Daewoo MATIZ Service Manual page 288

1F – 190 ENGINE CONTROLS
DTC P1403 – Electric Exhaust Gas Recirculation Valve Failure (Cont'd)
Step
Check the EEGR ground circuit for a poor
connection or proper terminal tension at the ECM
13
and repair as necessary.
Is a repair necessary?
Check the 5V reference circuit for a shortage to
battery voltage and repair as necessary.
14
Is a repair necessary?
Check the control circuit for a shortage to ground
and repair as necessary.
15
Is a repair necessary?
Check the control circuit for an open or poor
connection at the EEGR valve electrical connector
16
and repair as necessary.
Is a repair necessary?
Replace the EEGR valve.
17
Is the replacement complete?
Check the ECM electrical connector for a poor
connection and repair as necessary.
18
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.
19
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?
Check if any additional DTCs are set.
20
Are any DTCs displayed that have not been
diagnosed?
Action Value(s) Yes
–
Go to Step 19
–
Go to Step 19
–
Go to Step 19
–
Go to Step 19
–
Go to Step 19
–
Go to Step 19
–
Go to Step 20
Go to
Applicable DTC
–
table
No
Go to Step 17
Go to Step 12
Go to Step 12
Go to Step 18
–
Go to Step 12
Go to Step 2
System OK
DAEWOO M-150 BL2