For 1990-2009 cars

### Circuit Description

This DTC allows the cruise control module to check for unwanted application of the servo due to a malfunction within the cruise control module.

### Diagnostic Aids

Check for a faulty cruise control module.

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Cruise Control Schematics
1 | Did you perform the Diagnostic System Check - Cruise Control ? | Go to Step 2 | Go to Diagnostic System Check - Cruise Control
2 |

1. Turn OFF the ignition.
2. Remove the STOP fuse.
3. Remove the ECU-B fuse.
4. Wait 30 seconds.
5. Reinstall STOP and ECU-B fuses.
6. Test drive the vehicle at approximately 80 km/h (50 mph).
7. Engage the cruise control and observe the performance for one minute.
8. Stop the vehicle.
9. Turn OFF the ignition.
10. Remove the STOP fuse.
11. Remove the ECU-B fuse.
12. Wait 30 seconds.
13. Reinstall STOP and ECU-B fuses.
14. Turn ON the ignition, with the engine OFF.
15. Using the jumper, connect the DLC terminals Tc and E1.

Does the CRUISE indicator lamp flash the same trouble code?

Go to Step 3

Go to Step 5

3 | Inspect for poor connections at the harness connector of the cruise control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 6 | Go to Step 4
4 | Replace the cruise control module. Refer to Cruise Control Module Replacement . Is the replacement complete? | Go to Step 6 | --
5 | Malfunction is not present at this time. Refer to diagnostic aids for additional information. Is the action complete? | System OK | --
6 |

1. Turn OFF the ignition.
2. Remove the STOP fuse.
3. Remove the ECU-B fuse.
4. Wait 30 seconds.
5. Reinstall STOP and ECU-B fuses.
6. Turn ON the ignition, with the engine OFF.
7. Using the jumper, connect the DLC terminals Tc and E1.

Does the CRUISE indicator lamp flash the same trouble code?

Go to Step 2

System OK