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SsangYong Musso. Manual - part 222

SUSPENSION DIAGNOSIS 2A-11

Connector Pin Number and Circuits

Ignition

Actuator R-MEDIUM

Actuator R-SOFT

Actuator F-HEAD

Select Switch

Speed Sensor

Wheel G Sensor

Wheel G Sensor Ground

Vertical G Sensor

Sensor +5V

Chassis Ground

Indicator Lamp

NO.

Circuit

NO.

Circuit

Chassis Ground

Actuator R-HEAD

Actuator F-MEDIUM

Actuator F-SOFT

Brake Switch

Lateral G Sensor

Lateral G Sensor Ground

Vertical G Sensor Ground

Diagnosis K Line

Diagnosis L Line

2A-12 SUSPENSION DIAGNOSIS

SELF DIAGNOSIS TEST

DIAGNOSIS TEST

Special Tool Requirements : Scanner

1. Position the ignition switch to 'OFF'.

2. Connect Scanner harness connector to the engine

compartment diagnosis socket.

3. Turn the ignition switch to 'ON' position.

4. Select "Electronic control vehicle diagnosis" from function

selection display and press "Enter".

5. Select "Musso ('98 model year)" from vehicle model selection

display and press 'Enter'.

6. Select "Electronic suspension system (ECS)" from control

system selection display and press 'Enter'.

7. Select "Self-diagnosis" from diagnosis item selection display.

Notice

Check sensor value output display, if necessary.

8. Determine the fault code and check defective component.

Notice

Refer to self-diagnosis list.

SUSPENSION DIAGNOSIS 2A-13

Self - Diagnosis List

Fault

Code

Defects

Service Hint

Vertical Acceleration Sensor

Lateral Acceleration Sensor

Wheel Acceleration Sensor

Rear Step Motor

ECU

Front Step Motor

1. Check sensor supply voltage

Condition - IGN ON

Standard value - voltage between pin 11 and 8 of ECU :
4.5 - 5.0V

2. Check sensor output voltage

Condition - IGN ON

Standard value - voltage between pin 20 and 11 of ECU
: 0.5 - 4.5V

3. Check the sensor.
4. Check circuit for open.
5. Check connection of other connectors.

1. Check sensor supply voltage

Condition - IGN ON

Standard value - voltage between pin 11 and 8 of ECU :
4.5 - 5.0V

2. Check sensor output voltage

Condition - IGN ON

Standard value - voltage between pin 10 and 11 of ECU
: 0.5 - 4.5V

3. Check the sensor.
4. Check circuit for open.
5. Check connection of other connectors.

1. Check step motor supply voltage.
2. Check circuit for open.
3. Check connection of other connectors.

1. Check connectors of ECU.
2. Replace the ECU.

1. Check sensor supply voltage

Condition - IGN ON

Standard value - voltage between pin 11, 8 and pin
7,11 of ECU : 4.5 - 5.0V

2. Check sensor output voltage
3. Check the sensor.
4. Check circuit for open.
5. Check connection of other connectors.

SECTION 2B

WHEEL ALIGNMENT

TABLE OF CONTENTS

SPECIFICATIONS

WHEEL ALIGNMENT SPECIFICATIONS

Application

Camber

Caster

Toe-in

King Pin Inclination

Description

° ±

30'

0 - 4 mm

30'

Specifications . . . . . . . . . . . . . . . . . . . . . . . . 2B-1

Wheel Alignment Specifications . . . . . . . . . . . 2B-1

Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . 2B-2

Tire Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . 2B-2

Radial Tire Lead/Pull . . . . . . . . . . . . . . . . . . . 2B-3

Vibration Diagnosis . . . . . . . . . . . . . . . . . . . . . 2B-5

Maintenance and Repair . . . . . . . . . . . . . . . 2B-6

On-Vehicle Service . . . . . . . . . . . . . . . . . . . . . . 2B-6

Wheel Alignment . . . . . . . . . . . . . . . . . . . . . . . 2B-6

General Description and System

Operation . . . . . . . . . . . . . . . . . . . . . . . . . 2B-9

Four Wheel Alignment . . . . . . . . . . . . . . . . . . 2B-9

Toe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2B-9

Caster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2B-9

Camber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2B-9

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