Operation CHARM
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1984
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318i (E30) L4-1766cc 1.8L SOHC (M10)
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Idle/Throttle Speed Control Unit
Idle/Throttle Speed Control Unit
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Description and Operation
Testing and Inspection
Intake Air Temperature Switch
Checking Air Conditioning Idle Compensation
Checking Idle Control Valve
Checking Speed and Idle Signal For Idle Control Unit
Checking Voltage and Ground of Idle Control Unit
Coolant Temperature Switch
Initial Setup
Main Circuit
Locations
Idle Speed Stabilization (Late Production)
Idle Speed Control Unit
Idle Speed Control
Service and Repair
Technical Service Bulletins
