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Fig. 12:
Locating Distributorless Ignition Control Module
Components (3.1L & 3.4L)
Courtesy of General Motors Corp.
IGNITION CONTROL MODULE (IDI)
CAUTION: If spark plug boots adhere to spark plugs, use Boot Remover
(J-36011). Twist first, and then pull upward. Boots must be
in place on housing before installing ignition system
assembly, or damage may result.
Removal (2.4L)
1) Disconnect negative battery cable. Disconnect 11-pin
harness connector. Remove 4 IDI cover assembly-to-camshaft housing
bolts. Remove ignition system assembly from engine.
2) Remove 4 coil housing-to-cover screws. Remove housing
cover. Remove coil harness connector from module. Remove module-to-
cover screws. Remove module from cover.
NOTE:
DO NOT wipe grease from module or coil if module is not being
replaced. If installing a NEW module, spread silicone grease
on metal face of module and on cover where module seats.
Grease is included with NEW module and is necessary for
module cooling purposes.
Installation
To install, reverse removal procedure. Tighten screws and
bolts to specification. See TORQUE SPECIFICATIONS.
NOTE:
Ignition control module and ignition coil can not be serviced
separately. Replace module and coil as an assembly.
Removal & Installation (3.5L)
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