Cruise Control System Check

Cruise Control System Check

1. Record details of the problem. For your record, use of a questionnaire form will facilitate collecting information for proper analysis and diagnosis.
Check if the problem described in Customer Questionnaire (Example) Customer Questionnaire (Example)
actually occurs in the vehicle. (This step should be performed with the customer if possible.)
Check ECM, ABS/ESP(R) control module and TCM (CVT model) for DTC, and then record DTC(s).

Is there any DTC(s) other than related to cruise control system (other than DTC P0504, P0575 and P0649)?
YES -
Go to applicable DTC troubleshooting.
NO -
Go to Step 2.

2.
Is there any DTC(s) related to cruise control system?
YES -
Go to Step 3.
NO -
Go to Step 4.

3. Check and repair referring to applicable DTC troubleshooting.

Are check and repair complete?
YES -
Go to Step 6.
NO -
Check and repair malfunction part(s), and go to Step 6.

4. Inspect and repair basic parts referring to Symptom Related Diagnostic Procedures Cruise Control System Symptom Diagnosis.

Is there any faulty condition?
YES -
Repair or replace malfunction part(s), and go to Step 6.
NO -
Go to Step 5.

5. Check for intermittent problems referring to Intermittent and Poor Connection Inspection Intermittent and Poor Connection Inspection.

Is there any faulty condition?
YES -
Repair or replace malfunction part(s), and go to Step 6.
NO -
Go to Step 6.

6. Confirm if the problem is solved and the cruise control system is free from any abnormal conditions. If what has been repaired is related to the DTC, clear the DTC once and then confirm that no DTC is indicated.

Is there any problem symptom, DTC or abnormal condition?
YES -
Go to 2) of Step 1 and perform trouble diagnosis again.
NO -
End.