SsangYong Musso. Service manual - part 335

M161 ENGINE CONTROLS  1F2-19

Reference Figures

Figure1. RPM Sgnal Output

Figure 2. Injection Valve Wave(at idle speed)

Figure 3. Injection Valve Wave(at sharp

acceleration)

Figure 4. Purge Control Valve Operationg Wave

1F2-20  M161 ENGINE CONTROLS

Failure

code

Item

⇒ 

1.0

Checking method

•

 

Ignition:ON

Test

step

Requirement

Specified

value

Possible cause

10

12

11 - 14V

•••••

 ECU:power

supply

- terminal 30

(TM.30)

⇒ 

2.2

•••••

 

Power

supply:

- terminal 87

(TM.87)

•

 

Ignition:ON

•

 Power supply cable

•

 OVPR

IGNITION SYSTEM TEST

08,

•

 

⇒ 

1.1

•

 

⇒ 

1.2

⇒ 

1.1

•

 

Ignition:ON

10

2

11 - 14V

•••••

 Ground

cable:

- Battery

ground

•

 Ground cable

•

 Ground condition

(figure 1)

Diagnosis

socket

69

2

Diagnosis

socket

⇒ 

1.2

•

 

Ignition:ON

1

12

11 - 14V

•••••

 Power

supply:

- terminal 30

(TM.30)

•

 Power supply cable

Diagnosis

socket

⇒ 

2.0

•

 

Ignition:ON

5

11

11 -14V

•••••

 ECU:power

supply

- terminal 87

(TM.87)

08,

•

 

⇒ 

2.1

•

 

⇒ 

2.2

⇒ 

2.1

•

 

Ignition:ON

11 - 14V

•••••

 Ground

cable

- Electronic

ground

•

 Ground cable

5

2

Diagnosis

socket

1

11

Diagnosis

socket

•

 

Ignition:OFF

11 - 14V

< 1V

⇒ 

3.0

•

 

Ignition:ON

69

72

11 - 14 V

•••••

 Ignition

coil(T1/1)

- No.1,4

Cylinder

64,

•

 

Cable

•

 

Ignition coil(T1/1)

•

 

Fuse No.17

•

 

Engine:in cranking

> 10 V

M161 ENGINE CONTROLS  1F2-21

Failure

code

Item

Checking method

Test

step

Requirement

Specified

value

Possible cause

⇒ 

5.1

•••••

 Crankshaft

position

sensor:

- Resistance

•

 

Ignition:OFF

- Disconnect the

coupling “No.2”

from ECU (engine

side coupling).

•

 Cable

•

 Crankshaft position

sensor

⇒ 

5.0

•

 

Engine:in cranking

99

100

Measure the

signal (refer to

figure 6)

•••••

 Crankshaft

position

sensor:

- Signal

17,

18,

20,

67,

•

 Increament failure

in driven plate

•

 

⇒ 

5.1

> 5 V -

99

100

99

100

1050 - 1400

Ω

⇒ 

6.0

•

 

Engine:in cranking

104

106

•

 

⇒ 

6.1

•

 

Cable

•

 Camshaft position

sensor

Measure the

signal(refer to

figure 8)

•••••

 Camshaft

position

sensor:

(E23 only)

- Signal

⇒ 

4.0

•

 

Ignition:ON

69

71

11 -14 V

•••••

 Ignition

coil(T1/2)

- No.2,3

Cylinder

65,

•

 

Cable

•

 

Ignition coil(T1/2)

•

 

Fuse No.17

•

 

Engine:in cranking

> 10 V

•

 

Engine:idling

- Voltage

(alternating)

•

 

Engine:in cranking

•

 

Engine:idling

> 2.5 V -

19,

58,

106

11

The value will

be changed in

1.2 - 1.7 V.

- Voltage

(alternating)

•

 

Engine:in cranking

⇒ 

6.1

•

 

Ignition:ON

- Remove the

connector from the

camshaft position

sensor

1

3

11 -14 V

•••••

 Camshaft

position

sensor

  (E23 only)

 - Power supply

•

 

Cable

•

 

OVPR

Camshaft position

sensor

1F2-22  M161 ENGINE CONTROLS

Failure

code

Item

Checking method

Test

step

Requirement

Specified

value

Possible cause

0.9 - 1.6 

Ω

72

11

72

71

•••••

 Ignition

coil(T1/1)

- Primary coil

voltage

(No.1 , 4

cylinder)

•

 Engine:in cranking

(starter operating)

- Measuring range:

400 V

- Time range: 100 %

(using engine tester)

•

 

Ignition:OFF

200 - 350 V

64,

⇒ 

7.0

•

 

⇒ 

7.1

⇒ 

7.1

•••••

 Connection

ignition coil

between T1/

1 and T1/2

•

 Cable

•

 Ignition coil T1/1

•

 Ignition coil T1/2

71

11

•••••

 Ignition

coil(T1/2)

- Primary coil

voltage

(No.2 , 3

cylinder)

•

 Engine:in cranking

(starter operating)

- Measuring range:

400 V

- Time range: 100 %

(using engine tester)

200 - 350 V

65,

⇒ 

8.0

•

 

⇒ 

8.1

0.9 - 1.6 

Ω

71

72

•

 

Ignition:OFF

⇒ 

8.1

•••••

 Connection

ignition coil

between T1/

1 and T1/2

•

 Cable

•

 Ignition coil T1/1

•

 Ignition coil T1/2

The

resistance of

ignition coil at

20

°

C is

approached

0.6

Ω.

The

resistance of

ignition coil at

20

°

C is

approached

0.6

Ω.

8 - 20 KV

•••••

 Ignition coil

(T1/1, T1/2)

- Secondary

ignition

voltage

•

 

Engine:in cranking

- Select the ignition

coil in order of T1/1,

T1/2

- Measuring range :

20KV

- Time range : 100%

⇒ 

9.0

64,

65,

Engine tester

•

 

⇒ 

9.1

•

 Ignition plug

•

 ECU

•

 High tension cable