Description And Operation: Description
The clockspring (3) for this vehicle is integral to the Steering Column Control Module (SCCM) near the top of the steering column below the steering wheel. The clockspring includes an integral, internal turn signal cancel cam that is serviced as a unit with the SCCM. The SCCM also includes the left (lighting) multifunction switch (1) and the right (wiper) multifunction switch (2). Each of these switches and the wiring between the switches and the clockspring should not be separated and are serviced only as a complete assembly with the SCCM. The SCCM case includes integral tabs on the back for mounting the unit with a band clamp to the steering column support tube.
The SCCM case includes a connector receptacle near the top of the back of the unit facing toward the instrument panel which contains the circuits for the multifunction switches. The connectors near the bottom of the unit contain the circuits for the clockspring and the receptacles on the steering wheel side of the clockspring. The connector receptacles on the steering wheel side of the clockspring contain the circuits for the other switches mounted on the steering wheel. Within the plastic clockspring case is a spool-like molded plastic rotor with a large exposed hub. The upper surface of the rotor hub has a large center hole and short pigtail wires with connectors. The pigtail connectors contain the circuits for the Driver AirBag (DAB).
The service replacement SCCM is shipped pre-centered and has a spring actuated molded plastic automatic locking ring installed. The automatic locking ring secures the centered clockspring rotor to the SCCM case during shipment and handling, and automatically releases the rotor when the steering wheel is installed. However, it is recommended that an additional strap be installed through the two retainer loops integral to the outer circumference of the SCCM to secure the rotor to the case whenever the SCCM is removed from the steering column to prevent accidental loss of clockspring centering.
The clockspring cannot be repaired. If the clockspring is ineffective, damaged, or if the DAB has been deployed, the entire SCCM must be replaced. Refer to MODULE, STEERING COLUMN CONTROL (SCCM), REMOVAL AND INSTALLATION .