CRUISE CONTROL SYSTEMS DTCS

OEM Code

Test Procedures

Description

⁽²⁾, 4 ⁽⁴⁾

Overcurrent/Short In Motor Ckt

⁽²⁾,4 6 ⁽⁴⁾

Open In Magnetic Clutch Ckt Or Overcurrent/Short In Magnetic Clutch Ckt

⁽²⁾,4 ⁽⁴⁾

Open Or Short In Potentiometer Ckt

⁽²⁾,4 ⁽⁴⁾

Mechanical Trouble (With Open In Motor Ckt)

⁽²⁾,4 ⁽⁴⁾

Close Side Open Trouble (Motor Disconnected)

⁽²⁾,5 ⁽⁴⁾

Open In Vehicle Speed Sensor Signal Ckt

23 ⁽⁵⁾

⁽²⁾,5 ⁽³⁾, ⁽⁴⁾

Vehicle Speed Sensor Signal Abnormal

⁽²⁾,3 ⁽⁴⁾

Short In Cruise Control Switch Ckt

⁽⁴⁾

Continuous Current In Open Motor Ckt

1 3 ⁽²⁾, ⁽³⁾

Mechanical Trouble At Low Voltage

9 ⁽²⁾, ⁽⁴⁾

Short In Idle Signal Circuit

Normal

⁽²⁾,3 6 7 ⁽³⁾,4 ⁽⁴⁾

Indicator Light Flashes 5 Times, CC System Cannot Be Set Or Does Not Operate

⁽¹⁾	Perform test numbers in order given.

⁽²⁾	Check wiring harness and connectors.

⁽³⁾	Check speed control cable function.

⁽⁴⁾	Check CC ECU. See PIN VOLTAGE TESTS Replace CC ECU as necessary.

⁽⁵⁾	If speed set can be maintained when speed control switch is again set to SET/COAST position, there is no malfunction.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Cruise Control Systems DTCS