Sprinter 3500 V6-3.0L DSL Turbo VIN 45 (2007)
The hard wired circuits and components of the headlamp washer pump/motor unit may be diagnosed using conventional diagnostic tools and procedures.
Refer to the appropriate wiring information. However, conventional diagnostic methods will not prove conclusive in the diagnosis of the headlamp
washer pump/motor or the electronic controls or communication between other modules and devices that provide some features of the headlamp washer
system. The most reliable, efficient, and accurate means to diagnose the headlamp washer pump/motor unit or the electronic controls and communication
related to headlamp washer pump/motor unit operation requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.