Daewoo CIELO EURO III Manual page 505

DTC P0506 Idle Speed RPM Lower Than Desired Idle Speed (Cont'd)
Step
Inspect the IAC valve passages.
11
Is a problem found?
Check the test light.
12 Does the test light remain ON constantly for the
terminals that did not blink?
1. Turn the ignition OFF.
13 2. Replace the IAC valve.
Is the action complete?
1. Turn the ignition OFF.
14
2. Replace the
Is the action complete?
1. Using the scan tool, clear the Diagnostic Trouble
Codes (DTCs).
2. Start the engine and idle at normal operating
temperature.
15
3. Operate the vehicle within the conditions for
setting this DTC as specified in the supporting
text.
Does the scan tool indicate that this diagnostic has
run and passed?
Check if any additional DTCs are set.
16 Are any DTCs displayed that have not been
diagnosed?
DAEWOO T-154 BL2,3
Action
ECM.
ENGINE CONTROLS 1F – 335
Value Yes
–
Go to Step 15
–
Go to Step 9
–
Go to Step 15
–
Go to Step 15
–
Go to Step 16
– Go to applicable
DTC table
No
Go to Step 13
Go to Step 7
–
–
Go to Step 2
System OK