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1987
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Jetta GLI, 1.8 C
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Ignition System - BOSCH Hall Effect
Ignition System - BOSCH Hall Effect
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Description
Operation
Adjustments
Testing
Notes
Pre-Test Procedures
Vacuum Advance Test
Centrifugal Advance Test
Vacuum Retard Test
Ignition Coil Resistance Check
Spark Plug Wires & Rotor
Ignition Control Unit (ICU)
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
Notes
Voltage Tests (Volkswagen 16-Valve)
Continuity & Resistance Tests (Volkswagen GLI & GTI)
Fault Diagnosis (Volkswagen 16-Valve)
Timing Advance Test (Volkswagen 16-Valve)
Idle & Full Throttle Switch (VOLKSWAGEN 16-Valve)
Switch Voltage Supply Test
Switch Continuity Test
Trouble Shooting