Technical Service Bulletin # 630408
Date: 091101
Lighting Headlamp Condensation Diagnosis
SI B 63 04 08
Lights
November 2009
Technical Service
This Service Information bulletin supersedes SI B63 04 08 dated June 2008.
[NEW] designates changes to this revision
SUBJECT
Headlamp Moisture: Fault Diagnostics
MODEL
[NEW] All models
SITUATION
There is water or condensation in one or both headlamps.
[NEW] INFORMATION
Under some environmental conditions, condensation can occur without there being a faulty headlamp. A comprehensive test plan that
will allow an accurate diagnosis and repair is available. Follow the relevant test plan in diagnostics, using the latest ISTA diagnosis
version. Select "Information search" and the test plan may be accessed in two ways:
1. Using the "Text search" tab, select "Search for document title" and search using the term "Headlight fogging".
2. Using the "Function structure" tab, select "Body Mechanism, noises, optical element; leaks Water ingress Headlight fogged on inside
Start search ".
Note that a Diagnosis Code will be produced at the end of the test module. Be sure to include the code in the "Comments" section of the
warranty claim.
WARRANTY INFORMATION
For information only
Disclaimer
Date: 091101
Lighting Headlamp Condensation Diagnosis
SI B 63 04 08
Lights
November 2009
Technical Service
This Service Information bulletin supersedes SI B63 04 08 dated June 2008.
[NEW] designates changes to this revision
SUBJECT
Headlamp Moisture: Fault Diagnostics
MODEL
[NEW] All models
SITUATION
There is water or condensation in one or both headlamps.
[NEW] INFORMATION
Under some environmental conditions, condensation can occur without there being a faulty headlamp. A comprehensive test plan that
will allow an accurate diagnosis and repair is available. Follow the relevant test plan in diagnostics, using the latest ISTA diagnosis
version. Select "Information search" and the test plan may be accessed in two ways:
1. Using the "Text search" tab, select "Search for document title" and search using the term "Headlight fogging".
2. Using the "Function structure" tab, select "Body Mechanism, noises, optical element; leaks Water ingress Headlight fogged on inside
Start search ".
Note that a Diagnosis Code will be produced at the end of the test module. Be sure to include the code in the "Comments" section of the
warranty claim.
WARRANTY INFORMATION
For information only
Disclaimer
