Meters Malfunctioning
Symptom: One of the meters is not functioning.
 
  
 
 
  
  
  
   Fault symptoms
  
  
   One of the meters is not functioning.
   
   
   
    Diagnostic help
   
  
  
   Read the about the function in the technical description. To find the fault read the diagnostic trouble code appropriate to the function. Follow the information for any current diagnostic trouble code before searching for faults in the main instrument unit.
   
   
   
    Checking the wiring harness
   
  
  
   Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostic tool during the test.