Self-Diagnostic Function

Cruise Control-Self Diagnostic Function:

The self-diagnostic function integrated within the cruise control module diagnoses the condition of the cruise control system.

Condition/operation codes are indicated by the cruise indicator in the instrument cluster. (Refer to condition code numbers). This operation continues until cancelled.
1. Code cycle break
The time between condition code cycles is 4.0 seconds (the time the cruise indicator is OFF).

Cruise Control-Self Diagnostic Function:

2. Second digit of code (ones position)
The digit in the ones position of the code represents the number of times the lamp is on 0.4 seconds during one cycle.

Cruise Control-Self Diagnostic Function:

3. First digit of code (tens position)
The digit in the tens position of the code represents the number of times the lamp is on 1.2 seconds during one cycle. The lamp remains OFF for 1.6 seconds between the long and short flashes.