On-board diagnostic system
The Sequential Multiport Fuel Injection (SFI) control
module monitors emission control components that
either provide input signals to or receive output signals
from the control module. Malfunctions resulting from
interruptions or failure of any of these components are
indicated by the “CHECK ENGINE” malfunction
indicator lamp in the instrument cluster and are
simultaneously stored in the SFI control module.
Check engine malfunction indicator lamp
Engine malfunction indicator lamp. If the
“CHECK ENGINE” malfunction indicator
lamp comes on when the engine is running,
it indicates a malfunction of the fuel management
system, emission control system, systems which impact
emissions, or the fuel cap is not closed tight (check the
fuel cap). If the “CHECK ENGINE” lamp is illuminated
continuously and the vehicle is driving normally, you
may still drive the vehicle, however, in all cases, we
recommend that you have the system checked at your
authorized Mercedes-Benz Light Truck Center as soon
as possible.
If the “CHECK ENGINE” malfunction indicator lamp
comes on, have the system checked at your authorized
Mercedes-Benz Light Truck Center as soon as possible.
With some exceptions, the control module switches off
the “CHECK ENGINE” malfunction indicator lamp if the
condition, causing the lamp to come on, no longer exists
during three consecutive cycles.
If the “CHECK ENGINE” lamp comes on continuously
and/ or the vehicle is not driving normally (e.g.
malfunction of the fuel management system or running
out of fuel), serious damage can occur to the emission
system. Please contact your authorized Mercedes-Benz
Light Truck Center immediately.
An on-board diagnostic connector is located in
passenger compartment on the driver’s side near hood
lock release on the upper left of footwell, allowing the
accurate identification of system malfunctions through
the readout of diagnostic trouble codes.
Malfunction and indicator lamps
265
Instruments
and controls
Instrument
cluster display
Technical
data
Operation
Driving
Practical hints
Car care
Index
| Categories | Mercedes-Benz G-Class Manuals, Mercedes-Benz Manuals |
|---|---|
| Tags | Mercedes Benz W463, Mercedes-Benz G500 |
| Model Year | 2002 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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