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Understanding Diagnostic Information: Terminology

System components and connections are identified by the manufacturer with special designations in diagnostic information. See the COMPONENT IDENTIFICATION  table.

COMPONENT IDENTIFICATION

Component Manufacturer's Designation
ABS Control Module N30
Check Engine MIL A1e26
Closed Throttle Position Contact Switch R25/2s1
Component Compartment Ground (Left) W16/3
Component Compartment Ground (Right) W16/6
Crankshaft Position (CKP) Sensor L5/6
Crankshaft Position (CKP) Sensor Connector L5/6x1
Cruise Control Switch S40
ECT Sensor B11/4
EGR Lifting Sender B28/3
EGR Valve Vacuum Transducer Y31/1
Electrohydraulic Shut-Off Actuator Y1/1
Fuel Rack Position Sensor Y23/1/1
Fuel Rack Position Sensor Connector Y23/1/1x1
Fuel Temperature Sensor Y1/1b1
Fuel Quantity Actuator Y23/1
Fuel Quantity Actuator Connector Y23/1x1
IAT Sensor B17
IFI Accelerator Pedal Position Sensor R25/2
IFI Control Module N3/7
Modulating Pressure Switchover Valve Y3/4
Pressure Control Flap Vacuum Transducer Y31/2
Pressure Sensor B28
Relay Module K40
Resonance Intake Line Switchover Valve Y22/7
Resonance Intake Manifold Switchover Valve Y22/6
Starter Lock-Out/Backup Light Switch S16/1
Stop Light Switch S9/1
Upshift Delay Switchover Valve Y3/5