ENGINE CONTROLS 1F–187
DAEWOO M-150 BL2
easily verified. Check the Freeze Frame data to deter- mine if the DTC set when the vehicle was cold by view-
ing the Engine Coolant Temperature (ECT).
DTC P1402 – Electric Exhaust Gas Recirculation Blocked
Step Action Value(s) Yes No
1
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
Is the system check complete?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
1. Start the engine and allow the engine to idle.
2. Install the scan tool.
3. Command the electric exhaust gas recirculation
(EEGR) valve to the specified values.
Does the engine stall or attempt to stall? 50% Go to Step 5 Go to Step 3
3
1. Turn the ignition switch to LOCK.
2. Remove the EEGR valve assembly.
3. Inspect the EEGR valve, passages and pipe for a
restriction or damage and repair as necessary.
Is a repair necessary?
–
Go to Step 5 Go to Step 4
4
Replace the EEGR valve.
Is the replacement complete?
–
Go to Step 5
–
5
1. Start the engine.
2. Disconnect the battery for the specified time.
3. Drive the vehicle to the specified value.
4. Release the throttle and allow the vehicle to
decelerate to the specified value.
Is the EEGR Decel Filter Values less than the
specified value?
10 secnds
60mph
(97km/h)
20mph
(32km/h)
0mph
Go to Step 3 Go to Step 6
6
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 7 Go to Step 2
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