Diagnostic Aids
WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
For an intermittent condition, refer to Testing for Intermittent Conditions and Poor Connections .
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
B+ | Go to Step 3 | Go to Step 7 |
| 3 |
|
Switch On = ∞ Ω Switch Off = 0 Ω |
Go to Step 4 | Go to Step 5 |
| 4 | Test the cruise control set/coast and resume/accelerate switch signal circuit for a high resistance, a short to voltage, or a short to ground between the cruise control switch and the engine control module (ECM). Did you find and correct the condition? |
- | Go to Step 10 | Go to Step 6 |
| 5 | Inspect for poor connections at the connector of the multifunction switch. Refer to Testing for Intermittent Conditions and Poor Connections
. Did you find and correct the condition? |
- | Go to Step 10 | Go to Step 8 |
| 6 | Inspect for poor connections at the harness connector of the ECM. Refer to Testing for Intermittent Conditions and Poor Connections
. Did you find and correct the condition? |
- | Go to Step 10 | Go to Step 9 |
| 7 | Repair the high resistance in the ignition 1 voltage circuit. Did you complete the repair? |
- | Go to Step 10 | - |
| 8 | Once the replacement is complete verify the repair. Did you complete the repair? |
- | Go to Step 10 | - |
| 9 | Replace the ECM. Refer to:
Did you complete the replacement? |
- | Go to Step 2 | - |
| 10 |
|
- | Go to Step 2 | System OK |