Operation CHARM: Car repair manuals for everyone.
Home >> Ford >> 1997 >> Thunderbird V6-3.8L VIN 4 >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Description and Operation >> General System Description
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

General System Description

PURPOSE
Designed to ignite the compressed air/fuel mixture supplied to the engine by the fuel and air systems. The ignition system also provides engine timing information to the Powertrain Control Module (PCM) for proper vehicle operation.

COMPONENTS
The Electronic Ignition (EI) system consists of the following components:
- Crankshaft Position (CKP) sensor
- ignition coil
- desired spark angle signal from the PCM
- misfire detection sensor
- related wiring

pro multis · About Operation CHARM