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-programmed 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.