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Electrical System Tests Component Locations (Section 21)

ELECTRICAL SYSTEM TESTS COMPONENT LOCATIONS (SECTION 21)

Component See
Adjustable Camshaft Timing Solenoid (Y49) Fig 1
Air Pump (M33) Fig 2
Air Pump Switchover Valve (Y32) Fig 2
Air Relay Module (K17) Fig 3
"CHECK ENGINE" MIL (A1e26) Fig 3
CKP Sensor (L5) Fig 1
CMP Sensor (L5/1) Fig 1
Data Link Connector - DTC Readout (X11/4) Fig 3
Diagnostic Module - OBD II (N59/1) Fig 5
Diagnostic Module - OBD II Generic Scan Tool Connector (X11/22) Fig 5
DM Pressure Sensor (B5/2) Fig 4 & Fig 5
ECT Sensor (B11/3) Fig 1
EGR Switchover Valve (Y27) Fig 2
Engine Control Module - HFM-SFI (N3/4) Fig 3
FP Relay Module (K27) Fig 3
Hot Film Mass Air Flow Sensor (B2/5) Fig 2
IAT Sensor (B17)
Engine 111 Fig 1
Model 202 Fig 4
Ignition Coil - Cylinders 1 & 4 (T1/1) Fig 1
Ignition Coil - Cylinders 2 & 3 - (T1/2) Fig 1
Injectors (Y62) Fig 1
ISC Sensor (M16/6) Fig 1
Knock Sensors (A16) Fig 1
O2S 1 - Before TWC (G3/2)
Engine 111 Fig 2
Model 202 Fig 4
O2S 2 - After TWC (G3/1) Fig 4
O2S 2 (After TWC) Heater Relay Module (K35) Fig 3
Overvoltage Protection Relay Module - (Pole (K1/2) Fig 3
Purge Control Valve (Y58/1) Fig 4
Purge Flow Switchover Valve (Y27/6) Fig 5
Starter Lock-Out/Backup Lamp Switch (S16/1) Fig 1
Upshift Delay Switchover Valve (Y3/3) Fig 3
Fig 1: Electrical System Component Locations (Section 21) - Engine 111 (1 Of 2)
G00224281Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 2: Electrical System Component Locations (Section 21) - Engine 111 (2 Of 2)
G00224282Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Electrical System Component Locations (Section 21) - Model 202 (1 Of 3)
G00224283Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 4: Electrical System Component Locations (Section 21) - Model 202 (2 Of 3)
G00224284Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 5: Electrical System Component Locations (Section 21) - Model 202 (3 Of 3)
G00224285Courtesy of MERCEDES-BENZ OF NORTH AMERICA.