| On-vehicle Inspection |
| Inspect ignition coil assembly and Perform spark test |
| 1. |
Check for DTCs.
|
| 2. |
Check if sparks occur.
|
| 3. |
If sparks do not occur, perform the following test.
|
| 4. |
Using a spark plug wrench, install spark plugs. |
| 5. |
Install the ignition coils. |
| 6. |
Install the engine cover. |
Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are pre-pro grammed in the memory of the ECM (Engine Control Module).
Description An ignition coil is an induction coil in an engine''s ignition system which transforms the battery''s low voltage to the high voltage needed to create an electric spark in the spark plugs to ignite the fuel.
Troubleshooting Problem Symptoms Table Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor. Use the table below to help you find the cause of the problem.
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