Daewoo Musso. Manual - part 148

M162 ENGINE CONTROLS  1F1-31

FUEL PUMP TEST

Preparation

1 ECU
2 Test Coupling(No.1-60)
3 Test Coupling(No.61-120)
4 Stop Watch
5 Measuring Beaker

Connection of the Equipment

1. Turn the ignition switch to "OFF" position.

2. Connect the test box to the ECU.

03 Test Box
04 ECU Test Cable

Tools Required

103 589 00 21 00  Pressure Tester

210 589 00 99 00  Adaptor Line

129 589 00 21 00  Test Box

210 589 08 63 00  Ecu Test Cable

1F1-32  M162 ENGINE CONTROLS

Failure

code

Item

Checking method

Test

step

Requirement

Specified

value

Possible cause

1 liter of fuel

supply for

max. 35

seconds

·

·

·

·

·

 Fuel pump:

- Fuel supply

ratio

·

 Ignition:ON

- Disconnect the fuel

return pipe and

connect the host to

beaker to collect the

supplied fuel

Þ 

1.0

·

 

Þ 

2.0

·

 Check the fuel line

5 - 9 A

·

·

·

·

·

 Fuel pump:

- Current

consumption

·

 Ignition:ON

- Remove the fuel

relay from the fuse

and relay box in

luggage

compartment and

connect the

amperemeter

between No.1 and

No.3 in relay

box(fuel pump relay

removed position)

for measuring

current consumption

Þ 

2.0

·

 Fuel pump

5

33

Multi tester(DC current)

3

1

M162 ENGINE CONTROLS  1F1-33

Connection of the Equipment

1. Connect the test box to the ECU as shown in the figure.

2. Remove the 2-pin coupling from injector.

3. Remove the fuel distributor and injector with a unit. At this

time, do not remove the supply and return line.

4. Connect the shop made cable to the injector with a firing

order.

5. Collect the fuel from injector.

INJECTOR TEST

1 ECU
2 Test Coupling(No.1-60)
3 Test Coupling(No.61-120)
4 Measuring Beaker
5 Shop Made Cable

Preparation

03 Test Box
04 ECU Test Cable

Tools Required

129 589 00 21 00  Test Box

210 589 08 63 00  Ecu Test Cable

1F1-34  M162 ENGINE CONTROLS

Figure 9. Shop Made Cable

Figure 10. Fuel Injector Normal Spary Pattern

Failure

code

Item

Checking method

Test

step

Requirement

Specified

value

Possible cause

There should

be no leaks

and later

drops from

the injector

·

·

·

·

·

 Injector:

- Leakage test

·

 Ignition:ON

- Remove the fuel

distributor and fuel

injector with a unit.

Þ 

1.0

The spray

pattern of the

injector most

show in the

figure 10.

·

 Ignition:ON

- Connect the shop

made cable to the

injector

- Collect the spraying

fuel with a beaker

- Connect the shop

made cable to

No.21(+) and No.3

  (-) terminal in test

box

Þ 

2.0

·

 Injector

5

33

·

·

·

·

·

 Injector:

- Function test

and spray

pattern

check

5

33