Nissan Versa (N17): Precautions
Precaution for supplemental restraint system
(SRS) "Air bag" and "Seat belt pre-tensioner"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER",
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage
front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment,
and may only deploy one front
air bag, depending on the severity of a collision and whether the front
occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB
section of this Service Manual.
WARNING:
- To avoid rendering the SRS inoperative, which could increase the
risk of personal injury or death in
the event of a collision which would result in air bag inflation, all
maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
- Improper maintenance, including incorrect removal and installation
of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of
Spiral Cable and Air Bag
Module, see the SR section.
- Do not use electrical test equipment on any circuit related to the
SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or
orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
- When working near the Airbag Diagnosis Sensor Unit or other Airbag
System sensors with the Ignition
ON or engine running, DO NOT use air or electric power tools or strike near
the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air
bag(s), possibly causing
serious injury.
- When using air or electric power tools or hammers, always switch
the Ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution for Procedure without Cowl Top Cover
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc to prevent damage to
windshield.

Precaution for TCM and Transaxle Assembly Replacement
CAUTION:
- To replace TCM, refer to TM "Description".
- To replace transaxle assembly, refer to TM "Description".
Precaution for G Sensor Removal/Installation or
Replacement
CAUTION:
To remove/install or replace G sensor, refer to TM "Description".
General precautions
- Turn ignition switch OFF and disconnect the battery cable
from the negative terminal before connecting or disconnecting
the CVT assembly harness connector. Because battery
voltage is applied to TCM even if ignition switch is turned
OFF.

- When connecting or disconnecting pin connectors into or
from TCM, do not damage pin terminals (bend or break).
Check that there are not any bends or breaks on TCM pin terminal,
when connecting pin connectors.

- Perform TCM input/output signal inspection and check
whether TCM functions normally or not before replacing TCM.
Refer to TM "Reference Value".

- Perform "DTC (Diagnostic Trouble Code) CONFIRMATION
PROCEDURE".
If the repair is completed DTC should not be displayed in the
"DTC CONFIRMATION PROCEDURE".

- Always use the specified brand of CVT fluid. Refer to MA "Fluids and
Lubricants".
- Use lint-free paper not cloth rags during work.
- Dispose of the waste oil using the methods prescribed by law, ordinance,
etc. after replacing the CVT fluid.
On board diagnosis (OBD) System of CVT and
Engine
The ECM has an on board diagnostic system. It will light up the malfunction
indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:
- Be sure to turn the ignition switch OFF and disconnect the battery
cable from the negative terminal
before any repair or inspection work. The open/short circuit of related
switches, sensors, solenoid
valves, etc. will cause the MIL to light up.
- Be sure to connect and lock the connectors securely after work. A
loose (unlocked) connector will
cause the MIL to light up due to an open circuit. (Be sure the connector is
free from water, grease,
dirt, bent terminals, etc.)
- Be sure to route and secure the harnesses properly after work.
Interference of the harness with a
bracket, etc. may cause the MIL to light up due to a short circuit.
- Be sure to connect rubber tubes properly after work. A
misconnected or disconnected rubber tube
may cause the MIL to light up due to a malfunction of the EGR system or fuel
injection system, etc.
- Be sure to erase the unnecessary malfunction information (repairs
completed) from the TCM and
ECM before returning the vehicle to the customer.
Removal and installation procedure for CVT Unit
connector
REMOVAL
- Rotate bayonet ring (A) counterclockwise. Pull out CVT unit harness
connector (B) upward and remove it.

INSTALLATION
- Align marking (A) on CVT unit harness connector terminal with
marking (B) on bayonet ring. Insert CVT unit harness connector.
- Rotate bayonet ring clockwise.

3. Rotate bayonet ring clockwise until marking
(A) on CVT unit harness
connector terminal body is aligned with the slit (B) on bayonet
ring as shown in the figure (correctly fitting condition).

CAUTION:
- Securely align marking (A) on CVT unit harness connector
terminal body with bayonet ring slit (B). Then, be careful
not to make a half fit condition as shown in the figure.
- Do not mistake the slit of bayonet ring for other dent portion.

PREPARATION
Special Service Tools

*: The O-ring as an unit part is set as a SST.
Commercial Service Tools

General Specification
CAUTION:
Use only Genuine NISSAN Matic S ATF. Do not mix with other ATF.
Using ATF other than Genuine NISSAN Matic S ATF will cause
deterioration of driv ...
CVT CONTROL SYSTEM
CVT CONTROL SYSTEM : Component Parts Location
1. IPDM E/R 2. TCM 3. Transmission range switch
4. Primary speed sensor 5. CVT unit 6. Output speed sensor
7. Secondary speed s ...
Other materials:
Clutch pedal
Exploded View
1. Clutch pedal 2. Pedal stopper rubber 3. Pedal pad
4. Clip 5. Clutch interlock switch
Removal and Installation
REMOVAL
Remove the instrument lower panel LH. Refer to IP, "Removal and
Installation".
Disconnect master cylinder rod end from clutch pedal.
D ...
Calibration of G Sensor
Description
TCM stores calibration data (inherent characteristic value) of G sensor to
provide accurate control. Therefore,
it is required to perform calibration of G sensor after the following work is
performed.
Removal/installation or replacement of G sensor
Replacement of TCM
Work ...