| 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 cylinder head center cover and the engine cover.
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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).
Inspection The following section describes how to diagnose faults using a diagnostic instrument. 1. Connect the cable of GDS to the data link connector in driver side crash pad lower panel, and turn on the GDS.