Daewoo CIELO EURO III Manual page 489

DTC P0406 Exhaust Gas Recirculation (EGR) Pintle Position Sensor High Voltage
Step
1. Turn the ignition switch OFF.
10
2. Replace the EGR valve.
Is the action complete?
Check for a short to voltage in the EGR valve signal
circuit and repair as necessary.
11
Is a repair necessary?
1. Turn the ignition switch OFF.
2. Replace the
12
engine control module (ECM).
Is the action complete?
Check the affected circuit for a poor connection or
proper terminal tension at the ECM and repair
13
as necessary.
Is a repair necessary?
1. Using the scan tool, clear the Diagnostic Trouble
Codes (DTCs).
2. Start the engine and idle at normal operating
temperature.
14
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 ran
and passed?
Check if any additional DTCs are set.
15
Are any DTCs displayed that have not been diag-
nosed?
DAEWOO T-154 BL2,3
(Cont'd)
Action
ENGINE CONTROLS 1F – 319
Value Yes
–
Go to Step 14
–
Go to Step 14
–
Go to Step 14
–
Go to Step 14
–
Go to Step 15
– Go to applicable
DTC table
No
–
Go to Step 12
–
Go to Step 12
Go to Step 2
System OK