Keyless Start System Check

Keyless Start 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.)

Perform Keyless Start System Operation Inspection Keyless Start System Operation Inspection
procedure to check if the symptom which has occurred is abnormal or not.
Check for DTC referring to DTC Check DTC Check
, and then record DTC(s).
Clear DTC referring to DTC Clearance DTC Clearance
if any DTC exists, and then recheck for DTC.

Is any DTC still detected?
YES -
Go to Step 2.
NO -
Go to Step 3.

2. Check and repair referring to applicable Keyless Start System DTC Table.

Are check and repair complete?
YES -
Go to Step 5.
NO -
Check and repair malfunction part(s), and go to Step 5.

3. Inspect and repair basic parts referring to Keyless Start System Symptom Diagnosis Keyless Start System Symptom Diagnosis.

Is there faulty condition?
YES -
Repair or replace malfunction part(s), and go to Step 5.
NO -
Go to Step 4.

4. 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 5.
NO -
Go to Step 5.

5. Confirm if the problem is solved and the keyless start 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.