Daewoo Musso. Manual - part 143

M162 ENGINE CONTROLS  1F1-11

FUEL INJECTION SYSTEM TEST (MSE3.62)

Failure

code

Item

Þ 

1.0

Checking method

·

 

Ignition:ON

Test

step

Requirement

Specified

value

Possible cause

10

12

11 -14V

·

·

·

·

·

 ECU:power

supply

- terminal

30(TM.30)

Þ 

2.2

·

·

·

·

·

 

Power

supply:

- terminal

87(TM.87)

·

 

Ignition:ON

·

 Power supply cable

·

 OVPR

08,

·

Þ 

1.1

·

Þ 

1.2

Þ 

1.1

·

 

Ignition:ON

10

2

11 -14V

·

·

·

·

·

 Ground

cable:

- Battery

ground

·

 Ground cable

·

 Ground condition

Diagnosis

socket

69

2

Diagnosis

socket

Þ 

1.2

·

 

Ignition:ON

1

12

11 -14V

·

·

·

·

·

 Power

supply:

- terminal

30(TM.30)

·

 Power supply cable

Diagnosis

socket

Þ 

2.0

·

 

Ignition:ON

5

11

11 -14V

·

·

·

·

·

 ECU:power

supply

- terminal

87(TM.87)

08,

·

Þ 

1.1

·

Þ 

2.1

Þ 

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

Þ 

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

Þ 

4.0

·

·

·

·

·

 

HFM sensor

signal

105

81

·

 

Ignition:ON

0.9 - 1.1V

·

 

 Þ 

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

Þ 

4.1

105

4

·

 

Ignition:ON

·

 HFM sensor

connector removed

4.7 - 5.2V

·

 

Cable

·

 

ECU coupling

·

·

·

·

·

 

HFM sensor:

- 5V power

supply

HFM

sensor

Þ 

4.2

3

108

·

 

Ignition:ON

·

 HFM sensor

connector removed

4.7 - 5.2V

·

 

 Þ 

4.3

·

 

Cable

·

·

·

·

·

 

HFM sensor:

- 5V power

supply

HFM

sensor

Þ 

4.3

104

2

·

 

Ignition:ON

·

 HFM sensor

connector removed

11 - 14V

·

 

Cable

·

 

OVPR

·

·

·

·

·

 

HFM sensor:

- 12V power

supply

HFM

sensor

03,

04,

05,

Þ 

5.0

·

·

·

·

·

 

Intake air

temperature

sensor:

- Voltage

105

80

·

 

Ignition:ON

·

 

 Þ 

5.1

·

 

ECU

±

 

5%

Þ 

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%

W

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

Þ 

6.1

·

 

Ignition:ON

0.1 - 0.3A

·

 

Cable

·

 

Fuel pump relay

·

 

ECU

·

·

·

·

·

 

Fuel pump

relay:

- Current

consumption

00,

01,

02,

06,

Þ 

7.0

·

·

·

·

·

 

Coolant

temperature

sensor:

- Voltage

79

78

·

 

Ignition:ON

°

C

V

20

3.57

80

1.22

100

  0.78

·

 

 Þ 

7.1

·

 

ECU

±

5%

Þ 

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

Þ 

7.1

·

 

Ignition:OFF

(Remove the No.2

coupling from ECU)

79

78

·

 

Þ 

7.2

·

 

Cable

·

·

·

·

·

 

Coolant

temperature

sensor:

- Resistance

& cable

°

C

W

  20       2500

80

   322

100

185

±

5%

Þ 

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.

·

 

Þ

 refer to

specified

resistance

value of 7.1

·

 

Coolant

temperature

sensor

34,

35,

1F1-14  M162 ENGINE CONTROLS

Failure

code

Item

Checking method

Test

step

Requirement

Specified

value

Possible cause

Þ 

9.0

·

 Keep the engine run

above 2 minutes in

over 80

°

C of coolant

temperature.

6.0 - 7.0 V

·

 

ECU

·

 

Cable

·

 

Oxygen sensor

·

·

·

·

·

 

Oxygen

sensor:

- Signal

80,

81,

82,

83,

89,

5

60

Þ 

8.0

·

 Engine:in cranking or

idle

5

60

·

 

Cable

·

 

ECU

·

·

·

·

·

 

ECU:

- RPM signal

output

32,

33,

refer to figure

2

Þ 

10.0

·

 Keep the engine run

above 2 minutes in

over 80

°

C of coolant

temperature.

·

·

·

·

·

 

Oxygen

sensor:

- Heating

function

operated

Þ 

11.0

·

·

·

·

·

 

No.1

cylinder

injector:

- Operating &

injection

time

·

 When the coolant

temperature is

approx. 20

°

C:

- Engine:in cranking

8.0 ms

·

 

Cable

·

 

ECU

·

 

No.1 Injector

·

 

Coolant

temperature sensor

·

 

Oxygen sensor

·

 

Intake air

temperature sensor

- Voltage

·

 Engine:in cranking

or idle

(above 5V in idling)

16

17

5

9

9

11

·

 

Ignition:ON

11 - 14 V

·

 

ECU

·

 

Cable

·

 

Oxygen sensor

- Current

consumption

0.2 - 2.0 A

72,

73,

63

11

·

 When the coolant

temperature is

approx. 80

°

C:

- Engine:at idling

speed

- Engine:at sharp

acceleration(full

throttle)

  (refer to figure 3 and

4)

approx.

2.7 - 5.0ms

approx.

14ms

There will be a

voltage

fluctuation in

the range of

- 0.2 -1.0V

85,

86,

87,