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940 Base, 4D Sedan, AW71
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Engine Controls - Tests W/Codes - Non-Turbo
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Engine Controls - Tests W/Codes - Non-Turbo
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Introduction
Self-Diagnostic Systems
Notes
Fuel Injection & Ignition Systems
Self-Diagnostics - Fuel Injection
Fuel Injection System Diagnostics
Entering Self-Diagnostics
Notes
Control Function No. 1 (Retrieving Codes)
Control Function No. 2 (Activating Circuit Breakers)
Control Function No. 3 (Testing Fuel System Components)
Control Function No. 1
Notes
Retrieving Codes
Fault Code Testing - Fuel Injection
Notes
Code 1-3-1: Ignition System RPM Signal
Code 2-2-3: Idle Valve Signal
Code 3-1-1: Speedometer Signal
Code 3-1-2: Knock/Fuel Enrichment Signal Missing
Control Function No. 2
Activating Circuit Breakers
Control Function No. 3
Testing Fuel System Components
Diagnostic Unit Led Does Not Flash
Clearing Codes
Erasing Diagnostic System Memory
Self-Diagnostics - Ignition System
Ignition System Diagnostics
Entering Self-Diagnostics
Notes
Control Function No. 1 (Retrieving Codes)
Control Function No. 2 (Testing Impulse Sensor & Throttle Switch)
Control Function No. 3 (Testing EGR Converter - Calif.)
Control Function No. 1
Notes
Retrieving Codes
Fault Code Testing - Ignition System
Notes
Code 1-4-3: Knock Sensor Signal
Code 1-4-4: Fuel System ECU Load Signal
Code 2-1-4: Impulse Sensor Signal
Code 2-2-4: Coolant Temperature Signal
Code 2-3-4: Throttle Switch Signal
Code 2-4-1: EGR System
Code 4-1-3: EGR Temperature Sensor
Control Function No. 2
Testing Impulse Sensor & Throttle Switch
Control Function No. 3
Testing EGR Converter (California)
Clearing Codes
Erasing Diagnostic System Memory
Summary