For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the Cruise Control System Check performed? | -- | Go to Step 2 | Go to Cruise Control System Check
2 | Is the complaint Cruise Control Does Not Resume/Decel or Tap Down? | -- | Go to Step 3 | Go to Step 4
3 |

1. With a scan tool, observe the TIP SWITCH R parameter in the cruise control data list.
2. Press and hold the RESUME/DECEL button on lkcruise control switch.

Does the scan tool display ACTIVE?

--

Go to Step 5

Go to Step 6

4 | Is the complaint Cruise Control Does Not Accelerate or Tap Up? | -- | Go to Step 7 | --
5 | Verify that the cruise control system will resume/decel or tap down. Does the cruise control system operate properly? | -- | System OK | Go to Step 8
6 |

1. Disconnect the cruise control switch connector.
2. Turn ON the ignition, with the engine OFF.
3. Connect a fused jumper wire across terminal B and terminal C of the connector.

Does the scan tool display ACTIVE?

--

Go to Step 9

Go to Step 10

7 |

1. With a scan tool, observe the TIP SWITCH I parameter in the cruise control data list.
2. Press and hold the SET/ACCEL button on the cruise control switch.

Does the scan tool display ACTIVE?

--

Go to Step 11

Go to Step 12

8 | Replace the cruise control module. Is the replacement complete? | -- | Go to Cruise Control System Check | --
9 | Replace the cruise control switch. Is the replacement complete? | -- | Go to Cruise Control System Check | --
10 | Test for an open circuit in CKT FX500 (BLK/BRN). Did you find and correct the condition? | -- | Go to Step 5 | --
11 | Verify that the cruise control system will accelerate or tap up. Does the cruise control system operate properly? | -- | System OK | Go to Step 8
12 |

1. Disconnect the cruise control switch connector.
2. Turn ON the ignition, with the engine OFF.
3. Connect a fused jumper wire across terminal B and terminal D of the connector.

Does the scan tool display ACTIVE?

--

Go to Step 9

Go to Step 13

13 | Test for an open circuit in CKT FB300 (BLK/YEL). Did you find and correct the condition? | -- | Go to Step 11 | --