1F–228 ENGINE CONTROLS
DAEWOO M-150 BL2
DTC P0480 – Low Speed Cooling Fan Relay Circuit Fault (WITHOUT A/C) (Cont’d)
Step Action Value(s) Yes No
9
Check the connection at the ECM.
Is a problem found and corrected?
–
Go to Step 11 Go to Step 13
10
Repair the faulty relay control circuit.
Is the repair complete?
–
Go to Step 14
–
11
Repair the faulty relay ignition feed circuit.
Is the repair complete?
–
Go to Step 14
–
12
Replace the relay.
Is the replacement complete?
–
Go to Step 14
–
13
Replace the ECM.
Is the replacement complete?
–
Go to Step 14
–
14
1. Using the scan tool, clear the Diagnostic Trouble
Codes (DTCs).
2. Start the engine and idle at normal operating
temperature.
3. Operate the vehicle within the conditions for
setting the DTC as specifiec in the supporting
text.
Does the scan tool indicate that this diagnostic ran
and passed?
–
Go to Step 15 Go to Step 2
15
Check if any additional DTCs are set.
Are any DTCs displayed that have not been
diagnosed?
–
Go to
Applicable DTC
table
System OK
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