Danger | Risk of death. Death may occur if body parts are drawn into rotating vehicle parts. | Do not insert your hand into rotating parts. Wear closed and snug-fitting work clothes. Secure area of rotating vehicle components against unauthorized access. | |
Danger | Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) | Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. | |
Danger | Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel. | No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. | |
Topical note | Notes on avoiding damage to ignition system | ||
Gasoline injection and ignition system (ME-SFI) - Diagnosis - Previous knowledge | |||
Socket box connection diagram - ME-SFI - testing of electrical system | Connect coupling from vehicle interior to multipoint connector 1 of test cable. Connect coupling from engine compartment to multipoint connector 2 of test cable. | ||
Connector assignment for ME-SFI gasoline injection and ignition system | |||
Tools for testing electrical system of ME-SFI fuel injection and ignition system | |||
| When disconnecting the couplings on the ME-SFI [ME] control unit, disconnect the center coupling first and reconnect the center coupling D last when reconnecting. | ||
| Measuring instrument/test connection column: | ||
| The numbers entered in brackets, such as e.g. in 1.0 (2A) mean: | ||
| A = coupling A in the wiring diagram | ||
| 2 = connection 2 in the wiring diagram | ||
| Ignition OFF | ||
| Connect test wiring harness with contact box to ME-SFI [ME] control unit (N3/11) or (N3/12) according to connection scheme. | ||
| Check | ||
1 | Cruise control switch, electrics test, cruise control with variable speed limiter ME-SFI |
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