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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
Adjustable Camshaft Timing Solenoid (Left) Y49/1
Adjustable Camshaft Timing Solenoid (Right) Y49/2
Air Pump Switchover Valve Y32
AIR Relay Module K17
Base Module N16/1
Body Acceleration Sensor B24
Drive Authorization System (DAS) Control Module N54/1
Camshaft (CMP) Sensor B6/1
CAN BUS From ESP/SPS Control Module N47-5
Check Engine Malfunction Indicator Light A1e26
Crankshaft Position (CKP) Sensor L5
Cruise Control Switch S40
EA/CC/ISC Actuator M16/6
Engine Control Module (ECM) N3/10
Engine/Climate Control Electric Cooling Fan Control Module N76
Engine Coolant Temperature (ECT) Sensor B11/4
ECM Tachometer Signal TN Signal
ECM Voltage Supply Circuit 87M
Electronic Ground Right Component Compartment (Model 210) W16/6
Electronic Ground, Right Footwell (Models 129 & 140) W15/1
EVAP Charcoal Canister Shut-Off Valve Y58/4
Fuel Injector (1) Y62y1
Fuel Pump Relay Module (Models 129 & 140) K27
Fuel Tank Pressure Sensor B4/3
Ignition Coil (2) T1/1
Intake Air Temperature (IAT) Sensor B17
Knock Sensor 1 (Right) A16g1
Knock Sensor 2 (Left) A16g2
Mass Airflow Sensor (MAF) B2/5
Oil Level Switch S43
Output Ground Circuit Component Compartment (Model 140) W15
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
Pedal Value Sensor B37
Pressure Sensor B28
Purge Control Valve Y58/1
Purge Monitoring Pressure Sensor B4/4
Relay Module (Model 210) K40
Remote Central Locking (RCL) Control Module N54
Stop Light Switch S9/1
Transmission Control Module N15/3
Vehicle Speed Sensor, Left Front Axle L6/1
Vehicle Speed Sensor, Left Rear Axle L6/3
Voltage Supply Circuit Circuit 30
(1) Last number identifies injector number.
(2) Last number identifies coil number.