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1995 Pontiac Grand Am, IC Circuit, Ignition - Primary Waveform
Here is a good example of the PCM ignition control signal to the ICM and the primary current response.
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| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | , |
| Condition | Known Good |
Vehicle Data
1995 Pontiac Grand Am SE 2.3L
| Engine | 2.3 L / 4 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | , |
| Condition | Known Good |