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Component/Circuit Identification

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

COMPONENT/CIRCUIT IDENTIFICATION

Component/Circuit Manufacturer's Designation
Air Pump Relay Module K40/4k3
Air Pump Switchover Valve Y32
AIR Relay Module K17
Base Module N16/1
Drive Authorization System (DAS) Control Module N54/1
Camshaft (CMP) Sensor B6/1
CAN BUS From ESP/SPS Control Module N47-5
Crankshaft Position (CKP) Sensor L5
Cruise Control Switch S40/4
Cylinder Shutoff Valve (Right Bank) (Model 215) Y80
Cylinder Shutoff Valve (Left Bank) (Model 215) Y81
EA/CC/ISC Actuator M16/6
EGR Switchover Valve Y27
EGR Valve Vacuum Transducer Y31/1
Electronic Ignition Switch (EIS) N73
Engine Control Module (ECM) N3/10
Engine/Climate Control Electric Cooling Fan M4/3
Engine/Climate Control Electric Cooling Fan Control Module N76
Engine Coolant Temperature (ECT) Sensor B11/4
ECM Tachometer Signal TN Signal
EVAP Charcoal Canister Shut-Off Valve Y58/4
Fuel Injector (1) Y62y1
Fuel Pump Relay Module K27
Fuel Tank Pressure Sensor B4/3
Fuse/Relay Box F1
Ignition Coil (2) T1/1
Ignition/Starter Switch S2/1
Knock Sensor 1 (Right) A16g1
Knock Sensor 2 (Left) A16g2
Mass Airflow Sensor (MAF) B2/5
Oil Sensor B40
Output Ground Circuit Right Component Compartment (Models 208 & 210) W16/6
Output Ground Circuit Component Compartment (Model 163) W16
Output Ground Control Module Box (Model 129) W27
O2S 1 Left (Before TWC) G3/3
O2S 1 Right (Before TWC) G3/4
O2S 2 Left (After TWC) G3/5
O2S 2 Right (After TWC) G3/6
Passenger Side Fuse/Relay Module Box (Models 208 & 210) K40/4
Pedal Value Sensor B37
Pressure Sensor B28
Purge Control Valve Y58/1
Relay Module K40
Resonance Intake Manifold Switchover Valve Y22/6
Starter Lock-Out Relay Module (Model 129) K38/1
Starter Relay Module (Model 163) F1k8
Stop Light Switch S9/1
Transmission Control Module N15/3
Voltage Supply Circuit Circuit 30
(1) Last number identifies injector number.
(2) Last number identifies coil number.