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:
P0452 EVAP Control system pressure sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0452
EVAP SYS PRES SEN
(Evaporative emission system
pressure sensor/switch low)
An excessively low voltage from the
sensor is se ...
P0122, P0123 TP Sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0643, first perform the
trouble diagnosis for DTC P0643.
Refer to EC-353, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible caus ...
B142A Ignition voltage
Description
DTC B142A IGNITION VOLTAGE
Ignition voltage is supplied to the air bag diagnosis sensor unit when the
ignition is in the ON position. The air
bag diagnosis sensor unit will monitor for low or high ignition voltage.
PART LOCATION
Refer to SRC-5, "Component Parts Location" ...
