SsangYong Musso. Manual — part 104
GENERAL INFORMATION 0B-17
SSANGYONG Y158
VEHICLE LIFTING PROCEDURES
To raise the vehicle, place the lifting equipment only at
the points indicated. Failure to use these precise
positions may result in permanent vehicle body
deformation.
Many dealer service facilities and service stations are
equipped with automative hoists that bear upon some
parts of the frame in order to lift the vehicle. If any other
hoist method is used, use special care to avoid damaging
the fuel tank, the filter neck, the exhaust system, or the
underbody.
2.3L DOHC Gasoline Engine
The engine number is stamped on the upper rear left-
hand side of the cylinder block.
Vehicle Lifting Points
Using Jack (Rearward of Front Tire)
Using Jack (Forward of Rear Tire)
YAA0B110
YAA0B120
YAA0B130
SSANGYONG Y158
SECTION 1F
ENGINE CONTROLS
CAUTION: Disconnect the negative battery cable before removing or installing any electrical unit or when
a tool or equipment could easily come in contact with exposed electrical terminals. Disconnecting this
cable will help prevent personal injury and damage to the vehicle. The ignition must also be in LOCK
unless otherwise noted.
Engine and ECM Problem Check Report . . . . . . . 1F-3
Description and Operation . . . . . . . . . . . . . . . . . . 1F-4
Ignition System Operation . . . . . . . . . . . . . . . . . . 1F-4
Electronic Ignition System Ignition Coil . . . . . . . . . 1F-4
Crankshaft Position Sensor . . . . . . . . . . . . . . . . . 1F-4
Camshaft Actuator . . . . . . . . . . . . . . . . . . . . . . . . 1F-4
Camshaft Position Sensor . . . . . . . . . . . . . . . . . . 1F-5
Fuel Control System Operation (2.3L DOHC) . . . . 1F-5
Fuel Control System Operation (3.2L DOHC) . . . . 1F-6
Evaporative Emission Control System
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F-7
Evaporative Emission Canister . . . . . . . . . . . . . . . 1F-7
Positive Crankcase Ventilation Control
System Operation . . . . . . . . . . . . . . . . . . . . . . . 1F-7
Engine Coolant Temperature Sensor . . . . . . . . . . . 1F-7
Throttle Valve Actuator . . . . . . . . . . . . . . . . . . . . . 1F-7
Resonance Flap (3.2L DOHC) . . . . . . . . . . . . . . . 1F-8
Accelerator Pedal Position Sensor . . . . . . . . . . . . 1F-8
Catalyst Monitor Oxygen Sensors . . . . . . . . . . . . 1F-8
Intake Air Temperature Sensor . . . . . . . . . . . . . . . 1F-9
Hot Film Mass Air Flow Meter (3.2L DOHC) . . . . . 1F-9
Manifold Absolute Pressure Sensor
(2.3L DOHC) . . . . . . . . . . . . . . . . . . . . . . . . . . 1F-9
Engine Control Module . . . . . . . . . . . . . . . . . . . . 1F-10
Fuel Injector . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F-10
Knock Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . 1F-10
Strategy-Based Diagnostics . . . . . . . . . . . . . . . . 1F-10
EOBD Serviceability Issues . . . . . . . . . . . . . . . . 1F-11
Serial Data Communications . . . . . . . . . . . . . . . 1F-12
Euro On-Board Diagnostic (EOBD) . . . . . . . . . . . 1F-12
Comprehensive Component Monitor
Diagnostic Operation . . . . . . . . . . . . . . . . . . . . 1F-12
Primary System-Based Diagnostics . . . . . . . . . . 1F-15
TABLE OF CONTENTS
Diagnostic Information and Procedure . . . . . . . 1F-17
System Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . 1F-17
Diagnostic Aids . . . . . . . . . . . . . . . . . . . . . . . . . 1F-17
Euro On-Board Diagnostic (EOBD) System
Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F-20
Engine Crank But Will Not Run (2.3L DOHC) . . . 1F-23
Engine Crank But Will Not Run (3.2L DOHC) . . . 1F-31
No Malfunction Indicator Lamp . . . . . . . . . . . . . . 1F-38
Malfunction Indicator Lamp On Steady . . . . . . . . 1F-42
Fuel System Diagnosis . . . . . . . . . . . . . . . . . . . 1F-44
Fuel Pump Relay Circuit Check . . . . . . . . . . . . . 1F-48
Over Voltage Protection Relay (OVPR)
Circuit Check . . . . . . . . . . . . . . . . . . . . . . . . . 1F-52
Ignition System Check (2.3L DOHC) . . . . . . . . . . 1F-56
Ignition System Check (3.2L DOHC) . . . . . . . . . . 1F-60
Engine Cooling Fan Circuit Check -
With A/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F-64
Data Link Connector Diagnosis . . . . . . . . . . . . . 1F-70
Trouble Code Diagnosis . . . . . . . . . . . . . . . . . . . . . 1F-74
Clearing Trouble Codes . . . . . . . . . . . . . . . . . . . 1F-74
Diagnostic Trouble Codes . . . . . . . . . . . . . . . . . . 1F-74
Maintenance and Repair . . . . . . . . . . . . . . . . . 1F-422
On Vehicle Service . . . . . . . . . . . . . . . . . . . . . . . 1F-422
Discharging the Pressure In Fuel System
(2.3L DOHC) . . . . . . . . . . . . . . . . . . . . . . . . . 1F-422
Discharging the Pressure In Fuel System
(3.2L DOHC) . . . . . . . . . . . . . . . . . . . . . . . . . 1F-422
Fuel Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F-432
Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F-424
Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1F-424
Fuel Pressure Regulator (2.3L DOHC) . . . . . . . . 1F-425
Fuel Pressure Regulator (3.2L DOHC) . . . . . . . . 1F-426
1F-2 ENGINE CONTROLS
SSANGYONG Y158
Fuel Rail and Injectors (2.3L DOHC) . . . . . . . . . 1F-427
Fuel Rail and Injectors (3.2L DOHC) . . . . . . . . . 1F-429
Engine Coolant Trmperature Sensor
(2.3L DOHC) . . . . . . . . . . . . . . . . . . . . . . . . . 1F-430
Engine Coolant Trmperature Sensor
(3.2L DOHC) . . . . . . . . . . . . . . . . . . . . . . . . . 1F-431
Throttle Body (Integrated With the Actuator)
(2.3L DOHC) . . . . . . . . . . . . . . . . . . . . . . . . . 1F-431
Throttle Body (Integrated With the Actuator)
(3.2L DOHC) . . . . . . . . . . . . . . . . . . . . . . . . . 1F-432
Intake Air Temperature Sensor (2.3L DOHC) . . . 1F-433
Manifold Absolute Pressure Sensor
(2.3L DOHC) . . . . . . . . . . . . . . . . . . . . . . . . . 1F-433
Hot Film Air Mass Sensor (3.2L DOHC) . . . . . . 1F-434
Konck Sensor . . . . . . . . . . . . . . . . . . . . . . . . . 1F-434
Oxygen Sensor (2.3L DOHC) . . . . . . . . . . . . . . 1F-435
Oxygen Sensor (3.2L DOHC) . . . . . . . . . . . . . . 1F-436
Purge Control Valve (2.3L DOHC) . . . . . . . . . . . 1F-437
Purge Control Valve (3.2L DOHC) . . . . . . . . . . . 1F-437
Canister (2.3L DOHC) . . . . . . . . . . . . . . . . . . . 1F-438
Canister (3.2L DOHC) . . . . . . . . . . . . . . . . . . . 1F-438
Camshaft Position Sensor (2.3L DOHC) . . . . . . 1F-439
Camshaft Position Sensor (3.2L DOHC) . . . . . . 1F-439
Accelerator Pedal Position Sensor . . . . . . . . . . 1F-440
Crankshaft Position Sensor . . . . . . . . . . . . . . . 1F-440
Engine Control Module . . . . . . . . . . . . . . . . . . . 1F-441
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 1F-442
Fastener Tightening Specifications . . . . . . . . . . 1F-442
Engine Data Display Tables . . . . . . . . . . . . . . . 1F-443
Engine Data Display Table Definition . . . . . . . . . 1F-444
Fuel System Specification . . . . . . . . . . . . . . . . 1F-445
Schematic and Routing Diagrams . . . . . . . . . . 1F-446
Ecm Wiring Diagram (2.3L DOHC) (MSE 3.53D) 1F-446
Ecm Wiring Diagram (3.2L DOHC) (MSE 3.63D) 1F-453
Special Tools and Equipment . . . . . . . . . . . . . 1F-461
Special Tools Table . . . . . . . . . . . . . . . . . . . . . 1F-461
ENGINE CONTROLS 1F-3
SSANGYONG Y158
ENGINE AND ECM PROBLEM CHECK REPORT
VEHICLE AND CUSTOMER INFORMATION
Date Problem Occurred
Customer Name
Driver Name
Purchase date
Vehicle Model
VIN
Engine Model
Km
miles
License No.
Mileage
Condition of MIL
DTC inspection
(if available)
MIL INFORMATION
o
Remains on
o
Sometimes illuminates
o
Does not illuminate
o
Normal
o
Malfunction code(s) (code )
o
Freeze Frame data ( )
o
Engine Does Not Start
o
Hard to Start
o
Poor Idling
o
Poor Driveability
o
Engine Stall
o
Others
PROBLEM DESCRIPTION
o
No cranking
o
No initial combustion
o
No complete combustion
o
Slow cranking
o
Others
o
Incorrect first Idle
o
Abnormal idle rpm
o
High (rpm)
o
Low (rpm)
o
Idling Unstable
o
Others
o
Hesitation
o
Back fire
o
Muffler explosion (after-burning)
o
Surging
o
Knocking
o
Poor performance
o
Other
o
Soon after starting
o
After accelerator pedal depressed
o
After accelerator pedal released
o
During A/C operation
o
Shifting from N to D or D to N
o
At full steering
o
Others
Problem Frequency
Weather
Ambient Temperature
Place
Engine Temperature
Engine Operation
CONDITION WHEN PROBLEM OCCURS
o
Constant
o
Intermittent (times per day/month)
o
Once only
o
Others
o
Fine
o
Cloudy
o
Rainy
o
Snowy
o
Various/Others
o
Hot
o
Warm
o
Cool
o
Cold (approx.____°F/____°C)
o
Highway
o
Suburbs
o
Inner City
o
Uphill
o
Downhill
o
Rough Road
o
Others
o
Cold
o
Warming Up
o
Before warming up
o
After warm-up
o
Any temp.
o
Others
o
Starting
o
Just after starting (min.)
o
Idling
o
Racing
o
Driving
o
Constant speed
o
Acceleration
o
Deceleration
o
A/C switch ON/OFF
o
Other
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