Nubira-Lacetti |
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Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
|
2 |
Check for a faulty connection or damaged terminal C at the Electronic Ignition (EI) system ignition coil and repair as needed.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 3
|
3 |
Check for a faulty connection or damaged terminal M51/M35 at the Engine Control Module (ECM) and repair as needed.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 4
|
4 |
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 5
|
5 |
Check the ignition control circuit for a short to voltage and repair as necessary.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Check an open ignition control circuit and repair as needed.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 7
|
7 |
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 9
|
Go to Step 2
|
9 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
|
2 |
Check for a faulty connection or damaged terminal A at the Electronic Ignition (EI) system ignition coil and repair as needed.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 3
|
3 |
Check for a faulty connection or damaged terminal M33/M1 at the Engine Control Module (ECM) and repair as needed.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 4
|
4 |
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 5
|
5 |
Check the ignition control circuit for a short to voltage and repair as needed.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Check for an open in the ignition control circuit and repair as needed.
Is the repair complete?
|
-
|
Go to Step 8
|
Go to Step 7
|
7 |
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 9
|
Go to Step 2
|
9 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
|
2 |
Does the engine stall or attempt to stall?
|
50%
|
Go to Step 5
|
Go to Step 3
|
3 |
Is the repair complete?
|
-
|
Go to Step 5
|
Go to Step 4
|
4 |
Replace the EGR valve.
Is the repair complete?
|
-
|
Go to Step 5
|
-
|
5 |
Is the EGR Decel Filter value greater than specified value?
|
0
|
Go to Step 3
|
Go to Step 6
|
6 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 7
|
Go to Step 2
|
7 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
|
2 |
Does the Actual EGR Position follow the Desired EGR Position?
|
25%, 50%, 75%, 100%
|
Go to Step 19
|
Go to Step 3
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
After command is raised, is the voltage displayed on the voltmeter vary between specified value?
|
0 to ≈ 5 V
|
Go to Step 6
|
Go to Step 7
|
5 |
Repair the open or poor connection in the EGR ground circuit as needed.
Is the repair complete?
|
-
|
Go to Step 19
|
- |
6 |
With a test light connected to ground, probe the EGR valve wiring harness connector terminal 3.
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 9
|
7 |
With a test light connected to ground, probe the EGR valve wiring harness connector terminal 1, without commanding the EGR valve with scan tool.
Dose the test light illuminate?
|
-
|
Go to Step 10
|
Go to Step 11
|
8 |
Check the signal circuit for a short to voltage and repair as needed.
Is the repair complete?
|
-
|
Go to Step 19
|
Go to Step 12
|
9 |
With a voltmeter connected to the ground, probe the 5 volt reference circuit at terminal 4 of the EGR valve wiring harness connector.
Is the voltage near the specified value?
|
5 v
|
Go to Step 13
|
Go to Step 14
|
10 |
Check the control circuit for a short to voltage and repair as needed.
Is a repair necessary.
|
-
|
Go to Step 19
|
Go to Step 12
|
11 |
With a test light connected to B+ and again probe the control circuit at terminal 1.
Dose the test light illuminate?
|
-
|
Go to Step 15
|
Go to Step 16
|
12 |
Is the repair complete?
|
-
|
Go to Step 19
|
-
|
13 |
Check the EGR ground circuit for poor connection or proper terminal tension at the ECM and repair as needed.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 17
|
14 |
Check the 5 volt reference circuit for a short to voltage and repair as needed.
Is the repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
15 |
Check the control circuit 1 for short to ground and repair as needed.
Is the repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
16 |
Check the control circuit at terminal 1 for an open or poor connection at EGR valve connector and repair as needed.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 18
|
17 |
Is the repair complete?
|
-
|
Go to Step 19
|
-
|
18 |
Check the ECM connector for a poor connection and repair as needed.
Is the repair complete?
|
-
|
Go to Step 19
|
-
|
19 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 20
|
Go to Step 2
|
20 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
|
2 |
Does the Actual EGR Position follow the Desired EGR Position?
|
25%, 50%, 75%, 100%
|
Go to Step 19
|
Go to Step 3
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
After command is raised, is the voltage displayed on the voltmeter vary between specified value?
|
0 to ≈ 5 V
|
Go to Step 6
|
Go to Step 7
|
5 |
Repair the open or poor connection in the EGR ground circuit as needed.
Is the repair complete?
|
-
|
Go to Step 19
|
-
|
6 |
With a test light connected to ground, probe the EGR valve wiring harness connector terminal 3.
Dose the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 9
|
7 |
With a test light connected to ground, probe the EGR valve wiring harness connector terminal 1, without commanding the EGR valve with scan tool.
Dose the test light illuminate?
|
-
|
Go to Step 10
|
Go to Step 11
|
8 |
Check the signal circuit for a short to voltage and repair as needed.
Is a repair necessary?
|
-
|
Go to Step 19
|
Go to Step 12
|
9 |
With a voltmeter connected to the ground, probe the 5 volt reference circuit at terminal 4 of the EGR valve wiring harness connector.
Is the voltage near the specified value?
|
5 v
|
Go to Step 13
|
Go to Step 14
|
10 |
Check the control circuit for a short to voltage and repair as needed.
Is a repair complete?
|
-
|
Go to Step 19
|
Go to Step 12
|
11 |
With a test light connected to B+ and again probe the control circuit at terminal 1.
Dose the test light illuminate?
|
-
|
Go to Step 15
|
Go to Step 16
|
12 |
Is the repair complete?
|
-
|
Go to Step 19
|
-
|
13 |
Check the EGR ground circuit for poor connection or proper terminal tension at the ECM and repair as needed.
Is the repair complete?
|
-
|
Go to Step 19
|
Go to Step 17
|
14 |
Check the 5 volt reference circuit for a short to voltage and repair as needed.
Is the repair complete?
|
-
|
Go to Step 19
|
Go to Step 12
|
15 |
Check the control circuit at terminal 1 for short to ground and repair as needed.
Is the repair complete?
|
-
|
Go to Step 19
|
Go to Step 12
|
16 |
Check the control circuit at terminal 1 for an open or poor connection at EGR valve connector and repair as needed.
Is the repair complete?
|
-
|
Go to Step 19
|
Go to Step 18
|
17 |
Is the repair complete?
|
-
|
Go to Step 19
|
-
|
18 |
Check the ECM connector for a poor connection and repair as needed.
Is the repair complete?
|
-
|
Go to Step 19
|
-
|
19 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 20
|
Go to Step 2
|
20 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
|
2 |
Does the Actual EGR Position follow the Desired EGR Position?
|
25%, 50%, 75%, 100%
|
Go to Step 15
|
Go to Step 3
|
3 |
Is the voltage near the specified value?
|
5 V
|
Go to Step 4
|
Go to Step 5
|
4 |
Jumper the 5 volt reference circuit to the signal circuit at terminal 4 and C at the EGR valve wiring harness connector.
Does the Actual EGR Position display the specific value?
|
100%
|
Go to Step 6
|
Go to Step 7
|
5 |
With a test light connected to B+, probe the 5 volt reference circuit at the EGR valve wiring harness connector terminal 4.
Dose the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 9
|
6 |
Check the 5 volt reference and signal circuit for a poor connection or proper terminal tension and repair as needed.
Is the repair complete?
|
-
|
Go to Step 15
|
Go to Step 10
|
7 |
With a test light connected to B+, probe the signal circuit at terminal 3 of the EGR valve wiring harness connector.
Dose the test light illuminate?
|
-
|
Go to Step 11
|
Go to Step 12
|
8 |
Check for a short to ground in EGR valve 5 volt reference circuit and repair as needed.
Is the repair complete?
|
-
|
Go to Step 15
|
Go to Step 13
|
9 |
Check for an open in EGR valve 5 volt reference circuit and repair as needed.
Is the repair complete?
|
-
|
Go to Step 15
|
Go to Step 14
|
10 |
Is the repair complete?
|
-
|
Go to Step 15
|
-
|
11 |
Check for a short to ground in the EGR valve signal circuit and repair as needed.
Is the repair complete?
|
-
|
Go to Step 15
|
Go to Step 13
|
12 |
Check for an open in the EGR valve signal circuit and repair as needed.
Is the repair complete?
|
-
|
Go to Step 15
|
Go to Step 14
|
13 |
Is the repair complete?
|
-
|
Go to Step 15
|
-
|
14 |
Check the ECM connector for a poor connection and repair as needed.
Is the repair complete?
|
-
|
Go to Step 15
|
Go to Step 13
|
15 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 16
|
Go to Step 2
|
16 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
Step | Action | Value(s) | Yes | No |
1 |
Perform an On-Board Diagnostic (EOBD) System Check.
Was the check performed?
|
-
|
Go to Step 2
|
|
2 |
Does the Actual EGR Position follow the Desired EGR Position?
|
25%, 50%, 75%, 100%
|
Go to Step 14
|
Go to Step 3
|
3 |
Is the voltage near the specified value?
|
5 V
|
Go to Step 4
|
Go to Step 5
|
4 |
Jumper the 5 volt reference circuit to the signal circuit at terminal 4 and C at the EGR valve wiring harness connector.
Does the Actual EGR Position display the specific value?
|
100%
|
Go to Step 6
|
Go to Step 7
|
5 |
With a test light connected to B+, probe the 5 volt reference circuit at the EGR valve wiring harness connector terminal 4.
Dose the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 9
|
6 |
Check the 5 volt reference and signal circuit for a poor connection or proper terminal tension and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 10
|
7 |
With a test light connected to B+, probe the signal circuit at terminal 3 of the EGR valve wiring harness connector.
Dose the test light illuminate?
|
-
|
Go to Step 11
|
Go to Step 13
|
8 |
Check for a short to ground in EGR valve 5 volt reference circuit and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 12
|
9 |
Check for an open in EGR valve 5 volt reference circuit and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 13
|
10 |
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
11 |
Check for a short to ground in the EGR valve signal circuit and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 12
|
12 |
Is the repair complete?
|
-
|
Go to Step 14
|
-
|
13 |
Check the ECM connector for a poor connection and repair as needed.
Is the repair complete?
|
-
|
Go to Step 14
|
Go to Step 12
|
14 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 15
|
Go to Step 2
|
15 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?
|
-
|
Go to Applicable DTC table
|
System OK
|
© Copyright General Motors Chevrolet Europe. All rights reserved |