Injector Spray Pattern
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 Mercedes-Benz SL600, 2001 Mercedes-Benz SL600, 2000 Mercedes-Benz SL600, 1999 Mercedes-Benz SL600, and 1998 Mercedes-Benz SL600. However, it is still accessible from the selected car via links, so may be relevant.
Connect jumper wire between appropriate ME-SFI control module connector 1 terminals No. 26 and 24 (socket box terminals No. 26 and 24). Turn ignition on. Hold fuel injectors one at a time in a container. Briefly actuate injector using a shop-made test wiring harness between socket box terminals No. 38 (-) and 25 (+). Observe fuel injector spray pattern. See Fig 1 . If fuel injector spray pattern is okay, test is complete. If fuel injector spray pattern is not okay, possible cause is faulty fuel injector. Repair or replace as necessary.