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Engine Controls - Tests W/codes - Hfm-Sfi System: Component Locations Mercedes-Benz C-class W202

Testing & Diagnostics 5 illustrations

ELECTRICAL SYSTEM TESTS COMPONENT LOCATIONS (SECTION 21)

ComponentSee
Adjustable Camshaft Timing Solenoid (Y49)(Scheme 59)
Air Pump (M33)(Scheme 60)
Air Pump Switchover Valve (Y32)(Scheme 60)
Air Relay Module (K17)(Scheme 61)
"CHECK ENGINE" MIL (A1e26)(Scheme 61)
CKP Sensor (L5)(Scheme 59)
CMP Sensor (L5/1)(Scheme 59)
Data Link Connector - DTC Readout (X11/4)(Scheme 61)
Diagnostic Module - OBD II (N59/1)(Scheme 63)
Diagnostic Module - OBD II Generic Scan Tool Connector (X11/22)(Scheme 63)
DM Pressure Sensor (B5/2)(Scheme 62) & (Scheme 63)
ECT Sensor (B11/3)(Scheme 59)
EGR Switchover Valve (Y27)(Scheme 60)
Engine Control Module - HFM-SFI (N3/4)(Scheme 61)
FP Relay Module (K27)(Scheme 61)
Hot Film Mass Air Flow Sensor (B2/5)(Scheme 60)
IAT Sensor (B17)
Engine 111(Scheme 59)
Model 202(Scheme 62)
Ignition Coil - Cylinders 1 & 4 (T1/1)(Scheme 59)
Ignition Coil - Cylinders 2 & 3 - (T1/2)(Scheme 59)
Injectors (Y62)(Scheme 59)
ISC Sensor (M16/6)(Scheme 59)
Knock Sensors (A16)(Scheme 59)
O2S 1 - Before TWC (G3/2)
Engine 111(Scheme 60)
Model 202(Scheme 62)
O2S 2 - After TWC (G3/1)(Scheme 62)
O2S 2 (After TWC) Heater Relay Module (K35)(Scheme 61)
Overvoltage Protection Relay Module - (Pole (K1/2)(Scheme 61)
Purge Control Valve (Y58/1)(Scheme 62)
Purge Flow Switchover Valve (Y27/6)(Scheme 63)
Starter Lock-Out/Backup Lamp Switch (S16/1)(Scheme 59)
Upshift Delay Switchover Valve (Y3/3)(Scheme 61)

ELECTRICAL SYSTEM TESTS COMPONENT LOCATIONS (SECTION 21)

Scheme 59

Scheme 59

Scheme 60

Scheme 60

Scheme 61

Scheme 61

Scheme 62

Scheme 62

Scheme 63

Scheme 63