2006 MERCEDES-BENZ SPRINTER Service Manual

battery location gearbox suspension climate settings USB port transmission fluid

Page 537 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual TEST ACTION APPLICABILITY
1NOTE: If DTC P1611, P2306 or P2332 is present with this DTC, diagnose
DTCs P1611, P2306 or P2332 before diagnosing this DTC.
NOTE: If the ECM detects and stores a DTC, the E

Page 538 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the Engine Oil Sensor harness connector.
Disconnect the ECM harness connectors.
Remove the Engine Control Relay.
Connect a jumper wire bet

TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the Engine Oil Sensor harness connector.
Disconnect the ECM harness connectors.
Remove the Engine Control Relay.
Connect a jumper wire between cavity 30 and cavity 87 of the Engine Control Relay
connector.
Turn the ignition on.
Measure the voltage of the Engine Oil Sensor Signal circuit.
Is the voltage below 1.0 volt?All
Ye s!Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No!Repair the Engine Oil Sensor Signal circuit for a short to voltage.
Perform ROAD TEST VERIFICATION - VER-2.
5 Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Engine Oil Sensor harness connector.
Measure the resistance of the 5-Volt Supply circuit between the ECM harness
connector and the Engine Oil Sensor harness connector.
Is the resistance below 10.0 ohms?All
Ye s!Go To 6
No!Repair the 5-Volt Supply circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
6 Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Engine Oil Sensor harness connector.
Measure the resistance of the Sensor Ground circuit.
Is the resistance below 10.0 ohms?All
Ye s!Replace the Engine Oil Sensor.
Perform ROAD TEST VERIFICATION - VER-2.
No!Repair the Sensor Ground circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
7 Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Engine Oil Sensor harness connector.
Measure the resistance of the Engine Oil Sensor Signal circuit.
Is the resistance below 10.0 ohms?All
Ye s!Go To 8
No!Repair the Engine Oil Sensor Signal circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
8 Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Engine Oil Sensor harness connector.
Measure the resistance between ground and the Engine Oil Sensor Signal circuit.
Is the resistance above 1000 ohms?All
Ye s!Go To 9
No!Repair the Engine Oil Sensor Signal circuit for a short to ground.
Perform ROAD TEST VERIFICATION - VER-2.
11 5
DRIVEABILITY - DIESEL
P2014-ENGINE OIL SENSOR OIL TEMPERATURE PLAUSIBILITY Ð
Continued

Page 539 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual TEST ACTION APPLICABILITY
9 Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Engine Oil Sensor harness connector.
Measure the resistance between Sensor Ground and the Engin

Page 540 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual Symptom List:
P2015-FUEL RAIL PRESSURE MALFUNCTION MAXIMUM FUEL
FLOW EXCEEDED
P2016-FUEL RAIL PRESSURE MALFUNCTION DECELERATION
ERROR
P2016-FUEL RAIL PRESSURE MALFUNCTION FUEL FLOW BE-
LOW MINIMUM QUA

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MERCEDES-BENZ SPRINTER 2006 Service Manual POSSIBLE CAUSES
CHECKING THE FUEL DELIVERY SYSTEM
CORRECTION QUANTITY CHECK
CYLINDER SPEED CHECK
FUEL INJECTION PUMP CHECK
FUEL LEAK QUANTITY CHECK
FUEL LEAK QUANTITY CHECK
FUEL PRESSURE SOLENOID
FUEL

Page 542 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
WARNING: HIGH-PRESSURE FUEL LINES DELIVER DIESEL FUEL UN-
DER EXTREME PRESSURE FROM THE INJECTION PUMP TO THE FUEL
INJECTORS. THIS MAY BE AS HIGH AS

Page 543 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual TEST ACTION APPLICABILITY
5NOTE: If the ECM detects and stores a DTC, the ECM also stores the
engine/vehicle operating conditions under which the DTC was set. Some of
these conditions are displayed on

TEST ACTION APPLICABILITY
5NOTE: If the ECM detects and stores a DTC, the ECM also stores the
engine/vehicle operating conditions under which the DTC was set. Some of
these conditions are displayed on the DRB IIItat the same time the DTC is
displayed.
NOTE: Before erasing stored DTCs, record these conditions. Attempting to
duplicate these conditions may assist when checking for an active DTC.
NOTE: Refer to the Service Information and perform the Air Bleed Proce-
dure before continuing diagnosis.
Turn the ignition on.
With the DRBIIIt, erase the ECM DTCs.
Start and idle the engine while monitoring for ECM DTC's.
If the DTC does not reset at idle condition, test drive the vehicle under various load
and speed conditions to attempt to duplicate the fault.
NOTE: Driving the vehicle up and down steep hills or rapid cornering with
a low fuel level can cause this DTC to set. Verify with customer if Low Fuel
Light was illuminated when fault occurred.
With the DRBIIIt, read the ECM DTCs.
Does the DRBIIItdisplay this DTC?All
Ye s!Go To 6
No!Go To 16
6 Start the engine.
With the DRBIIItin Sensors, compare the Fuel Pressure Setpoint with the Actual
Fuel Pressure readings.
NOTE: If there is air in the fuel system, the Actual Fuel Pressure will
oscillate above and below the Fuel Pressure Setpoint.
Does Actual Fuel Pressure oscillate above and below the Fuel Pressure Setpoint?All
Ye s!Refer to the Service Information to purge air from the fuel system.
Perform ROAD TEST VERIFICATION - VER-2.
No!Go To 7
7 Start the engine.
With the DRBIIItin Sensors, compare the Fuel Pressure Setpoint with the Actual
Fuel Pressure readings.
NOTE: A sticking Fuel Pressure Solenoid is indicated by Actual Fuel
Pressure gradually dropping below the Fuel Pressure Setpoint then sud-
denly increasing (spiking) above the Fuel Pressure Setpoint.
Does Actual Fuel Pressure gradually decrease then suddenly increase (spike) above
the Fuel PressureAll
Ye s!Replace the Fuel Pressure Solenoid in accordance with the
Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No!Go To 8
120
DRIVEABILITY - DIESEL
P2015-FUEL RAIL PRESSURE MALFUNCTION MAXIMUM FUEL FLOW
EXCEEDED Ð
Continued

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MERCEDES-BENZ SPRINTER 2006 Service Manual TEST ACTION APPLICABILITY
8 Refer to the appropriate Service Information and refer to Diagnosis and Testing Fuel
Delivery System table.
NOTE: The following is a list of problems that can cause fuel pr

TEST ACTION APPLICABILITY
8 Refer to the appropriate Service Information and refer to Diagnosis and Testing Fuel
Delivery System table.
NOTE: The following is a list of problems that can cause fuel pressure to
deviate from specification: restricted fuel filter or fuel lines, failed fuel
pressure solenoid, failed fuel lift pump, failed fuel sending unit, contami-
nated fuel, faulty injector.
Were there any problems with the Fuel Delivery System?All
Ye s!Repair as necessary in accordance with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No!Go To 9
9 Refer to each of the following symptoms in the Driveability category.
CHECKING THE FUEL PRESSURE SOLENOID CIRCUITS
CHECKING THE FUEL QUANTITY SOLENOID CIRCUITS
CHECKING THE FUEL PRESSURE SENSOR CIRCUITS
Were any problems found?All
Ye s!Repair as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No!Go To 10
10NOTE: An injector that sticks open can cause this DTC. A sticking injector
will cause the engine to misfire and emit excessive black smoke from the
exhaust system.
Refer to the Service Information and perform the Fuel Injector Leak Quantity Test.
Were any problems found?All
Ye s!Using the Service Information, remove and inspect the Fuel
Injectors for signs of damage or debris that may cause the injector
to stick. Sticking injectors may cause the combustion chamber to
become black and oil soaked. Replace Injector(s) as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No!Go To 11
11 With the DRBIIIt, select System Test, Smooth Eng Run Check, then Correction
Quantity Check.
Perform this test at Idle, 2000 rpm and 3000 rpm.
NOTE: Readings per cylinder should be below 0.00450 mm
3/stroke for each
cylinder at each engine speed.
Did any of the cylinders exceed 0.00450 mm
3/stroke during this test?All
Ye s!Replace Fuel Injector of the cylinder(s) that had readings above
0.00450 mm
3/stroke.
Perform ROAD TEST VERIFICATION - VER-2.
No!Go To 12
12 With the DRBIIIt, select System Test, Smooth Eng Run Check, then Cylinder Speed
Check.
NOTE: Readings for all cylinders should be close to each other. Look for one
or two cylinders to differ high or low from the other cylinders.
Did any of the cylinders differ significantly from the majority of the other cylinders?All
Ye s!Replace Fuel Injector of the cylinder(s) that had readings signif-
icantly above or below the other fuel injectors.
Perform ROAD TEST VERIFICATION - VER-2.
No!Go To 13
121
DRIVEABILITY - DIESEL
P2015-FUEL RAIL PRESSURE MALFUNCTION MAXIMUM FUEL FLOW
EXCEEDED Ð
Continued

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