VVTi 1UZ Comparison

LS400 — NEW FEATURES
Engine Control System
General
The engine control system has been changed from that of the ’97 LS400 in the areas described below.The VVT-i, ETCS-i, and ACIS systems have been adopted.
The cruise control system and the engine immobiliser system have been integrated with the ECM.
A function to communicate with the multiplex communication system has been added.
The engine control system of the 1UZ-FE engine in the ’98 LS400 and ’97 LS400 are compared below.
Main Components of Engine Control System
1) General
The following table compares the main components of the 1UZ-FE engine in the ’98 LS400 and ’97 LS400.
2) Mass Air Flow Meter
The hot wire type mass air flow meter has been changed to the plug-in type. Its basic operation is the same as that of the previous type.
3) Crankshaft Position Sensor
The timing rotor of the crankshaft position sensor has been changed from the previous 12 teeth tom 34 teeth, with 2 teeth missing. It detects the crankshaft angle at 10 intervals.
4) Camshaft Position Sensor
The camshaft position sensor is mounted on the left bank cylinder head. To detect the camshaft position, a protrusion that is provided on the timing pulley is used to generate 1 pulse for every 2 revolutions of the crankshaft.
5) VVT Sensor
A VVT sensor is mounted on the intake side of each cylinder head. To detect the camshaft position, a timing rotor that is provided on the intake camshaft is used to generate 3 pulses for every 2 revolutions of the crankshaft.
VVT-i (Valiable Valve Timing-intelligent) System
1) General
The VVT-i system is designed to control the intake camshaft within a wide range of 50° (of crankshaft angle) to provide a valve timing that is optimally suited to the engine condition, thus realizing improved torque in all the speed ranges and fuel economy, and exhust emissions.
2) Construction and Operation
a. VVT-i Controller
The VVT-i Controller comprises the outer gear that is driven by the timing belt, the inner gear that is affixed to the camshaft and a movable piston that is placed between the outer gear and inner gear.
Having helical splines (twisted, vertical grooves) on its inner and outer periphery, the piston moves in the axial direction to shift the phase of the outer gear and inner gear, thus causing the valve timing to change continuously.
b. Camshaft Timing Oil Control Valve
The camshaft timing oil control valve controls the spool valve position in accordance with the command of the ECM thus allocating the hydraulic pressure that is applied to the intake camshaft timing pulley to the advance and the retard side. When the engine is stopped, thecamshaft timing oil control valve is in the most retarded state.
By the command of the ECM, when the camshaft timing oil control valve is in the position given in Fig. 1, hydraulic pressure is applied from the left side of the piston, which causes the piston to move to the right. Because of the twist in the helical splines that are cut out in the piston, the intake camshaft rotates in the advance direction in relation to the camshaft timing pulley. When the camshaft timing oil control valve is in the position given in Fig. 2, the piston moves to the left and rotates in the retard direction. Furthermore, the camshaft timing oil control valve shuts off the oil passages to maintain the hydraulic pressure at both sides of the piston, thus maintaining the phase at that position. This enables the phase to be set to a desired position.
c. ECM
In proportion to the engine speed, intake air volume, throttle position and coolant temperature, the ECM searches an optimal valve timing under each driving condition and control the camshaft timing oil control valve. In addition, the ECM uses signal from the VVT sensors and the crankshaft position sensor to detect the actual valve timing, thus performing feedback control to achieve the target valve timing.
ETCS-i (Electronic Throttle Control System-intelligent)
1) General
The ETCS-i system, which realizes excellent throttle control in all the operating ranges, has been adopted.
In the conventional throttle body, the throttle valve opening is determined invariably by the amount of the accelerator pedal effort. In contrast, the ETCS-i uses the ECM to calculate the optimal throttle valve opening that is appropriate for the respective driving condition and uses a throttle control motor to control the opening.
The ETCS-i controls the ISC (Idle Speed Control) system, the cruise control system, and the VSC (Vehicle Skid Control).
A duplicate system is provided to ensure a high level of reliability, and the system shuts off in case of an abnormal condition. Even when the system is shut off, the accelerator pedal can be used to operate the vehicle in the limp mode.
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[DL]Mitsubishi Lancer Evolution 6 Workshop Manual - EVO 6 (VI) (CP9A) Service Manuals

Mitsubishi Lancer Evolution 6 EVO 6 2001 Factory Service Repair Manual covers all the repair procedures you will ever need.This service manual is also used by the mechanics from you local service.

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The service manual include:
-TABLE OF CONTENTS
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-SUSPENSION
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-BRAKES
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-FRONT & REAR AXLE
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-CHASSIS
-EMISSION CONTROL
-STEERING
-PROPELLER SHAFT
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Mitsubishi Eclipse 2006 Service Repair Manual Download

2006 Mitsubishi Eclipse Factory Service Repair Manual covers all the repair procedures you will ever need.This service manual is also used by the mechanics from you local service.
This is the official complete service repair manual for the 2006 Mitsubishi Eclipse.The service manual include:
-general information
-engine
-engine lubrication
-fuel
-engine cooling
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-clutch
-manual transaxle
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-rear axle
-wheel and tire
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-rear suspension
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-alphabetical index
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Mitsubishi Lancer Evolution 4 & 5 Workshop Manuals Full Download

This Workshop Manual contains procedures for service mechanics, including removal, disassembly, inspection, adjustment, reassembly and installation. Figures taken from registration documents are given in metric units only. All other figures are given in SI units with metric units in brackets. Use the following manuals in combination with this manual as required.
EVO 4 (IV) (CN9A) / EVO 5 (V) (CP9A) Service Manuals

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Service manual for Mitsubishi MF 92 4g61, 4g63 y 4g64 engines (english)

Service manual, workshop manual and repair manual for Mitsubishi MF 92 4g61, 4g63 y 4g64 engines. 108 pages with specifications of each area of ​​engine cylinders, fuel management and emission control, pistons ...
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Mitsubishi Eclipse 92-94 electrical diagrams and wiring diagrams in english

Whether your an expert Mitsubishi Eclipse mobile electronics installer, Mitsubishi Eclipse fanatic, or a novice Mitsubishi Eclipse enthusiast with a 1994 Mitsubishi Eclipse, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 1994 Mitsubishi Eclipse vehicles are becoming increasing more difficult to identify due to the installation of more advanced factory oem electronics.
One of the most time consuming tasks with installing an after market car stereo, car radio, satellite radio, xm radio, car speakers, tweeters, car subwoofer, crossovers, audio equalizer, car amplifier, mobile amp, car amplifier, mp3 player, ipod or any car audio electronics is identifying the correct color car audio wires for your 1994 Mitsubishi Eclipse.
The Modified Life staff has taken all its Mitsubishi Eclipse car radio wiring diagrams, Mitsubishi Eclipse car audio wiring diagrams, Mitsubishi Eclipse car stereo wiring diagrams, Mitsubishi Eclipse car radio wiring schematics, Mitsubishi Eclipse car wiring diagrams and cataloged them online for use by our visitors for free. Our automotive wiring diagrams allow you to enjoy your new mobile electronics rather than spend countless hours trying to figure out which wires goes to which 1994 Mitsubishi Eclipse part or component.

Feel free to use any Mitsubishi Eclipse car stereo wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind and most of the car audio wiring diagrams listed on our enthusiast website are submitted by the Modified Life community. Use of the Mitsubishi Eclipse wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 1994 Mitsubishi Eclipse.


1994 Mitsubishi Eclipse Car Stereo Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Red/Black
Car Radio Accessory Switched 12v+ Wire: Blue
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Green/White
Car Stereo Dimmer Wire: Black/Yellow
Car Stereo Antenna Trigger Wire: White/Black
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 4″ Speakers
Car Audio Front Speakers Location: Dash
Left Front Speaker Positive Wire (+): White/Blue
Left Front Speaker Negative Wire (-): Black/Blue
Right Front Speaker Positive Wire (+): White/Red
Right Front Speaker Negative Wire (-): Black/Red
Car Audio Rear Speakers Size: 6 1/2″ Speakers
Car Audio Rear Speakers Location: Side Panels
Left Rear Speaker Positive Wire (+): Yellow/Blue
Left Rear Speaker Negative Wire (-): Gray/Blue
Right Rear Speaker Positive Wire (+): Yellow/Red
Right Rear Speaker Negative Wire (-): Gray/Red
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Mitsubishi Colt Lancer the Sixth generation (1992 - 1996)

Mitsubishi Colt Lancer the Sixth generation (1992 - 1996). For Engine Code: 1.3L 4G13 / 1.6L 4G92 / 1.8L 4G93 / 2.0L Diesel 4D68.

- 3000+ Pages Full Version Factory Service Manual
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You can PRINT any pages and diagrams as you need!The Manual Include These Topics

General
Engine
Engine Lubrication
Fuel
Engine Cooling
Intake and Exhaust
Engine Electrical
Engine and Emission Control
Clutch
Manual Transmission
Automatic Transmission
Front Axle
Rear Axle
Wheel and Tyre
Power Plant Mount
Front Suspension
Rear Suspension
Service Brakes
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Steering
Body
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Interior
Supplemental Restraint System (SRS)
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Heater, Air Conditioning and Ventilation
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