6a1 SUZUKI JIMNY 2005 3.G Service Workshop Manual
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Page 4 of 687
Downloaded from www.Manualslib.com manuals search engine TABLE OF CONTENTS
GENERAL INFORMATIONGeneral Information0A0A
Maintenance and Lubrication0B
0B
HEATING AND AIR CONDITIONINGHeater and Ventilation1A
1A
Air Conditioning (Optional)1B
1B
STEERING, SUSPENSION, WHEELS AND
TIRESSteering, Suspension, Wheels and Tires3
3
Front Wheel Alignment3A
3A
Steering Gear Box (Manual Type) and Linkage3B
3B
Power Steering (P/S) System (if equipped)3B1
3B1
Steering Wheel and Column3C
3C
Front Suspension3D
3D
Rear Suspension3E
3E
Wheels and Tires3F
3F
DRIVE SHAFT AND PROPELLER SHAFT
Propeller Shafts4B
4B
BRAKE SYSTEMBrakes5
5
Antilock Brake System (ABS)5E
5E
ENGINEEngine General Information and Diagnosis6
6
Engine Mechanical (M13 Engine)6A1
6A1
Engine Cooling6B
6B
Engine Fuel6C
6C
Engine and Emission Control System6E
6E
Ignition System (Electronic Ignition System)6F
6F
Cranking System6G
6G
Charging System6H
6H
Exhaust System6K
6K
TRANSMISSION, CLUTCH AND
DIFFERENTIALManual Transmission7A
7A
Automatic Transmission (4 A/T)7B
7B
Clutch7C
7C
Transfer7D
7D
Front Differential7E
7E
Rear Differential7F
7F
ELECTRICAL SYSTEMBody Electrical System8
8
Immobilizer Control System (if equipped)8G
8G
BODY SERVICE9
9
RESTRAINT SYSTEMRestraint System10
10
Air Bag System10B
10B
Page 32 of 687
Downloaded from www.Manualslib.com manuals search engine MAINTENANCE AND LUBRICATION 0B-1
0A 6F1
0B
0B
6G
1A 6H
1B 6K
37A
3A 7A1
3B1 7B1
3C1 7C1
3D 7D
3E 7E
3F 7F
4A2 8A
4B 8B
8C
58D
5A 8E
5B
5C 9
5E
5E1 10
10A
610B
6-1
6A1
6A2
6A4
6B
6C
6E1
6E2
SECTION 0B
MAINTENANCE AND LUBRICATION
CONTENTS
Maintenance Schedule .................................. 0B-2
Maintenance Schedule Under Normal
Driving Conditions ........................................ 0B-2
Maintenance Recommended Under Severe
Driving Conditions ........................................ 0B-4
Maintenance Service...................................... 0B-5
Engine .......................................................... 0B-5
Drive Belt .................................................. 0B-5
Valve Lash................................................ 0B-6
Engine Oil and Filter ................................. 0B-6
Engine Coolant ......................................... 0B-8
Exhaust System ....................................... 0B-8
Ignition System ............................................. 0B-9
Spark Plugs .............................................. 0B-9
Fuel System ................................................. 0B-9
Air Cleaner Filter ...................................... 0B-9
Fuel Lines and Connections ................... 0B-10
Fuel Filter ............................................... 0B-10
Fuel Tank ............................................... 0B-10
Emission Control System ........................... 0B-10
Crankcase Ventilation Hoses and
Connections ........................................... 0B-10
PCV (Positive Crankcase Ventilation)
Valve ..................................................... 0B-11Fuel Evaporative Emission Control
System ................................................... 0B-11
Chassis and Body ...................................... 0B-11
Clutch ..................................................... 0B-11
Brake Discs and Pads ............................ 0B-11
Brake Drums and Shoes ........................ 0B-12
Brake Hoses and Pipes.......................... 0B-12
Brake Fluid ............................................. 0B-12
Parking Brake Lever and Cable ............. 0B-13
Tires/Wheels .......................................... 0B-13
Suspension System ............................... 0B-14
Propeller Shafts...................................... 0B-15
Manual Transmission Oil........................ 0B-16
Automatic Transmission Fluid ................ 0B-16
Transfer and Differential Oil ................... 0B-17
Steering System ..................................... 0B-18
Steering Knuckle Seal ............................ 0B-18
Power Steering (P/S) System
(if equipped) ........................................... 0B-19
All Hinges, Latches and Locks ............... 0B-19
Final Inspection............................................ 0B-20
Recommended Fluids and Lubricants ....... 0B-22
WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System:
Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to “Air Bag System Components and Wiring Location View” under
“General Description” in air bag system section in order to confirm whether you are performing ser-
vice on or near the air bag system components or wiring. Please observe all WARNINGS and “Ser-
vice Precautions” under “On-Vehicle Service” in air bag system section before performing service
on or around the air bag system components or wiring. Failure to follow WARNINGS could result in
unintentional activation of the system or could render the system inoperative. Either of these two
conditions may result in severe injury.
Technical service work must be started at least 90 seconds after the ignition switch is turned to the
“LOCK” position and the negative cable is disconnected from the battery. Otherwise, the system
may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
Page 37 of 687
Downloaded from www.Manualslib.com manuals search engine 0B-6 MAINTENANCE AND LUBRICATION
3) Check belt for tension.
Power steering pump and/or A/C compressor drive belt
tension
“a”: 6 – 9 mm (0.24 – 0.35 in.) deflection under 100 N
(10 kg, 22 lb) pressure.
4) If belt tension is out of above specification, adjust it referring
to “Compressor Drive Belt” in Section 1B or “Power Steering
Belt Check” in Section 3B1.
5) Connect negative cable to battery.
REPLACEMENT
Replace belt with new one referring to “Compressor Drive Belt” in
Section 1B or “Power Steering Belt Check” in Section 3B1.
Valve Lash
INSPECTION
1) Inspect intake and exhaust valve lash and adjust as neces-
sary.
Refer to “Valve Lash (Clearance)” in Section 6A1 for valve
lash inspection and adjustment procedure.
Engine Oil and Filter
CHANGE
Before draining engine oil, check engine for oil leakage. If any evi-
dence of leakage is found, make sure to correct defective part
before proceeding to the following work.
1. P/S pump pulley
2. Camshaft pulley
3. A/C compressor pulley (if equipped)
4. Belt tension pulley
1. Camshaft
2. Thickness gauge
WARNING:
New and used engine oil can be hazardous.
Be sure to read “WARNING” in General Precaution in
Section 0A and observe what in written there.
Step 1) – 7) outlined below must be performed with
ENGINE NOT RUNNING. For step 8), be sure to have
adequate ventilation while engine is running.
Page 358 of 687
Downloaded from www.Manualslib.com manuals search engine ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-1
6F2
6G
6H
6K
7A
7A1
7B1
7C1
7D
7E
7F
8B
6
8D
8E
8B
9
10A
10B
SECTION 6
ENGINE GENERAL INFORMATION AND
DIAGNOSIS
GENERAL INFORMATION AND ENGINE DIAGNOSIS ..............................................................................
6-1
ENGINE MECHANICAL ...........................................................................................................................
6A1-1
ENGINE COOLING.....................................................................................................................................
6B-1
ENGINE FUEL ............................................................................................................................................
6C-1
ENGINE AND EMISSION CONTROL SYSTEM ........................................................................................
6E-1
IGNITION SYSTEM ....................................................................................................................................
6F-1
CRANKING SYSTEM .................................................................................................................................
6G-1
CHARGING SYSTEM .................................................................................................................................
6H-1
EXHAUST SYSTEM ...................................................................................................................................
6K-1
CONTENTS
General Information .......................................... 6-3
Statement on Cleanliness and Care ............... 6-3
General Information on Engine Service .......... 6-3
Precaution on fuel system service............... 6-4
Fuel pressure relief procedure .................... 6-5
Fuel leakage check procedure .................... 6-5
Engine Diagnosis .............................................. 6-6
General Description ........................................ 6-6
On-Board Diagnostic System (Vehicle with
Immobilizer Indicator Lamp) ............................ 6-6On-Board Diagnostic System (Vehicle without
Immobilizer Indicator Lamp)............................ 6-9
Precaution in Diagnosing Trouble ................. 6-10
Engine Diagnostic Flow Table ...................... 6-11
Customer problem inspection form
(example) .................................................. 6-13
Malfunction indicator lamp (MIL) check..... 6-14
Diagnostic trouble code (DTC) check ....... 6-14
Diagnostic trouble code (DTC)
clearance................................................... 6-15 WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System :
Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to “Air Bag System Components and Wiring Location View” under
“General Description” in air bag system section in order to confirm whether you are performing ser-
vice on or near the air bag system components or wiring. Please observe all WARNINGS and “Ser-
vice Precautions” under “On-Vehicle Service” in air bag system section before performing service
on or around the air bag system components or wiring. Failure to follow WARNINGS could result in
unintentional activation of the system or could render the system inoperative. Either of these two
conditions may result in severe injury.
Technical service work must be started at least 90 seconds after the ignition switch is turned to the
“LOCK” position and the negative cable is disconnected from the battery. Otherwise, the system
may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
NOTE:
Whether the following systems (parts) are used in the particular vehicle or not depends on vehicle
specifications. Be sure to bear this in mind when performing service work.
EGR valve
Heated oxygen sensor(s) or CO adjusting resistor
Three-way catalytic converter (TWC) and warm up three-way catalytic converter (WU-TWC)
Page 380 of 687
![SUZUKI JIMNY 2005 3.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-23
[D] Fig. 4 for Step 7 or 8 / [E] Fig. 5 for Step 10 / [F] Fig. 6 for Step 13
Engine diagnosis tab](/img/20/7588/w960_7588-379.png "SUZUKI JIMNY 2005 3.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-23
[D] Fig. 4 for Step 7 or 8 / [E] Fig. 5 for Step 10 / [F] Fig. 6 for Step 13
Engine diagnosis tab")
Downloaded from www.Manualslib.com manuals search engine ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-23
[D] Fig. 4 for Step 7 or 8 / [E] Fig. 5 for Step 10 / [F] Fig. 6 for Step 13
Engine diagnosis table
Perform troubleshooting referring to following table when ECM has no DTC and no abnormality found in visual
inspection and engine basic inspection previously.
Condition Possible Cause Reference Item
Hard Starting
(Engine cranks OK)Faulty ignition coil Ignition coil assembly in Section 6F.
Faulty CMP sensing rotor or CKP sensing
rotorCMP sensing rotor or CKP sensing
rotor inspection in Section 6E.
Faulty idle air control system Diagnostic Flow Table B-4
Faulty ECT sensor, TP sensor, CKP sen-
sor, CMP sensor or MAP sensorECT sensor, TP sensor, CKP sensor,
CMP sensor or MAP sensor in Sec-
tion 6E.
Fuel pressure out of specification Diagnostic Flow Table B-3
Faulty fuel injector Diagnostic Flow Table B-1
Faulty ECM Inspection of ECM and its circuit in
this section.
Malfunctioning PCV system PCV system in Section 6E.
Low compression Compression check in Section 6A1.
Improper valve lash Valve lash in Section 6A1.
Improper valve timing Timing chain and chain tensioner in
Section 6A1.
Compression leak from valve seat Valves and cylinder head in Section
6A1.
Sticky valve stem Valves and cylinder head in Section
6A1.
Weak or damaged valve springs Valves and cylinder head in Section
6A1.
Compression leak at cylinder head gasket Valves and cylinder head in Section
6A1.
Sticking or damaged piston ring Pistons, piston rings, connecting rods
and cylinders in Section 6A1.
Worn piston, ring or cylinder Pistons, piston rings, connecting rods
and cylinders in Section 6A1.
Page 382 of 687
Downloaded from www.Manualslib.com manuals search engine ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-25
Excessive detonation
(The engine makes
sharp metallic knocks
that change with throt-
tle opening.
Sounds like pop corn
popping.)Engine overheating Refer to “Overheating” of this table.
Faulty spark plug Spark plugs in Section 6F.
Clogged fuel filter and fuel lines Diagnostic Flow Table B-3
Malfunctioning EGR valve (if equipped) EGR system in Section 6E.
Poor performance of knock sensor, ECT
sensor or MAP sensorKnock sensor in this section, ECT
sensor or MAP sensor in Section 6E.
Faulty injector Diagnostic Flow Table B-1
Faulty ECM Inspection of ECM and its circuit in
this section.
Excessive combustion chamber deposits Piston and cylinder head in Section
6A1.
Overheating
Inoperative thermostat Thermostat in Section 6B.
Faulty A/C condenser fan motor or its cir-
cuitA/C condenser fan control system
check in Section 6E.
Loose or slip water pump belt ITEM1-1 Drive belt inspection and
change in Section 0B.
Poor water pump performance Water pump in Section 6B.
Clogged or leaky radiator Radiator in Section 6B.
Improper engine oil grade ITEM1-3 Engine oil and oil filter
change in Section 0B.
Clogged oil filter or oil strainer Oil pressure check in Section 6A1.
Poor oil pump performance Oil pressure check in Section 6A1.
Dragging brakes Diagnosis Table in Section 5.
Slipping clutch Diagnosis Table in Section 7C.
Blown cylinder head gasket Valves and cylinder head in Section
6A1.
Poor gasoline mileage
Faulty ignition coil Ignition coil assembly in Section 6F.
Fuel pressure out of specification Diagnostic Flow Table B-3
Faulty TP sensor, ECT sensor or MAP
sensorTP sensor, ECT sensor or MAP sen-
sor in Section 6E.
Faulty injector Diagnostic Flow Table B-1
Faulty ECM Inspection of ECM and its circuit in
this section.
Malfunctioning EGR valve (if equipped) EGR system in Section 6E.
High idle speed Refer to item “Improper Engine Idle
Speed” previously outlined.
Low compression Previously outlined.
Poor valve seating Valves and cylinder head in Section
6A1.
Dragging brakes Diagnosis Table in Section 5.
Slipping clutch Diagnosis Table in Section 7C.
Thermostat out of order Thermostat in Section 6B.
Improper tire pressure Refer to Section 3F. Condition Possible Cause Reference Item
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Downloaded from www.Manualslib.com manuals search engine 6-26 ENGINE GENERAL INFORMATION AND DIAGNOSIS
Excessive engine oil
consumptionSticky piston ring Pistons, piston rings, connecting rods
and cylinders in Section 6A1.
Worn piston and cylinder Pistons, piston rings, connecting rods
and cylinders in Section 6A1.
Worn piston ring groove and ring Pistons, piston rings, connecting rods
and cylinders in Section 6A1.
Improper location of piston ring gap Pistons, piston rings, connecting rods
and cylinders in Section 6A1.
Worn or damaged valve stem seal Valves and cylinder head in Section
6A1.
Worn valve stem Valves and cylinder head in Section
6A1.
Low oil pressure
Improper oil viscosity ITEM1-3 Engine oil and oil filter
change in Section 0B.
Malfunctioning oil pressure switch Oil pressure switch in Section 8.
Clogged oil strainer Oil pan and oil pump strainer in Sec-
tion 6A1.
Functional deterioration of oil pump Oil pump in Section 6A1.
Worn oil pump relief valve Oil pump in Section 6A1.
Excessive clearance in various sliding
partsRefer to Section 6A1.
Engine noise
See NOTE below.Improper valve lash Valve lash in Section 6A1.
Worn valve stem and guide Valves and cylinder head in Section
6A1.
Weak or broken valve spring Valve springs in Section 6A1.
Warped or bent valve Valves and cylinder head in Section
6A1.
Loose camshaft housing bolts Camshaft in Section 6A1.
Worn piston, ring and cylinder bore Pistons and cylinders in Section 6A1.
Worn crankpin bearing Crankpin and connecting rod bearing
in Section 6A1.
Worn crankpin Crankpin and connecting rod bearing
in Section 6A1.
Loose connecting rod nuts Connecting rod in Section 6A1.
Low oil pressure Previously outlined.
Worn crankshaft journal bearing Main bearings, Crankshaft and cylin-
der block in Section 6A1.
Worn crankshaft journal Main bearings, Crankshaft and cylin-
der block in Section 6A1.
Loose lower crankcase (bearing cap) bolts Main bearings, Crankshaft and cylin-
der block in Section 6A1.
Excessive crankshaft thrust play Main bearings, Crankshaft and cylin-
der block in Section 6A1. Condition Possible Cause Reference Item
NOTE:
Before checking the mechanical noise, make sure that :
Ignition timing is properly adjusted.
Specified spark plug is used.
Specified fuel is used.
Page 432 of 687
![SUZUKI JIMNY 2005 3.G Service Workshop Manual Downloaded from www.Manualslib.com manuals search engine ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-75
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[A] Fig. 1 for Step 3 / [B] Fig. 2 for Step 3 / [C] Fig. 3 for Step 4 / [D] Fig. 4 for Step 5 / [")
Downloaded from www.Manualslib.com manuals search engine ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-75
[A] Fig. 1 for Step 3 / [B] Fig. 2 for Step 3 / [C] Fig. 3 for Step 4 / [D] Fig. 4 for Step 5 / [E] Fig. 5 for Step 47 Check EVAP Canister Purge Valve for Closing.
1) Disconnect purge hose (1) from EVAP canister.
2) Place finger against the end of disconnected hose.
3) Check that vacuum is not felt there, when engine is
cool and running at idle. See Fig. 7.
Is vacuum felt?Check EVAP control
system
(See Section 6E).Go to Step 8.
8 Check manifold absolute pressure sensor for perfor-
mance (See step 4) DTC P0105 Diag. Flow Table).
Is it in good condition?Go to Step 9. Repair or replace.
9 Check engine coolant temp. sensor for performance
(See Section 6E).
Is it in good condition?Go to Step 10. Replace engine
coolant temp. sen-
sor.
10 Check parts or system which can cause engine rough
idle or poor performance.
Engine compression (See Section 6A1).
Valve lash (See Section 6A1).
Valve timing (Timing belt installation. See Section
6A1).
Are they in good condition?Check wire harness
and connection of
ECM ground, ignition
system and fuel injec-
tor for intermittent
open and short.Repair or replace. Step Action Yes No
CAUTION:
For iridium spark plugs, do not adjust air gap or clean.
3. Fuel delivery pipe
4. Fuel feed hose
3. Fuel pressure gauge & 3 way joint
Page 482 of 687
Downloaded from www.Manualslib.com manuals search engine ENGINE MECHANICAL (M13 ENGINE) 6A1-1
6F1
6G
6H
6K
7A
7A1
7B1
7C1
7D
7E
7F
8A
8C
6A1
8E
9
9
10B
SECTION 6A1
ENGINE MECHANICAL (M13 ENGINE)
CONTENTS
General Description ......................................6A1-2
Engine ......................................................... 6A1-2
Engine Lubrication ...................................... 6A1-3
Diagnosis .......................................................6A1-4
Diagnosis Table .......................................... 6A1-4
Compression Check .................................... 6A1-4
Engine Vacuum Check ................................ 6A1-6
Oil Pressure Check ..................................... 6A1-7
Valve Lash (Clearance) ............................... 6A1-9
On-Vehicle Service......................................6A1-13
Air Cleaner Element .................................. 6A1-13
Air Cleaner Assembly ................................ 6A1-14
Knock Sensor ............................................ 6A1-14
Cylinder Head Cover ................................. 6A1-15
Throttle Body and Intake Manifold ............ 6A1-18
Exhaust Manifold ....................................... 6A1-21Oil Pan and Oil Pump Strainer .................. 6A1-24
Timing Chain Cover .................................. 6A1-28
Oil Pump ................................................... 6A1-33
Timing Chain and Chain Tensioner .......... 6A1-37
Camshaft, Tappet and Shim ..................... 6A1-42
Valves and Cylinder Head ........................ 6A1-48
Pistons, Piston Rings, Connecting
Rods and Cylinders................................... 6A1-62
Engine Mountings ..................................... 6A1-72
Unit Repair Overhaul .................................. 6A1-73
Engine Assembly ...................................... 6A1-73
Main Bearings, Crankshaft and Cylinder
Block ......................................................... 6A1-79
Required Service Material .......................... 6A1-93
Tightening Torque Specification ............... 6A1-93
Special Tool ................................................. 6A1-94
WARNING:
For vehicles equipped with Supplemental Restraint (Air Bag) System:
Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to “Air Bag System Components and Wiring Location View” under
“General Description” in air bag system section in order to confirm whether you are performing ser-
vice on or near the air bag system components or wiring. Please observe all WARNINGS and “Ser-
vice Precautions” under “On-Vehicle Service” in air bag system section before performing service
on or around the air bag system components or wiring. Failure to follow WARNINGS could result in
unintentional activation of the system or could render the system inoperative. Either of these two
conditions may result in severe injury.
Technical service work must be started at least 90 seconds after the ignition switch is turned to the
“LOCK” position and the negative cable is disconnected from the battery. Otherwise, the system
may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
Page 483 of 687
Downloaded from www.Manualslib.com manuals search engine 6A1-2 ENGINE MECHANICAL (M13 ENGINE)
General Description
Engine
The engine is water-cooled, in line 4 cylinders, 4 stroke cycle gasoline unit with its DOHC (Double overhead
camshaft) valve mechanism arranged for “V” type valve configuration and 16 valves (4 valves / one cylinder).
The double overhead camshaft is mounted over the cylinder head; it is driven from crankshaft through timing
chain, and no push rods are provided in the valve train system.