2001 INFINITI QX4 Factory Service Manual

automatic transmission tire pressure reset alarm heating climate control deactivate airbag

Page 1753 of 2395

INFINITI QX4 2001 Factory Service Manual PRECAUTIONS FOR ENGINE OILSNBGI0001S05Prolonged and repeated contact with used engine oil may cause
skin cancer. Try to avoid direct skin contact with used oil.
If skin contact is made, wash thoroughl

PRECAUTIONS FOR ENGINE OILSNBGI0001S05Prolonged and repeated contact with used engine oil may cause
skin cancer. Try to avoid direct skin contact with used oil.
If skin contact is made, wash thoroughly with soap or hand cleaner
as soon as possible.
Health Protection PrecautionsNBGI0001S0501IAvoid prolonged and repeated contact with oils, particularly
used engine oils.
IWear protective clothing, including impervious gloves where
practicable.
IDo not put oily rags in pockets.
IAvoid contaminating clothes, particularly underpants, with oil.
IHeavily soiled clothing and oil-impregnated footwear should
not be worn. Overalls must be cleaned regularly.
IFirst Aid treatment should be obtained immediately for open
cuts and wounds.
IUse barrier creams, applying them before each work period, to
help the removal of oil from the skin.
IWash with soap and water to ensure all oil is removed (skin
cleansers and nail brushes will help). Preparations containing
lanolin replace the natural skin oils which have been removed.
IDo not use gasoline, kerosine, diesel fuel, gas oil, thinners or
solvents for cleaning skin.
IIf skin disorders develop, obtain medical advice without delay.
IWhere practicable, degrease components prior to handling.
IWhere there is a risk of eye contact, eye protection should be
worn, for example, chemical goggles or face shields; in addi-
tion an eye wash facility should be provided.
Environmental Protection PrecautionsNBGI0001S0502Burning used engine oil in small space heaters or boilers can be
recommended only for units of approved design. The heating sys-
tem must meet the requirements of HM Inspectorate of Pollution for
small burners of less than 0.4 MW. If in doubt check with the
appropriate local authority and/or manufacturer of the approved
appliance.
Dispose of used oil and used oil filters through authorized waste
disposal contractors to licensed waste disposal sites, or to the
waste oil reclamation trade. If in doubt, contact the local authority
for advice on disposal facilities.
It is illegal to pour used oil on to the ground, down sewers or drains,
or into water courses.
The regulations concerning pollution vary between regions.
PRECAUTIONS FOR FUELNBGI0001S06Use unleaded gasoline with an octane rating of at least 87 AKI
(Anti-Knock Index) number (research octane number 91).
CAUTION:
Do not use leaded gasoline. Using leaded gasoline will dam-
age the three way catalyst.
Using a fuel other than that specified could adversely affect
the emission control devices and systems, and could also
affect the warranty coverage validity.
PRECAUTIONS FOR AIR CONDITIONINGNBGI0001S07Use an approved refrigerant recovery unit any time the air condi-
tioning system must be discharged. Refer to HA-144, ªHFC-134a
(R-134a) Service Procedureº for specific instructions.
PRECAUTIONS
Precautions (Cont'd)
GI-8

Page 1754 of 2395

INFINITI QX4 2001 Factory Service Manual NBGI0002
IThe captionsWARNINGandCAUTIONwarn you of steps that must be followed to prevent personal injury
and/or damage to some part of the vehicle.
WARNINGindicates the possibility of personal injury

NBGI0002
IThe captionsWARNINGandCAUTIONwarn you of steps that must be followed to prevent personal injury
and/or damage to some part of the vehicle.
WARNINGindicates the possibility of personal injury if instructions are not followed.
CAUTIONindicates the possibility of component damage if instructions are not followed.
BOLD TYPED STATEMENTSexceptWARNINGandCAUTIONgive you helpful information.
IALPHABETICAL INDEXis provided at the end of this manual so that you can rapidly find the item and
page you are searching for.
IA QUICK REFERENCE INDEX, a black tab (e.g.
) is provided on the first page. You can quickly find
the first page of each section by mating it to the section's black tab.
ITHE CONTENTSare listed on the first page of each section.
ITHE TITLEis indicated on the upper portion of each page and shows the part or system.
ITHE PAGE NUMBERof each section consists of two letters which designate the particular section and a
number (e.g. ªBR-5º).
ITHE LARGE ILLUSTRATIONSare exploded views (See below.) and contain tightening torques, lubrica-
tion points, section number of thePARTS CATALOG(e.g. SEC. 440) and other information necessary to
perform repairs.
The illustrations should be used in reference to service matters only. When ordering parts, refer to the
appropriatePARTS CATALOG.
SBR364AC
ITHE SMALL ILLUSTRATIONSshow the important steps such as inspection, use of special tools, knacks
of work and hidden or tricky steps which are not shown in the previous large illustrations.
Assembly, inspection and adjustment procedures for the complicated units such as the automatic transaxle
or transmission, etc. are presented in a step-by-step format where necessary.
ITheUNITSgiven in this manual are primarily expressed as the SI UNIT (International System of Unit),
and alternatively expressed in the metric system and in the yard/pound system.
ªExampleº
Tightening torque:
59 - 78 N´m (6.0 - 8.0 kg-m, 43 - 58 ft-lb)
ITROUBLE DIAGNOSESare included in sections dealing with complicated components.
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
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IDX
HOW TO USE THIS MANUAL
GI-9

Page 1755 of 2395

INFINITI QX4 2001 Factory Service Manual ISERVICE DATA AND SPECIFICATIONSare contained at the end of each section for quick reference of
data.
IThe followingSYMBOLS AND ABBREVIATIONSare used:
SYMBOL ABBREVIATION SYMBOL ABBREVIATION
Tightenin

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INFINITI QX4 2001 Factory Service Manual NBGI0003
Sample/Wiring Diagram Ð EXAMPL ÐNBGI0003S01IFor Description, refer to GI-13.
SGI134A
MA
EM
LC
EC
FE
AT
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PD
AX
SU
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IDX
HOW TO READ WIRING DIAGRAMS
Sample/Wiring Diagram

Page 1757 of 2395

INFINITI QX4 2001 Factory Service Manual OPTIONAL SPLICENBGI0003S0101
SGI942
HOW TO READ WIRING DIAGRAMS
Sample/Wiring Diagram Ð EXAMPL Ð (Contd)
GI-12

Page 1758 of 2395

INFINITI QX4 2001 Factory Service Manual Description=NBGI0003S02
Number Item Description
1 Power conditionIThis shows the condition when the system receives battery positive voltage (can be oper-
ated).
2 Fusible linkIThe double line shows t

Description=NBGI0003S02
Number Item Description
1 Power conditionIThis shows the condition when the system receives battery positive voltage (can be oper-
ated).
2 Fusible linkIThe double line shows that this is a fusible link.
IThe open circle shows current flow in, and the shaded circle shows current flow out.
3Fusible link/fuse loca-
tionIThis shows the location of the fusible link or fuse in the fusible link or fuse box. For
arrangement, refer to EL-10, ªPOWER SUPPLY ROUTINGº.
4 FuseIThe single line shows that this is a fuse.
IThe open circle shows current flow in, and the shaded circle shows current flow out.
5 Current ratingIThis shows the current rating of the fusible link or fuse.
6 ConnectorsIThis shows that connector E3 is female and connector M1 is male.
IThe G/R wire is located in the 1A terminal of both connectors.
ITerminal number with an alphabet (1A, 5B, etc.) indicates that the connector is SMJ con-
nector. Refer to GI-19.
7 Optional spliceIThe open circle shows that the splice is optional depending on vehicle application.
8 SpliceIThe shaded circle shows that the splice is always on the vehicle.
9 Page crossingIThis arrow shows that the circuit continues to an adjacent page.
IThe A will match with the A on the preceding or next page.
10 Common connectorIThe dotted lines between terminals show that these terminals are part of the same con-
nector.
11 Option abbreviationIThis shows that the circuit is optional depending on vehicle application.
12 RelayIThis shows an internal representation of the relay. For details, refer to EL-7, ªSTANDARD-
IZED RELAYº.
13 ConnectorsIThis shows that the connector is connected to the body or a terminal with bolt or nut.
14 Wire colorIThis shows a code for the color of the wire.
B = Black
W = White
R = Red
G = Green
L = Blue
Y = Yellow
LG = Light GreenBR = Brown
OR = Orange
P = Pink
PU = Purple
GY = Gray
SB = Sky Blue
CH = Dark Brown
DG = Dark Green
When the wire color is striped, the base color is given first, followed by the stripe color as
shown below:
Example: L/W = Blue with White Stripe
15 Option descriptionIThis shows a description of the option abbreviation used on the page.
16 SwitchIThis shows that continuity exists between terminals 1 and 2 when the switch is in the A
position. Continuity exists between terminals 1 and 3 when the switch is in the B position.
17 Assembly partsIConnector terminal in component shows that it is a harness incorporated assembly.
18 Cell codeIThis identifies each page of the wiring diagram by section, system and wiring diagram
page number.
19 Current flow arrowIArrow indicates electric current flow, especially where the direction of standard flow (verti-
cally downward or horizontally from left to right) is difficult to follow.
IA double arrow ª
º shows that current can flow in either direction depending on cir-
cuit operation.
MA
EM
LC
EC
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AT
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PD
AX
SU
BR
ST
RS
BT
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IDX
HOW TO READ WIRING DIAGRAMS
Description
GI-13

Page 1759 of 2395

INFINITI QX4 2001 Factory Service Manual Number Item Description
20 System branchIThis shows that the system branches to another system identified by cell code (section
and system).
21 Page crossingIThis arrow shows that the circuit continue

Page 1760 of 2395

INFINITI QX4 2001 Factory Service Manual SGI364
CONNECTOR SYMBOLS=NBGI0003S0201Most of connector symbols in wiring diagrams are shown from the
terminal side.
IConnector symbols shown from the terminal side are enclosed
by a single line and f

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