spark plugs MITSUBISHI LANCER EVOLUTION IX 2005 Workshop Manual

ENGINE ELECTRICAL – CHARGING SYSTEM
16-1
SECTION 16
ENGINE ELECTRICAL
CONTENTS
Charging system ........................................1
General .................................................................1
Alternator...............................................................1
Ignition system...........................................4
General .................................................................4
Servicing standards...................................4
On-vehicle servicing ..................................4
Checking, cleaning and replacing spark plugs .....4
Cam position sensor .................................4
Charging system
General
The following alternator servicing guidelines have been prepared for vehicles which use the 4G63-MIVEC-T/C engine. Other
servicing guidelines remain unchanged.
Alternator
Removal and fitting
Jobs to be done before removal and after fitting
• Removal and refitting of the valence
• Checking the tension of the drive belt <only after fitting>
• Removal and refitting of the strut tower bar
• Removal and refitting of the front exhaust pipe ASSY
• Adjustment of the accelerator cable <only after fitting>

ENGINE ELECTRICAL – IGNITION SYSTEM16-4
Ignition system
General
The following servicing guidelines for spark plugs and the cam position sensor have been prepared for vehicles which use the
4G63-MIVEC-T/C engine. Other servicing guidelines remain unchanged.
Servicing standards
On-vehicle servicing
Checking cleaning and replacing spark plugs
The standard value and the upper limit for plug caps, has been changed in conjunction with the changes made to the spark
plugs. Other servicing guidelines remain unchanged.
Standard values and upper limits
Cam position sensor
Removal and fitting
Removal procedure <Exhaust side>
1. Cam position sensor connector
2. Cam position sensor
3. O-ringRemoval procedure <Inlet side>
4. Cam position sensor connector
5. Cam position sensor
6. O-ring
ItemStandard ValueUpper Limit
Spark plug cap mm0.5~0.60.75
ManufacturerModelStandard Value mmUpper Limit mm
NGKILFR7H0.5~0.60.75

CIRCUIT DIAGRAMS - IGNITION3-25
Ignition coil relay
Ignition
coil 1Ignition
coil 2
Input signals
•Crank angle sensor
•Vehicle speed
sensor
•Coolant temp.
sensor
•Air pressure sensor
•Knock sensor •Ignition
switch (ST)
•Cam position
sensor
•Intake temp.
sensor
Spark plugs
Engine ECU
Engine speed
detection
connector