Nissan Pathfinder (2006 year). Instruction — part 2
PRECAUTIONS
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2006 Pathfinder
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
ECS00EEC
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 per-
formed by an authorized NISSAN/INFINITI dealer.
●
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal 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 Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for On Board Diagnostic (OBD) System of A/T and Engine
ECS00EED
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 negative battery cable 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.
AT-8
PRECAUTIONS
2006 Pathfinder
Precautions
ECS00EEE
●
Before connecting or disconnecting the A/T assembly har-
ness connector, turn ignition switch “OFF” and disconnect
negative battery cable. Because battery voltage is applied
to TCM even if ignition switch is turned “OFF”.
●
After performing each TROUBLE DIAGNOSIS, perform
“DTC (Diagnostic Trouble Code) CONFIRMATION PROCE-
DURE”.
If the repair is completed the DTC should not be displayed
in the “DTC CONFIRMATION PROCEDURE”.
●
Always use the specified brand of ATF. Refer to
MA-11, "RECOMMENDED FLUIDS AND LUBRICANTS"
.
●
Use paper rags not cloth rags during work.
●
After replacing the ATF, dispose of the waste oil using the methods prescribed by law, ordinance, etc.
●
Before proceeding with disassembly, thoroughly clean the outside of the transmission. It is important to
prevent the internal parts from becoming contaminated by dirt or other foreign matter.
●
Disassembly should be done in a clean work area.
●
Use lint-free cloth or towels for wiping parts clean. Common shop rags can leave fibers that could interfere
with the operation of the transmission.
●
Place disassembled parts in order for easier and proper assembly.
●
All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or
reassembly.
●
Gaskets, seals and O-rings should be replaced any time the transmission is disassembled.
●
It is very important to perform functional tests whenever they are indicated.
●
The valve body contains precision parts and requires extreme care when parts are removed and serviced.
Place disassembled valve body parts in order for easier and proper assembly. Care will also prevent
springs and small parts from becoming scattered or lost.
●
Properly installed valves, sleeves, plugs, etc. will slide along bores in valve body under their own weight.
●
Before assembly, apply a coat of recommended ATF to all parts. Apply petroleum jelly to protect O-rings
and seals, or hold bearings and washers in place during assembly. Do not use grease.
●
Extreme care should be taken to avoid damage to O-rings, seals and gaskets when assembling.
●
Clean or replace ATF cooler if excessive foreign material is found in oil pan or clogging strainer. Refer to
.
●
After overhaul, refill the transmission with new ATF.
●
When the A/T drain plug is removed, only some of the fluid is drained. Old A/T fluid will remain in torque
converter and ATF cooling system.
Always follow the procedures under “Changing A/T Fluid” in the AT section when changing A/T fluid. Refer
to
AT-14, "Changing the Automatic Transmission Fluid (ATF)"
,
AT-13, "Checking the Automatic Transmis-
.
SEF289H
SEF217U
PRECAUTIONS
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2006 Pathfinder
Service Notice or Precautions
ECS00EEF
ATF COOLER SERVICE
If A/T fluid contains frictional material (clutches, bands, etc.), or if an A/T is repaired, overhauled, or replaced,
inspect and clean the A/T fluid cooler mounted in the radiator or replace the radiator. Flush cooler lines using
cleaning solvent and compressed air after repair. For A/T fluid cooler cleaning procedure, refer to
. For radiator replacement, refer to
CO-14, "Removal and Installation"
OBD-II SELF-DIAGNOSIS
●
A/T self-diagnosis is performed by the TCM in combination with the ECM. Refer to the table on
for the indicator used to display each self-diagnostic result.
●
The self-diagnostic results indicated by the MIL are automatically stored in both the ECM and TCM mem-
ories.
Always perform the procedure on
to complete the repair and avoid
unnecessary blinking of the MIL.
For details of OBD-II, refer to
EC-47, "ON BOARD DIAGNOSTIC (OBD) SYSTEM"
●
Certain systems and components, especially those related to OBD, may use the new style slide-
locking type harness connector. For description and how to disconnect, refer to
Wiring Diagrams and Trouble Diagnosis
ECS00EEG
When you read wiring diagrams, refer to the following:
●
GI-15, "How to Read Wiring Diagrams"
.
●
PG-4, "POWER SUPPLY ROUTING CIRCUIT"
for power distribution circuit.
When you perform trouble diagnosis, refer to the following:
●
GI-10, "How to Follow Trouble Diagnoses"
●
GI-27, "How to Perform Efficient Diagnosis for an Electrical Incident"
AT-10
PREPARATION
2006 Pathfinder
PREPARATION
PFP:00002
Special Service Tools
ECS00EEH
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
ST2505S001
(J-34301-C)
Oil pressure gauge set
1 ST25051001
(
—
)
Oil pressure gauge
2 ST25052000
(
—
)
Hose
3 ST25053000
(
—
)
Joint pipe
4 ST25054000
(
—
)
Adapter
5 ST25055000
(
—
)
Adapter
Measuring line pressure
KV31103600
(J-45674)
Joint pipe adapter
(With ST25054000)
Measuring line pressure
ST33400001
(J-26082)
Drift
●
Installing rear oil seal (2WD models)
●
Installing oil pump housing oil seal
a: 60 mm (2.36 in) dia.
b: 47 mm (1.85 in) dia.
KV31102400
(J-34285 and J-34285-87)
Clutch spring compressor
Installing reverse brake return spring retainer
a: 320 mm (12.60 in)
b: 174 mm (6.85 in)
LCIA0399E
ZZA1227D
NT086
NT423
PREPARATION
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2006 Pathfinder
ST25850000
(J-25721-A)
Sliding hammer
Remove oil pump assembly
a: 179 mm (7.05 in)
b: 70 mm (2.76 in)
c: 40 mm (1.57 in)
d: M12X1.75P
—
(J-47002)
Transmission jack adapter kit
1.
—
(J-47002-1)
Center bracket
2.
—
(J-47002-3)
Adapter plate
3.
—
(J-47002-4)
Adapter block
Assist in removal of transmission and transfer
case as one assembly using only one trans-
mission jack.
Tool number
(Kent-Moore No.)
Tool name
Description
NT422
WCIA0499E
AT-12
PREPARATION
2006 Pathfinder
Commercial Service Tools
ECS00EEI
Tool name
Description
Power tool
Loosening bolts and nuts
Drift
Installing instruction shaft seals
a: 22 mm (0.87 in) dia.
Drift
Installing rear oil seal (4WD models)
a: 64 mm (2.52 in) dia.
PBIC0190E
NT083
SCIA5338E
A/T FLUID
AT-13
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2006 Pathfinder
A/T FLUID
PFP:KLE40
Checking the Automatic Transmission Fluid (ATF)
ECS00FSK
1.
Before driving, the ATF level can be checked at ATF tempera-
tures of 30
°
to 50
°
C (86
°
to 122
°
F) using the “COLD” range on
the ATF level gauge as follows:
a.
Park the vehicle on a level surface and set the parking brake.
b.
Start the engine and move the selector lever through each gear
position. Shift the selector lever into the “P” position.
c.
Check the ATF level with the engine idling.
d.
Remove the ATF level gauge and wipe it clean with a lint-free
paper.
CAUTION:
When wiping the ATF from the ATF level gauge, always use
a lint-free paper, not a cloth.
e.
Re-insert the ATF level gauge into the charging pipe until the
cap contacts the top of the charging pipe as shown.
CAUTION:
To check ATF level, insert the ATF level gauge until the cap
contacts the top of the charging pipe, with the gauge
reversed from the normal inserted position.
f.
Remove the ATF level gauge and note the ATF level. If the ATF
level is at low side of range, add ATF to the transmission
through the charging pipe.
CAUTION:
Do not overfill the transmission with ATF.
g.
Install the ATF level gauge and the ATF level gauge bolt.
2.
Warm up the engine and transmission.
3.
Check for any ATF leaks.
4.
Drive the vehicle to increase the ATF temperature to 80
°
C (176
°
F).
5.
Allow the ATF temperature to fall to approximately 65
°
C (149
°
F). Use the CONSULT-II to monitor the ATF
temperature as follows:
LLIA0071E
ATF level gauge bolt
: Refer to
.
SCIA1684E
SLIA0016E
AT-14
A/T FLUID
2006 Pathfinder
NOTE:
The ATF level will be significantly affected by the ATF temperature as shown. Therefore monitor the ATF
temperature data using the CONSULT-II.
a.
Connect CONSULT-II to data link connector.
b.
Select “MAIN SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
c.
Read out the value of “ATF TEMP 1”.
6.
Re-check the ATF level at ATF temperatures of approximately
65
°
C (149
°
F) using the “HOT” range on the ATF level gauge as
shown. The HOT range is between 50
°
- 80
°
C (122
°
- 176
°
F).
CAUTION:
●
When wiping the ATF from the ATF level gauge, always
use lint-free paper, not a cloth.
●
To check the ATF level, insert the ATF level gauge until
the cap contacts the top of the charging pipe, with the
gauge reversed from the normal inserted position as
shown.
7.
Check the ATF condition.
●
If the ATF is very dark or has some burned smell, there may
be an internal problem with the transmission. Refer to
"TROUBLE DIAGNOSIS FOR SYMPTOMS"
. Flush the trans-
mission cooling system after repairing the transmission.
●
If the ATF contains frictional material (clutches, bands, etc.),
replace the radiator and flush the transmission cooler lines
using cleaning solvent and compressed air after repairing the
transmission.
8.
Install the ATF level gauge in the charging pipe.
9.
Tighten the ATF level gauge bolt to specification.
Changing the Automatic Transmission Fluid (ATF)
ECS00FSL
1.
Drive the vehicle to warm up the ATF to approximately 80
°
C (176
°
F).
2.
Stop the engine.
3.
Remove the ATF level gauge.
4.
Drain the ATF from the drain plug hole and then install the drain
plug with a new gasket. Refill the transmission with new ATF.
Always refill with the same volume as the drained ATF. Use the
ATF level gauge to check the ATF level as shown. Add ATF as
necessary.
●
To flush out the old ATF from the transmission oil coolers, pour new ATF into the charging pipe with the
engine idling and at the same time drain the old ATF from the auxiliary transmission oil cooler hose
return line.
LLIA0071E
ATF level gauge bolt
: Refer to
SCIA1684E
Drain plug
: Refer to
.
LLIA0071E
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