Nubira-Lacetti |
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Step | Action | Value(s) | Yes | No |
1 |
Perform the Diagnostic System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
|
2 |
Is the ignition voltage less than the specified value?
|
10 V
|
Go to Step 3
|
Go to Step 8
|
3 |
Is the battery voltage less than the specified value?
|
12 V
|
Go to Step 4
|
Go to "Diagnostic Aids"
|
4 |
Is the ignition voltage less than the specified value?
|
10 V
|
Go to Step 5
|
Go to Step 6
|
5 |
Check for a malfunctioning connection at the ECM harness terminals and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 8
|
Go to Step 7
|
6 |
Repair the poor connection in the ignition feed circuit.
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
7 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic has run 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 the Diagnostic System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
|
2 |
Is the ignition voltage greater than the specified value?
|
10 V
|
Go to Step 3
|
Go to Step 8
|
3 |
Is the battery voltage greater than the specified value?
|
12 V
|
Go to Step 4
|
Go to "Diagnostic Aids"
|
4 |
Is the ignition voltage greater than the specified value?
|
10 V
|
Go to Step 5
|
Go to Step 6
|
5 |
Check for a malfunctioning connection at the ECM harness terminals and repair as necessary.
Is a repair necessary?
|
-
|
Go to Step 8
|
Go to Step 7
|
6 |
Repair the poor connection in the ignition feed circuit.
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
7 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 8
|
-
|
8 |
Does the scan tool indicate that this diagnostic has run 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 the Diagnostic System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
|
2 |
Replace the engine control module(ECM).
Is the replacement complete?
|
-
|
Go to Step 3
|
-
|
3 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 4
|
Go to Step 2
|
4 |
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 the Diagnostic System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
|
2 |
Does the fuel pump operate?
|
2 seconds
|
Go to "Diagnostic Aids"
|
Go to Step 3
|
3 |
Is the test light ON?
|
-
|
Go to Step 4
|
Go to Step 10
|
4 |
Is the test light ON?
|
-
|
Go to Step 5
|
Go to Step 9
|
5 |
Is the test light ON?
|
-
|
Go to Step 6
|
Go to Step 8
|
6 |
Check for short to ground in the wire between the fuel pump relay connector terminal 87 and fuel pump connector.
Is the problem found?
|
-
|
Go to Step 7
|
Go to Step 8
|
7 |
Does the fuel pump operate?
|
2 seconds
|
Go to Step 14
|
-
|
8 |
Does the fuel pump operate?
|
2 seconds
|
Go to Step 14
|
Go to Step 9
|
9 |
Check for a short to ground wire between the fuel pump relay connector terminal 86 and the ignition after key ON(IGN 1).
Is the problem found?
|
-
|
Go to Step 11
|
Go to Step 10
|
10 |
Check for a short to ground wire between the fuel pump relay connector terminal 85 and the ECM connector terminal 6.
Is the problem found?
|
-
|
Go to Step 12
|
Go to Step 13
|
11 |
Does the fuel pump operate?
|
2 seconds
|
System OK
|
Go to Step 13
|
12 |
Does the fuel pump operate?
|
2 seconds
|
System OK
|
Go to Step 13
|
13 |
Does the fuel pump operate?
|
2 seconds
|
System OK
|
Go to Step 14
|
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
|
Step | Action | Value(s) | Yes | No |
1 |
Perform the Diagnostic System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
|
2 |
Does the fuel pump operate?
|
2 seconds
|
Go to "Diagnostic Aids"
|
Go to Step 3
|
3 |
Check for short to battery voltage or low voltage in the wire between the fuel pump relay connector terminal 87 and fuel pump connector 3.
Is the problem found?
|
-
|
Go to Step 7
|
Go to Step 5
|
4 |
Does the fuel pump operate?
|
2 seconds
|
Go to Step 11
|
-
|
5 |
Does the fuel pump operate?
|
2 seconds
|
Go to Step 11
|
Go to Step 6
|
6 |
Check for short to battery voltage wire between the fuel pump relay connector terminal 86 and the ignition after key ON(IGN 1).
Is the problem found?
|
-
|
Go to Step 8
|
Go to Step 7
|
7 |
Check for an open wire between the fuel pump relay connector terminal 85 and the ECM connector terminal 6.
Is the problem found?
|
-
|
Go to Step 9
|
Go to Step 10
|
8 |
Does the fuel pump operate?
|
2 seconds
|
System OK
|
Go to Step 10
|
9 |
Does the fuel pump operate?
|
2 seconds
|
System OK
|
Go to Step 10
|
10 |
Does the fuel pump operate?
|
2 seconds
|
System OK
|
Go to Step 11
|
11 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 12
|
Go to Step 2
|
12 |
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 the Diagnostic System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
|
2 |
Does the resistance within the specified value?
|
0Ω
|
Go to Step 3
|
Go to Step 7
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 5
|
Go to Step 4
|
4 |
Repair a short to ground between the ignition switch and A/C compressor relay terminal 86.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
5 |
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Repair a short to ground between the ECM wiring connector terminal 41 and A/C compressor relay terminal 86.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
7 |
Replace the A/C compressor relay.
Is the replacement complete?
|
-
|
Go to Step 9
|
-
|
8 |
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
9 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 10
|
Go to Step 2
|
10 |
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 the Diagnostic System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
|
2 |
Does the resistance within the specified value?
|
0Ω
|
Go to Step 3
|
Go to Step 7
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 5
|
Go to Step 4
|
4 |
Repair a short to battery voltage between the ignition switch terminal and A/C compressor relay terminal 85.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
5 |
Does the test light illuminate?
|
-
|
Go to Step 8
|
Go to Step 6
|
6 |
Repair a short to battery voltage between the ECM wiring connector terminal 41 and A/C compressor relay terminal 86.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
7 |
Replace the A/C compressor relay.
Is the replacement complete?
|
-
|
Go to Step 9
|
-
|
8 |
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
9 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 10
|
Go to Step 2
|
10 |
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 the Diagnostic System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
|
2 |
Does the resistance within the specified value?
|
0Ω
|
Go to Step 3
|
Go to Step 6
|
3 |
Does the test light illuminate?
|
-
|
Go to Step 4
|
-
|
4 |
Is the replacement complete?
|
-
|
Go to Step 6
|
-
|
5 |
Repair a short to ground or open between the ECM wiring connector terminal 39 and cluster wiring connector terminal B6.
Is the repair complete?
|
-
|
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 the Diagnostic System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
|
2 |
Are any Diagnostic Trouble Codes (DTCs) displayed?
|
-
|
Go to Step 3
|
Try with another scan tool
|
3 |
Refer to the applicable DTC table. Start with the DTC with the lowest numerical value and move up.
Is the DTC identified as valid trouble code P0656?
|
-
|
Go to Step 4
|
Go to applicable DTC table
|
4 |
Is the problem found?
|
-
|
Go to Step 6
|
Go to Step 5
|
5 |
Is the problem found?
|
-
|
Go to Step 6
|
Go to Step 7
|
6 |
Repair the wire or the connector terminal as needed.
Is the repair complete?
|
-
|
Go to Step 9
|
-
|
7 |
Replace the cluster.
Is the replacement complete?
|
-
|
Go to Step 9
|
-
|
8 |
Replace the ECM.
Is the replcement complete?
|
-
|
Go to Step 9
|
-
|
9 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 10
|
Go to Step 2
|
10 |
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.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to
|
2 |
Does the resistance near the specified value?
|
0 Ω
|
Go to Step 3
|
Go to Step 6
|
3 |
Is the problem found?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
Repair the wire and the connector terminal.
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
5 |
Is the problem found?
|
-
|
Go to Step 4
|
Go to Step 7
|
6 |
Replace the VIM solenoid.
Is the replacement complete?
|
-
|
Go to Step 8
|
-
|
7 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 9
|
-
|
8 |
Does the scan tool indicate that this diagnostic has run 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.
Is the system check complete?
|
-
|
Go to Step 2
|
Go to
|
2 |
Does the resistance near the specified value?
|
0 Ω
|
Go to Step 3
|
Go to Step 6
|
3 |
Is the problem found?
|
-
|
Go to Step 4
|
Go to Step 5
|
4 |
Repair the wire and the connector terminal.
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
5 |
Is the problem found?
|
-
|
Go to Step 4
|
Go to Step 7
|
6 |
Replace the VIM solenoid.
Is the replacement complete?
|
-
|
Go to Step 8
|
-
|
7 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 9
|
-
|
8 |
Does the scan tool indicate that this diagnostic has run 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 the Diagnostic System Check.
Was the check performed?
|
-
|
Go to Step 2
|
|
2 |
Is a transmission DTC displayed?
|
-
|
Go to Step 3
|
Go to Step 4
|
3 |
Is the repair complete?
|
-
|
Go to Step 4
|
-
|
4 |
Does the scan tool indicate that this diagnostic has run and passed?
|
-
|
Go to Step 5
|
Go to Step 2
|
5 |
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 the Diagnostic System Check.
Is the system check complete?
|
-
|
Go to Step 2
|
|
2 |
Does the scan tool indicate that this DTC failed?
|
-
|
Go to Step 5
|
Go to Step 3
|
3 |
Check for poor or fault connection between the Engine Control Module (ECM) and the Rough Road sensor.
Is the problem found?
|
-
|
Go to Step 4
|
Go to "Diagnostic Aids"
|
4 |
Repair the connection as needed.
Is the repair complete?
|
-
|
Go to Step 8
|
-
|
5 |
Is the VR sensor value near the specified value?
|
0 V
|
Go to Step 6
|
Go to Step 9
|
6 |
Is the problem found?
|
-
|
Go to Step 6
|
Go to Step 8
|
7 |
Repair the wire as needed.
Is the repair complete?
|
-
|
Go to Step 10
|
-
|
8 |
Replace the ECM.
Is the replacement complete?
|
-
|
Go to Step 11
|
-
|
9 |
Replace the rough road sensor.
Is the replacement complete
|
-
|
Go to Step 10
|
-
|
10 |
Does the scan tool indicate that this diagnostic ran and passed?
|
-
|
Go to Step 11
|
Go to Step 2
|
12 |
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 the Diagnostic System Check.
Was the check performed?
|
-
|
Go to Step 2
|
|
2 |
Perform the Diagnostic circuit Check in Section 4F, Antilock Brake System.
Was the check performed?
|
-
|
System OK
|
Go to "Diagnostic Circuit Check" in Section 4F.
|
© Copyright General Motors Chevrolet Europe. All rights reserved |