2005 SUZUKI JIMNY oil

Downloaded from www.Manualslib.com manuals search engine IGNITION SYSTEM (ELECTRONIC IGNITION SYSTEM 6F-5
On-Vehicle Service
Ignition Spark Test
1) Disconnect all injector connectors (1) from injectors.
2) Remove cylinder head upper cover.
3) Remove spark plug and check it for condition and type refer-
ring to “Spark Plugs” in this section.
4) If OK, connect ignition coil connector to ignition coil assem-
bly and connect spark plug to ignition coil assembly or high-
tension cord. Ground spark plug.
5) Crank engine and check if each spark plug sparks.
6) If no spark is emitted, inspect the related parts as described
under “Diagnosis” earlier in this section.
High-tension Cords
1) Remove cylinder head upper cover and disconnect high-ten-
sion cords (2) from ignition coil assemblies (1) while gripping
each cap.
2) Pull out high-tension cords from spark plugs while gripping
each cap.
3) Measure resistance of high-tension cord (1) by using ohm-
meter.
High-tension cord resistance
4 – 10 k
Ω/m (1.2 – 3.0 kΩ/ft)
4) If resistance exceeds specification, replace high-tension
cord(s). WARNING:
Without disconnection of injector couplers, combustible
gas may come out from spark plug holes during this test
and may get ignited in engine room.
CAUTION:
Removal of high-tension cords together with clamps
will be recommended so as not to damage their inside
wire (resistive conductor).
For the same reason, pull out each connection by grip-
ping cap portion.

Downloaded from www.Manualslib.com manuals search engine 6F-6 IGNITION SYSTEM (ELECTRONIC IGNITION SYSTEM)
5) Install high-tension cords (2) to spark plugs and ignition coil
assemblies (1) while gripping each cap.
Spark Plugs
1) Pull out high-tension cords by gripping their caps and then
remove ignition coil assemblies referring to “Ignition Coil
Assembly” in this section.
2) Remove spark plugs.
3) Inspect them for:
Electrode wear
Carbon deposits
Insulator damage CAUTION:
Never attempt to use metal conductor high-tension
cords as replacing parts.
Insert each cap portion fully when installing high-ten-
sion cords.

Downloaded from www.Manualslib.com manuals search engine IGNITION SYSTEM (ELECTRONIC IGNITION SYSTEM 6F-7
4) If any abnormality is found, adjust air gap, clean with spark
plug cleaner or replace them with specified new plugs.
For iridium/platinum spark plugs, replace them with new
plugs.
Spark plug air gap “a”
1.0 – 1.1 mm (0.040 – 0.043 in.)
Spark plug type
NGK : BKR6E-11, IFR5E11
DENSO : K20PR-U11, SK16PR-A11
5) Install spark plugs and torque them to specification.
Tightening torque
Spark plug : 25 N·m (2.5 kg-m, 18.0 lb-ft)
6) Install ignition coil assemblies referring to “Ignition Coil
Assembly” in this section.
7) Install high-tension cords securely by gripping their caps.
Ignition Coil Assembly (Including Ignitor)
1) Disconnect negative cable at battery.
2) Remove cylinder head upper cover.
3) Disconnect ignition coil connector.
4) Disconnect high-tension cord (3) from ignition coil assembly
(2).
5) Remove ignition coil bolts (1) and then pull out ignition coil
assembly. NOTE:
NGK IFR5E11 or DENSO SK16PR-A11 is highly recom-
mended for better engine starting performance under –
25°C (– 13°F).
CAUTION:
When servicing the iridium/platinum spark plugs (slender
center electrode type plugs), do not touch the center
electrode to avoid damage to it. The electrode is not
strong enough against mechanical force as it is slender
and its material is not mechanically tough.

Downloaded from www.Manualslib.com manuals search engine 6F-8 IGNITION SYSTEM (ELECTRONIC IGNITION SYSTEM)
6) Measure resistance between terminals as follows by using
analog type ohmmeter.
If check result is not satisfactory, replace ignition coil assem-
bly.
Secondary coil resistance
“a” – “b” : 7.5 – 14 k
Ω (at 20°C, 68°F)
7) Install ignition coil assembly.
8) Tighten ignition coil bolts, and then connect ignition coil cou-
pler.
9) Install high-tension cord to ignition coil assembly while grip-
ping its cap.
10) Install cylinder head upper cover.
Crankshaft Position Sensor (CKP Sensor)
Refer to “Crankshaft Position Sensor” in Section 6E for removal,
inspection and installation.
Ignition Timing
INSPECTION
1) When using SUZUKI scan tool (1), connect SUZUKI scan
tool to DLC (2) with ignition switch OFF.
Special tool
(A) : SUZUKI scan tool
2) Start engine and warm it up to normal operating tempera-
ture.
3) Make sure that all of electrical loads except ignition are
switched off.
4) Check to be sure that idle speed is within specification.
(Refer to “Idle Speed/Idle Air Control Duty Inspection” in
Section 6E.)
NOTE:
Ignition timing is not adjustable. If ignition timing is
out of specification, check system related parts.
Before starting engine, place transmission gear shift
lever in “Neutral” (shift selector lever to “P” range for
A/T model), and set parking brake.

Downloaded from www.Manualslib.com manuals search engine 6G-2 CRANKING SYSTEM
General Description
Cranking Circuit
Diagnosis
Diagnosis Table
Possible symptoms due to starting system trouble would be as follows:
Starting motor does not run (or runs slowly)
Starting motor runs but fails to crank engine
Abnormal noise is heard
Proper diagnosis must be made to determine exactly where the cause of each trouble lies.....in battery, wiring
harness, (including starting motor switch), starting motor or engine.
Do not remove motor just because starting motor does not run. Check following items and narrow down scope
of possible causes.
1) Condition of trouble
2) Tightness of battery terminals (including ground cable connection on engine side) and starting motor termi-
nals
3) Discharge of battery
4) Mounting of starting motor
1. Pinion drive lever 5. Plunger 9. A/T: Transmission range switch (shift lever switch)
2. Pinion & Over-running clutch 6. Magnetic switch contacts 10. Ignition & Starter switch
3. Magnetic switch 7. Pull-in coil 11. Battery
4. Hold-in coil 8. Starting motor

Downloaded from www.Manualslib.com manuals search engine CRANKING SYSTEM 6G-3
Condition Possible Cause Correction
Motor not running
(No operating sound of
magnetic switch)Shift lever switch is not in P or N, or not adjusted
(A/T)Shift in P or N, or adjust switch.
Battery run down Recharge battery.
Battery voltage too low due to battery deteriora-
tionReplace battery.
Poor contact in battery terminal connection Retighten or replace.
Loose grounding cable connection Retighten.
Fuse set loose or blown off Tighten or replace.
Poor contacting action of ignition switch and mag-
netic switchReplace.
Lead wire coupler loose in place Retighten.
Open-circuit between ignition switch and magnetic
switchRepair.
Open-circuit in pull-in coil Replace magnetic switch.
Brushes are seating poorly or worn down Repair or replace.
Poor sliding of plunger and/or pinion Repair.
Motor not running
(Operating sound of
magnetic switch
heard)Battery run down Recharge battery.
Battery voltage too low due to battery deteriora-
tionReplace battery.
Loose battery cable connections Retighten.
Burnt main contact point, or poor contacting action
of magnetic switchReplace magnetic switch.
Brushes are seating poorly or worn down Repair or replace.
Weakened brush spring Replace.
Burnt commutator Replace armature.
Layer short-circuit of armature Replace.
Crankshaft rotation obstructed Repair.
Starting motor running
but too slow (small
torque) (If battery and
wiring are satisfac-
tory, inspect starting
motor)Insufficient contact of magnetic switch main con-
tactsReplace magnetic switch.
Layer short-circuit of armature Replace.
Disconnected, burnt or worn commutator Repair commutator or replace
armature.
Worn brushes Replace brush.
Weakened brush springs Replace spring.
Burnt or abnormally worn end bush Replace bush.
Starting motor run-
ning, but not cranking
engineWorn pinion tip Replace over-running clutch.
Poor sliding of over-running clutch Repair.
Over-running clutch slipping Replace over-running clutch.
Worn teeth of ring gear Replace flywheel (M/T) or drive
plate (A/T).
Noise
Abnormally worn bush Replace bush.
Worn pinion or worn teeth of ring gear Replace pinion or flywheel
(M/T) or drive plate (A/T).
Poor sliding of pinion (failure in return movement) Repair or replace.
Worn internal or planetary gear teeth Replace.
Lack of oil in each part Lubricate.

Downloaded from www.Manualslib.com manuals search engine 6G-4 CRANKING SYSTEM
Performance Test
PULL-IN TEST
Connect battery to magnetic switch as shown.
Check that plunger and pinion move outward.
If plunger and pinion don’t move, replace magnetic switch.
HOLD-IN TEST
While connected as above with plunger out, disconnect negative
lead from terminal “M”.
Check that plunger and pinion remain out.
If plunger and pinion return inward, replace magnetic switch.
PLUNGER AND PINION RETURN TEST
Disconnect negative lead from starting motor body.
Check that plunger and pinion return inward.
If plunger and pinion don’t return, replace magnetic switch. Starting motor does
not stop runningFused contact points of magnetic switch Replace magnetic switch.
Short-circuit between turns of magnetic switch coil
(layer short-circuit)Replace magnetic switch.
Failure of returning action in ignition switch Replace.
CAUTION:
Each test must be performed within 3 – 5 seconds to
avoid coil from burning.
NOTE:
Before testing, disconnect lead wire from terminal M.
1. Terminal “S”
2. Terminal “M”
3. Lead wire (switch to motor)
Condition Possible Cause Correction

Downloaded from www.Manualslib.com manuals search engine 6H-4 CHARGING SYSTEM
When keeping battery on vehicle over a long period of time, follow
instructions given below.
Weekly, start the engine and run it until it reaches normal
operating temperature with engine speed of 2,000 to 3,000
rpm. Make sure all electric switches are off before storing the
vehicle.
Recharge the battery twice a month to prevent it from dis-
charging excessively. This is especially important when
ambient temperature is low.
The battery discharges even when it is not used, while vehi-
cles are being stored. Battery electrolyte can freeze and bat-
tery case can crack at cold ambient condition if battery is not
properly charged.
2) Keep the battery cable connections clean.
The cable connections, particularly at the positive (+) termi-
nal post, tend to become corroded. The product of corrosion,
or rust, on the mating faces of conductors resists the flow of
current.
Clean the terminals and fittings periodically to ensure good
metal-to-metal contact, and grease the connections after
each cleaning to protect them against rusting.
3) Be always in the know as to the state of charge of the bat-
tery. The simplest way to tell the state of charge is to carry
out a hydrometer test. The hydrometer is an instrument for
measuring the specific gravity (S.G.) of the battery electro-
lyte. The S.G. of the electrolyte is indicative of the state of
charge. Refer to “HYDROMETER TEST” in this section.
Generator
The generator is a small and high performance type with an IC regulator incorporated.
The internal components are connected electrically as shown below figure.
The generator features are as follows:
Solid state regulator is mounted inside the generator.
All regulator components are enclosed into a solid mold.
This unit along with the brush holder assembly is attached to the rear housing.
The IC regulator uses integrated circuits and controls the voltage produced by the generator, and the volt-
age setting cannot be adjusted.
The generator rotor bearings contain enough grease to eliminate the need for periodic lubrication. Two
brushes carry current through the two slip rings to the field coil mounted on the rotor, and under normal con-
ditions will provide long period of attention-free service.
The stator windings are assembled on the inside of a laminated core that forms part of the generator frame.
A condenser mounted in the rear housing suppresses radio noise.