialization is complete if the moonroof operates normally.
Anti-pinch function
- Fully open the moonroof to the full open position.
- Place a piece of wood at the fully closed position.
- Close the moonroof completely with auto-slide close function.
- Moonroof should make contact and then tilt up in reverse for 150mm (5.91 In.) (Approx.).
Caution:
- Do not test the anti-pinch function with your hands or other part of body parts because they may be pinched.
- Depending on environment and driving conditions, if a similar impact or load is applied to the moonroof it may lower.
- Test the auto-slide operation before inspection when the system initialization is performed.
- Perform the initialization procedure when the auto-slide operation or anti-pinch function does not operate normally.
Diagnosis and repair workflow
Work flow
Overall sequence
Detailed flow
1. Obtain information about symptom
Interview the customer to obtain as much information as possible about the
conditions and environment under
whic ...
Other materials:
General maintenance
During the normal day-to-day operation of the
vehicle, general maintenance should be performed
regularly as prescribed in this section. If
you detect any unusual sounds, vibrations or
smells, be sure to check for the cause or have a
NISSAN dealer do it promptly. In addition, you
should notify ...
P0643 Sensor power supply
Description
ECM supplies a voltage of 5.0 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the shorted-circui ...
Power supply and ground circuit
Av control unit
Av control unit : diagnosis procedure
Regarding Wiring Diagram information, refer to AV-234, "Wiring Diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown?
Yes >> replace the blown fuse after repairing the affected circuit.
...
