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Engine Controls - Service & Adjustment Specifications: Other Nissan Altima L30

Specifications 1 illustration ~220 words

ENGINE COMPRESSION

Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed and throttle wide open.

VALVE CLEARANCE

Note. All engines, except KA24DE, GA16DE and VQ30DE, are equipped with hydraulic lifters. Adjustments are not required.

ApplicationHot - In. (mm)
Altima, Frontier & 240SX (2.4L)
Intake.012-.015 (.31-.37)
Exhaust.013-.016 (.33-.41)
Maxima (3.0L)
Intake(1) .010-.013 (.26-.34)
Exhaust(1) .011-.015 (.29-.37)
Sentra & 200SX (1.6L)
Intake.008-.019 (.21-.49)
Exhaust.012-.023 (.30-.58)
(1) Measure valve clearance with engine cold.
(1)Measure valve clearance with engine cold.

VALVE CLEARANCE SPECIFICATIONS

4-CYLINDER IGNITION COIL RESISTANCE

ApplicationPrimarySecondary
Altima1.010,000
Frontier1.010,000
Sentra & 200SX
1.6L1.010,000
2.0L.5-1.025,000
240SX1.020,000

4-CYLINDER IGNITION COIL RESISTANCE - Ohms @ 77°F (25°C)

V6 IGNITION COIL RESISTANCE

ApplicationPrimarySecondary
Maxima.8Infinite
Pathfinder, QX4 & Quest1.010,000

V6 IGNITION COIL RESISTANCE - Ohms @ 68°F (20°C)

HIGH TENSION WIRE RESISTANCE

Application (1)Ohms
Plug Wires30,000 Maximum
Coil Wire7000 Maximum
(1) Not applicable to Distributorless Ignition Systems (DIS).
(1)Not applicable to Distributorless Ignition Systems (DIS).

HIGH TENSION WIRE RESISTANCE

4-CYLINDER SPARK PLUG TYPE

ApplicationNGK
AltimaBKR5E-11
FrontierBKR5E-11
Sentra & 200SX
1.6LBKR5E-11
2.0L
StandardBKR6E
PlatinumPFR5B-11
240SXPFR5C-11

4-CYLINDER SPARK PLUG TYPE

V6 SPARK PLUG TYPE

ApplicationNGK
MaximaPFR5G-11
Pathfinder & QX4BKR5E-11
QuestBKR5EY

V6 SPARK PLUG TYPE

IGNITION TIMING

Note. For ignition timing adjustment procedures, see ADJUSTMENTS article.

4-CYLINDER IGNITION TIMING

ApplicationMan. Trans.(2) Auto. Trans.
Altima & 240SX18-22 @ 650-75018-22 @ 650-750
Frontier18-22 @ 750-85018-22 @ 750-850
Sentra & 200SX
1.6L6-10 @ 625-7256-10 @ 750-850
2.0L13-17 @ 750-85013-17 @ 750-850
(1) Specifications in degrees BTDC @ RPM. (2) Automatic transmission/transaxle in Neutral.
(1)Specifications in degrees BTDC @ RPM.
(2)Automatic transmission/transaxle in Neutral.

4-CYLINDER IGNITION TIMING (1)

V6 IGNITION TIMING

ApplicationMan. Trans.(2) Auto. Trans.
Pathfinder, QX4 & Quest13-17 @ 700-80013-17 @ 700-800
Maxima13-17 @ 575-67513-17 @ 650-750
(1) Specifications in degrees BTDC @ RPM. (2) Automatic transmission/transaxle in Neutral.
(1)Specifications in degrees BTDC @ RPM.
(2)Automatic transmission/transaxle in Neutral.

V6 IGNITION TIMING (1)

FUEL PUMP

ApplicationAt Idle W/O Vacuum psi (kg/cm 2 )At Idle W/Vacuum psi (kg/cm 2 )
Except QX443 (3.0)34 (2.4)

REGULATED FUEL PRESSURE

FUEL INJECTOR RESISTANCE

Fuel injectors used by all models should have same resistance value of 10-14 ohms.

IDLE SPEED & MIXTURE

Note. For idle speed and mixture adjustment procedures, see ADJUSTMENTS article.

4-CYLINDER IDLE SPEED & CO LEVEL

ApplicationIdle RPM(1) Maximum CO Level
Altima(2) 650-75010.5%
Frontier(2) 750-85010.8%
Sentra & 200SX
1.6L
A/T(2) 750-85011.0%
M/T625-72511.0%
2.0L(2) 750-85011.0%
240SX(2) 650-75012.8%
(1) Measured in Self-Diagnostic Mode II. (2) Automatic transmission/transaxle in Neutral.
(1)Measured in Self-Diagnostic Mode II.
(2)Automatic transmission/transaxle in Neutral.

4-CYLINDER IDLE SPEED & CO LEVEL

V6 IDLE SPEED & CO LEVEL

ApplicationIdle RPM(1) Maximum CO Level
Maxima
A/T(2) 575-67511.0%
M/T575-67511.0%
Pathfinder & QX4(2) 700-8008.0%
Quest(2) 700-80010.8%
(1) Measured in Self-Diagnostic Mode II. (2) Automatic transmission/transaxle in Neutral.
(1)Measured in Self-Diagnostic Mode II.
(2)Automatic transmission/transaxle in Neutral.

V6 IDLE SPEED & CO LEVEL

THROTTLE POSITION SENSOR

For adjustment specifications, see appropriate adjustment procedures in ADJUSTMENTS article.

THROTTLE POSITION SWITCH

Note. When testing throttle position switch, measure continuity between specified terminals. (Scheme 6)

Scheme 6

Scheme 6: THROTTLE POSITION SWITCH
Scheme 6: THROTTLE POSITION SWITCH

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