SsangYong Musso. Manual — part 313

1F1-10 M162 ENGINE CONTROLS

TEST BOX CONNECTION

1 ECU
2 Test Coupling(No.1 - 60)
3 Test Coupling(No.61 - 120)
4 Multi-tester

01 Test Box
02 ECU Test Cable

Tools Required

129 589 00 21 00 Test Box

210 589 08 63 00 ECU Test Cable

M162 ENGINE CONTROLS 1F1-11

FUEL INJECTION SYSTEM TEST (MSE3.62)

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

08,

•

⇒

1.1

•

⇒

1.2

⇒

1.1

•

Ignition:ON

10

2

11 -14V

•••••

Ground

cable:

- Battery

ground

•

Ground cable

•

Ground condition

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,

•

⇒

1.1

•

⇒

2.1

⇒

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

•

Engine:in Cranking

5

2

•

Cable

•

Ignition switch

11 -14

(during engine

cranking)

•••••

Start signal:

- terminal

50(TM.50)

1F1-12 M162 ENGINE CONTROLS

Failure

code

Item

09,

10,

11,

Checking method

Test

step

Requirement

Specified

value

Possible cause

⇒

4.0

•••••

HFM sensor

signal

105

81

•

Ignition:ON

0.9 - 1.1V

•

⇒

4.1 - 4.3

•

Cable

•

External air inflow

•

HFM sensor

•

Engine:in Idle

(Coolant temperature

: > 70

°

C )

: voltage value is

increased when

engine rpm is

increased

1.3 - 1.7V

⇒

4.1

105

4

•

Ignition:ON

•

HFM sensor

connector removed

4.7 - 5.2V

•

Cable

•

ECU coupling

•••••

HFM sensor:

- 5V power

supply

HFM

sensor

⇒

4.2

3

108

•

Ignition:ON

•

HFM sensor

connector removed

4.7 - 5.2V

•

⇒

4.3

•

Cable

•••••

HFM sensor:

- 5V power

supply

HFM

sensor

⇒

4.3

104

2

•

Ignition:ON

•

HFM sensor

connector removed

11 - 14V

•

Cable

•

OVPR

•••••

HFM sensor:

- 12V power

supply

HFM

sensor

03,

04,

05,

⇒

5.0

•••••

Intake air

temperature

sensor:

- Voltage

105

80

•

Ignition:ON

•

⇒

5.1

•

ECU

±

5%

⇒

5.1

•

Ignition:OFF

•

No.2 ECU coupling

removed

105

80

•

Cable

•

HFM sensor

•••••

Intake air

temperature

sensor:

- Resistance

°

C

10

20

30

40

50

60

±

5%

Ω

3600

2420

1662

1166

853

600

°

C

10

20

30

40

50

60

V

3.1

2.65

2.18

1.76

1.4

1.1

M162 ENGINE CONTROLS 1F1-13

Failure

code

Item

Checking method

Test

step

Requirement

Specified

value

Possible cause

⇒

6.1

•

Ignition:ON

0.1 - 0.3A

•

Cable

•

Fuel pump relay

•

ECU

•••••

Fuel pump

relay:

- Current

consumption

00,

01,

02,

06,

⇒

7.0

•••••

Coolant

temperature

sensor:

- Voltage

79

78

•

Ignition:ON

°

C

V

20

3.57

80

1.22

100

0.78

•

⇒

7.1

•

ECU

±

5%

⇒

6.0

•

Ignition:ON

(Fuel pump relay will

operate for 1 - 2

seconds when the

ignition switch is

turned to "ON" after

stopping the engine)

•

Engine:cranking

33

11

•

Cable

•

Fuel pump relay

•••••

Fuel pump

relay:

- Operation

34,

11 - 14V

(approx.1-

2sec.)

11 - 14V

(Cranking or
driving)

5

33

⇒

7.1

•

Ignition:OFF

(Remove the No.2

coupling from ECU)

79

78

•

⇒

7.2

•

Cable

•••••

Coolant

temperature

sensor:

- Resistance

& cable

°

C

Ω

20 2500

80

322

100

185

±

5%

⇒

7.2

•••••

Coolant

temperature

sensor:

- Resistance

Coolant temperature

sensor:

1

4

•

Remove the

connector from

coolant temperature

sensor and measure

the resistance

between No.1 and

No.2 pin with

multimeter.

•

⇒

refer to

specified

resistance

value of 7.1

•

Coolant

temperature

sensor

34,

35,