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Home >> Mercedes Benz >> 1987 >> 560SEL >> Repair and Diagnosis >> Engine Performance >> System >> BOSCH Cis-E System >> Operation >> On-Board Diagnostic Readout System
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On-Board Diagnostic Readout System

Various components of the CIS-E injection system are checked by a microprocessor in the control unit. The failure codes are transmitted by the lambda measuring circuit of the diagnostic socket and are displayed on the Bosch On-Off Ratio Tester (KDJE-P600 ).

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