Nissan Qashqai (2007-2010). Manual — part 593

PRECAUTIONS

TM-307

< PRECAUTION >

[CVT: RE0F10A]

PRECAUTION

PRECAUTIONS

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"

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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 SRS and SB section of this Service Man-
ual.

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 SRS 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 har-
ness connectors.

Precaution Necessary for Steering Wheel Rotation After Battery Disconnect

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NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-

TEM).

• Remove and install all control units after disconnecting both battery cables with the ignition knob in the

″

LOCK

″

position.

• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.

If DTC is detected, perform trouble diagnosis according to self-diagnostic results.

For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.

OPERATION PROCEDURE

Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.

Use the Intelligent Key or mechanical key to turn the ignition switch to the

″

ACC

″

position. At this time, the

steering lock will be released.

Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.

Perform the necessary repair operation.

When the repair work is completed, return the ignition switch to the

″

LOCK

″

position before connecting

the battery cables. (At this time, the steering lock mechanism will engage.)

Perform a self-diagnosis check of all control units using CONSULT-III.

Precaution for Procedure without Cowl Top Cover

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TM-308

< PRECAUTION >

[CVT: RE0F10A]

PRECAUTIONS

When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.

Precaution for On Board Diagnosis (OBD) System of CVT and Engine

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The ECM has an on board diagnostic system. It will light up the malfunction indicator (MI) 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 MI to light up.

• Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will

cause the MI 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 MI 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 MI to light up due to a malfunction of the EVAP 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.

Precaution for TCM and CVT Assembly Replacement

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CAUTION:

• Check if new data (Unit ID) are entered correctly after replacing CVT assembly and erasing data in

TCM. (Connect CONSULT-III, and then turn ignition switch OFF.)

• When replacing CVT assembly or TCM, refer to the pattern table below and erase the EEPROM in the

TCM if necessary.

EEPROM ERASING PATTERNS

Removal and Installation Procedure for CVT Unit Connector

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REMOVAL

PIIB3706J

CVT assembly

TCM

Erasing EEPROM in TCM

Remarks

Replaced

Not required

Not required because the EEPROM in the TCM is in
the default state. (CVT assembly must be replaced
first.)

Not replaced

Replaced

Not required

Not required because the EEPROM in the TCM is in
the default state.

Replaced

Not replaced

Required

Required because data has been written in the EE-
PROM in the TCM and because the TCM cannot write
data from the ROM assembly in the transmission.

PRECAUTIONS

TM-309

< PRECAUTION >

[CVT: RE0F10A]

Rotate bayonet ring (1) counterclockwise, pull out CVT unit harness
connector (2) upward and remove it.

INSTALLATION

Align

∆

marking on CVT unit harness connector terminal body

with

marking on bayonet ring, insert CVT unit harness connec-

tor, and then rotate bayonet ring clockwise.

Rotate bayonet ring clockwise until

∆

marking on CVT unit har-

ness connector terminal body is aligned with the slit on bayonet
ring as shown in the figure (correctly fitting condition), install
CVT unit harness connector to CVT unit harness connector ter-
minal body.

CAUTION:

• Securely align

∆

marking on CVT unit harness connector

terminal body with bayonet ring slit. Then, be careful not
to make a half fit condition as shown in the figure.

• Never mistake the slit of bayonet ring for other dent por-

tion.

Precaution

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NOTE:
If any malfunction occurs in the RE0F10A model transaxle, replace the entire transaxle assembly.

SCIA6685J

SCIA2097E

SCIA2098E

SCIA2099E

TM-310

< PRECAUTION >

[CVT: RE0F10A]

PRECAUTIONS

• Before connecting or disconnecting the TCM harness connec-

tor, turn ignition switch OFF and disconnect negative battery
cable. Because battery voltage is applied to TCM even if igni-
tion switch is turned OFF.

• When connecting or disconnecting pin connectors into or

from TCM, take care not to damage pin terminals (bend or
break).
When connecting pin connectors make sure that there are not
any bends or breaks on TCM pin terminal.

• Before replacing TCM, perform TCM input/output signal

inspection and make sure whether TCM functions properly or
not.

TM-285, "Reference Value"

• After performing each TROUBLE DIAGNOSIS, perform “DTC

Confirmation Procedure”.
If the repair is completed the DTC should not be displayed in
the “DTC Confirmation Procedure”.

• Always use the specified brand of CVT fluid. Refer to

PG-47, "Wir-

ing Diagram - IGNITION POWER SUPPLY -"

• Use lint-free paper, not cloth rags, during work.
• After replacing the CVT fluid, dispose of the waste oil using the

methods prescribed by law, ordinance, etc.

Service Notice or Precaution

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