Daewoo CIELO EURO III Manual page 245

Engine Cooling Fan Circuit Check – With A/C (Cont'd)
Step
1. Turn the ignition OFF.
2. Connect the cooling fan relay A.
3. Disconnect the
engine control module (ECM) white
connector.
13
4. Connect a fused jumper between the ECM
connector terminal K28 and ground.
5. Turn the ignition ON.
Do the cooling fans run at low speed?
Check for an open wire between the low speed cool-
ing fan relay connector terminal 85 and the
14
ECM connector terminal K28.
Is the problem found?
1. Turn the ignition OFF.
2. Disconnect the cooling fan relay A.
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3. Connect a test light between the cooling fan
relay A connector terminal 30 and ground.
Is the test light on?
Connect a fused jumper between the cooling fan
relay A connector terminals 30 and 87.
16
Do the cooling fans run at low speed?
1. Disconnect the cooling fan control relay.
2. Connect a fused jumper between the cooling fan
relay A connector terminals 30 and 87.
17
3. Connect a fused jumper between the cooling fan
control relay connector terminals 30 and 87.
Do the cooling fans run at low speed?
Check the wire between the cooling fan relay A
connector terminal 87 to the main cooling fan
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connector terminal B for an open.
Is the problem found?
Check the wire between the main cooling fan
connector terminal A and the cooling fan control
19
relay connector terminal 30 for an open.
Is the problem found?
Check the wire between the cooling fan control relay
connector terminal 87A and the auxiliary cooling fan
20
connector terminal B for an open.
Is the problem found?
Check for an open wire between the auxiliary cooling
fan connector terminal A and ground.
21
Is the problem found?
Repair the open wire as needed.
22
Is the repair complete?
Repair the open between the cooling fan relay A
connector terminal 30 and the fuse F14.
23
Is the repair complete?
Repair the open between the cooling fan relay A
connector terminal 86 and the ignition switch.
24
Is the repair complete?
DAEWOO T-154 BL2,3
Action
ENGINE CONTROLS 1F – 77
Value(s) Yes
–
Go to Step 30
–
Go to Step 25
–
Go to Step 16
–
Go to Step 26
–
Go to Step 27
–
Go to Step 22
–
Go to Step 22
–
Go to Step 22
–
Go to Step 22
– System OK
–
System OK
–
System OK
No
Go to Step 14
Go to Step 15
Go to Step 23
Go to Step 17
Go to Step 18
Go to Step 19
Go to Step 20
Go to Step 21
Go to Step 29
–
–
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