GM Service Manual Online
For 1990-2009 cars only

Notice: When performing diagnostic procedures, do not check the resistance of the CCR Control Module. If resistance checks are performed on the CCR Control Module, the module may be damaged.

Continuous Strut Cycling

Grounding the Diagnostic Enable circuit through a 6.6 K ohm resistor causes the system to enter a continuous cycling mode. The module will continuously cycle the actuators from position to position at the rate of one change every 2 seconds, and check for errors. If a fault exists with a strut, that strut will not cycle until a retest is performed. If the fault has cleared prior to the 3 minute retest, the strut will cycle when the retest is complete.

Strut Connectors

In order to maintain the sealing integrity of the connector, strut connectors should be disconnected from the strut only when necessary. When strut connectors are removed for service or diagnosis, before reconnecting, be certain that:

    • The connector cavity in the strut is clean and dry.
    • The connector alignment groove is properly aligned with the strut.