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1987
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4000 CS Quattro
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Repair and Diagnosis (Single Page)
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Engine Performance
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Ignition System
Ignition System
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Description
Operation
Adjustments
Testing (Except AUDI 5000CS QUATTRO, 5000CS Turbo, Coupe Gt & 5000S With 2.3L Engine)
Notes
Pre-Test Procedures
Vacuum Advance Test
Centrifugal Advance Test
Ignition Coil Resistance Check
Spark Plug Wires & Rotor
Hall Ignition Control Unit
Hall Effect Sending Unit
Voltage Supply Check (Without Knock Control Unit)
Voltage Supply Check (With Knock Control Unit)
Hall Sending Unit Test (Without Knock Control Unit)
Hall Sending Unit Test (With Knock Control Unit)
Knock Sensor Control Unit
Knock Control Unit Fault Diagnosis Audi 4000S
Knock Control Vacuum/Timing Advance Test Audi 4000S
Idle & Full Throttle Switch
Switch Voltage Supply Test 4000S & 16-Valve
Switch Continuity Test
Testing (AUDI 5000CS QUATTRO & 5000CS Turbo)
Notes
Pre-Test Procedures
Ignition Coil Resistance Check
Spark Plug Wires & Rotor
Power Stage Switching Module
Cis-E Control Unit Voltage Supply
Hall Effect Sending Unit
Cis-E Control Unit Fault Diagnosis
Input Codes
Output Codes
Testing (AUDI 5000S & Coupe Gt With 2.3L Cis-E III)
Notes
Pre-Test Procedures
Ignition Coil Resistance Check
Spark Plug Wires & Rotor
Hall Effect Sending Unit
Cis-E III Control Unit Fault Diagnosis
Input Codes
Output Codes