Daewoo MATIZ - Page 148

1F–50 ENGINE CONTROLS
DAEWOO M-150 BL2
Engine Cooling Fan Circuit Check (Cont’d)
Step Action Value(s) Yes No
12
1. Turn the ignition ON.
2. Connect a test light between terminals 86 and 30
of low speed cooling fan relay and ground.
Does the test light on for both case?
–
Go to Step 14 Go to Step 13
13
Repair power supply circuit.
D Fuse EF15 and terminal 30 of low speed cooling
fan relay.
Is the repair complete?
–
System OK Go to Step 14
14
1. Turn the ignition OFF.
2. Disconnect Engine Control Module (ECM)
connectors.
3. Turn the ignition ON.
4. Connect a jump wire between terminal 5 and
ground.
Does the cooling fan run at low speed?
–
Go to Step 15 Go to Step 16
15
Replace the ECM.
Is the repair complete?
–
System OK
–
16
1. Turn the ignition OFF.
2. Measure the resistance between following
terminals:
D Terminal 85 of low speed cooling fan relay and
terminal 39 of ECM connector.
Are the resistance within the value specified? 0 Ω Go to Step 18 Go to Step 17
17
Repair open circuit.
Is the repair complete?
–
System OK
–
18
Replace the low speed cooling fan relay.
Is the repair complete?
–
System OK
–