Symptom Related Diagnostic Procedures
DOOR DIAGNOSISINTRODUCTION TO GLASS AND DOOR DIAGNOSIS
Glass and door faults include water leaks and improper opening and closing. Causes for these faults can include faults in the glass, weatherstrip, drain hole, waterproof film or door installation.
GLASS AND DOOR DIAGNOSTIC TROUBLESHOOTING STRATEGY
Use these steps to plan your diagnostic strategy. If you follow them carefully, you will be sure that you have exhausted most of the possible ways to find a glass and door fault.
1. Gather information from the customer.
2. Verify that the condition described by the customer exists.
3. Find the malfunction by following the Symptom Chart.
4. Verify malfunction is eliminated.
WINDOW GLASS DIAGNOSTIC TROUBLE SYMPTOM CHART
Window Glass Diagnostic Trouble Symptom Chart:
SYMPTOM PROCEDURES
INSPECTION PROCEDURE 1: Water Leak Through Windshield/Rear Window Glass
DIAGNOSIS
STEP 1. Check if the seal is faulty
Q: Is the seal faulty?
YES : Repair the seal, then go to Step 3.
NO : Go to Step 2.
STEP 2. Check if the body flange is deformed.
Q: Is the body flange deformed?
YES : Replay the body flange, then go to Step 3
NO : Go to Step 3.
STEP 3. Retest the system.
Q: Is any water leaking?
YES : Return to Step 1.
NO : This diagnosis complete.