Fig. 8.2. Location of the engine malfunction indicator lamp
If the light remains on while the engine is running, check for a fault code.
Note: After turning on the ignition, the indicator lamp lights up, which indicates that the engine management systems and the control lamp are being checked, then after a few seconds the indicator lamp turns off.
Fig. 8.3. Location of fuel system components in a vehicle with a diesel engine: A - electronic engine control unit (with atmospheric pressure sensor); B - camshaft position sensor; C - nozzle; D - fuel pressure sensor, fuel temperature sensor; E - Throttle control electromagnetic valve, Turbocharger flap control electromagnetic valve; F - EGR valve position sensor, EGR valve; G - air flow meter (together with the temperature sensor of the air entering the engine); H - air conditioner relay; I - glow plug relay block; J - fuel pressure regulator; K - crankshaft position sensor, vehicle speed sensor; L - coolant temperature sensor; N - clutch pedal position switch, brake light switch; P - accelerator pedal position sensor (1st and 2nd channel); Q - Air conditioning system switch; R - main relay, diagnostic connector; M - absolute pressure sensor
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