Daewoo CIELO EURO III Manual page 496

1F – 326 ENGINE CONTROLS
DTC P0443 Evaporative Emission (EVAP) Purge Control Circuit Fault (Cont'd)
Step
1. Turn the ignition OFF.
2. Disconnect the solenoid.
3. Using a DVM, measure resistance from the
4
solenoid control circuit, at terminal M4 in
the ECM harness connector to ground.
Does the DVM display infinite resistance?
1. Turn the ignition OFF.
2. Disconnect the solenoid.
3. Connect a test light between the terminals 1
and 2 in the solenoid harness connector.
5
4. Turn the ignition ON.
5. Using the scan tool, command the solenoid ON
and OFF.
Does the test light turn ON and OFF with each com-
mand?
With the test light connected to ground, probe the
ignition feed circuit, at terminal 1 in the solenoid
6
harness connector.
Does the test light illuminate?
1. Turn the ignition OFF.
2. Reconnect the solenoid.
3. Disconnect the ECM connector containing
the solenoid control circuit.
7
4. Turn the ignition ON.
5. With a fused jumper wire connected to ground,
probe the solenoid control circuit at terminal
M4 in the ECM harness.
Does the solenoid operate?
Check the connections at the solenoid.
8
Is a problem found and corrected?
Check the connections at the ECM.
9
Is a problem found and corrected?
Repair the faulty solenoid control circuit.
10
Is the repair complete?
Repair the faulty solenoid ignition feed circuit.
11
Is the repair complete?
1. Turn the ignition OFF.
12
2. Replace the solenoid.
Is the repair complete?
1. Turn the ignition OFF.
13
2. Replace the ECM.
Is the repair complete?
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?
Action Value Yes
–
Go to Step 12
–
Go to Step 8
–
Go to Step 7
–
Go to Step 9
– Go to Step 14
– Go to Step 14
– Go to Step 14
– Go to Step 14
–
Go to Step 14
–
Go to Step 14
–
Go to Step 15
No
Go to Step 10
Go to Step 6
Go to Step 11
Go to Step 10
Go to Step 12
Go to Step 13
–
–
–
–
Go to Step 2
DAEWOO T-154 BL2,3