GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the entire cruise control system check performed?

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Go to Step 2

Go to Cruise Control System Check

2

  1. Turn the ignition switch to the RUN position.
  2. Turn the cruise control switch to the ON position.
  3. Using a test light, backprobe connector C201, at the base of the steering column, from terminal A15 to ground.
  4. Press and hold the RESUME/ACCEL switch.

Does the test light illuminate?

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Go to Step 3

Go to Step 4

3

  1. Test for an open in CKT 87, between connector C201 and the cruise control module.
  2. Test for a poor connection at the cruise control module terminal C.
  3. If the connection is OK, replace the cruise control module. Refer to Cruise Control Module Replacement for procedure.

Is the repair complete?

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Go to Step 5

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4

  1. Test for one of the following conditions in CKT 87, in the steering column:
  2. • An open
    • A short to ground
  3. Test for a poor connection at connector C201 terminal A15.
  4. If the connection is OK, replace the cruise control switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt.

Is the repair complete?

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Go to Step 5

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5

  1. Turn the ignition switch to the OFF position.
  2. Reconnect all connectors components removed.

Have all the repairs been made?

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Go to Cruise Control System Check

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