display MERCEDES-BENZ SPRINTER 2006 Workshop Manual

Symptom:
FUEL LEVEL SENSOR SHORT TO GROUND
POSSIBLE CAUSES
FUEL LEVEL SENSOR
FUEL LEVEL SENSOR CIRCUITS SHORTED TOGETHER
INSTRUMENT CLUSTER
FUEL LEVEL SENSOR SIGNAL (+) SHORT TO GROUND
TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the Fuel Pump Module harness connector.
Turn the ignition on, with the DRBIIIt, read DTCs.
Does the DRBIIItdisplay: Fuel Level Sensor Shorted to Ground?All
Ye s!Go To 2
No!Replace the Fuel Level Sensor in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Disconnect the Fuel Pump Module harness connector.
Measure the resistance between ground and the Fuel Level Sensor Signal (+) circuit.
Is the resistance below 1000 ohms?All
Ye s!Repair the Fuel Level Sensor Signal (+) circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No!Go To 3
3 Turn the ignition off.
Disconnect the Fuel Pump Module harness connector.
Disconnect the Instrument Cluster C1 harness connector.
Measure the resistance between the Fuel Level Sensor Signal (+) circuit and Fuel
Level Sensor Signal Return circuit.
Is the resistance below 1000 ohms?All
Ye s!Repair the Fuel Level Sensor Signal (+) circuit for a short to the
Sensor Return circuit.
Perform BODY VERIFICATION TEST - VER 1.
No!Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
184
INSTRUMENT CLUSTER

Symptom:
DRIVER DOOR AJAR INDICATOR DRIVER CIRCUIT SHORT TO
GROUND
When Monitored and Set Condition:
DRIVER DOOR AJAR INDICATOR DRIVER CIRCUIT SHORT TO GROUND
When Monitored: Whenever the battery is above 10.0 volts and the module is connected.
Set Condition: Whenever the CTM senses resistance on the Driver Door Ajar Indicator
Driver circuit for over 30 seconds, this code will set.
POSSIBLE CAUSES
DTC PRESENT
MASTER DOOR LOCK SWITCH SHORTED
CENTRAL TIMER MODULE SHORTED
DRIVER DOOR AJAR INDICATOR DRIVER WIRE SHORT TO GROUND
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIIIt, read DTC's.
Operate the Door Locks several times while observing the DRBIIIt.
Wait 10 seconds.
Does the DRBIIItdisplay DRIVER DOOR AJAR INDICATOR CIRCUIT SHORT TO
GROUND?All
Ye s!Go To 2
No!The conditions that caused this code to set are not present at this
time. Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Master Door Lock Switch connector.
Measure the resistance between ground and the Driver Door Ajar Indicator Driver
circuit..
Is the resistance below 1000.0 ohms?All
Ye s!Go To 3
No!Replace the Master Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1.
196
POWER DOOR LOCKS/RKE

Symptom:
PASSENGER DOOR AJAR INDICATOR DRIVER CIRCUIT SHORT
TO GROUND
When Monitored and Set Condition:
PASSENGER DOOR AJAR INDICATOR DRIVER CIRCUIT SHORT TO GROUND
When Monitored: Whenever the battery is above 10.0 volts and the module is connected.
Set Condition: Whenever the CTM senses resistance on the Passenger Door Ajar
Indicator Driver circuit for over 30 seconds, this code will set.
POSSIBLE CAUSES
DTC PRESENT
MASTER DOOR LOCK SWITCH SHORTED
CENTRAL TIMER MODULE SHORTED
PASSENGER DOOR AJAR INDICATOR DRIVER WIRE SHORT TO GROUND
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIIIt, read DTC's.
Operate the Door Locks several times while observing the DRBIIIt.
Wait 10 seconds.
Does the DRBIIItdisplay PASSENGER DOOR AJAR INDICATOR CIRCUIT
SHORT TO GROUND?All
Ye s!Go To 2
No!The conditions that caused this code to set are not present at this
time. Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Master Door Lock Switch connector.
Measure the resistance between ground and the Passenger Door Ajar Indicator
Driver circuit..
Is the resistance below 1000.0 ohms?All
Ye s!Go To 3
No!Replace the Master Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1.
198
POWER DOOR LOCKS/RKE

Symptom:
RKE INTERFACE CIRCUIT SHORT TO GROUND - CTM
When Monitored and Set Condition:
RKE INTERFACE CIRCUIT SHORT TO GROUND - CTM
When Monitored: Whenever the battery voltage is above 10.0 volts and the module is
connected.
Set Condition: If the CTM monitors a resistance below 7500.0 ohms for over 1 minute,
this code will set.
POSSIBLE CAUSES
DTC PRESENT
CENTRAL TIMER MODULE SHORTED
RKE INTERFACE WIRE SHORTED
SKREEM SHORTED
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIIIt, read DTC's.
Using the RKE transmitter, operate the Door Locks several times while observing the
DRBIIIt.
Wait 10 seconds.
Does the DRBIIItdisplay RKE INTERFACE CIRCUIT SHORT TO GROUND?All
Ye s!Go To 2
No!Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition. Using the
RKE transmitter, operate the door locks several times and re-
check for any DTC's.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Central Timer Module C1 connector.
Measure the resistance between ground and the RKE Interface circuit.
Is the resistance below 8500.0 ohms?All
Ye s!Go To 3
No!Replace the Central Timer Module.
Perform BODY VERIFICATION TEST - VER 1.
201
POWER DOOR LOCKS/RKE

Symptom:
RKE INTERFACE CIRCUIT SHORT TO GROUND - SKREEM
When Monitored and Set Condition:
RKE INTERFACE CIRCUIT SHORT TO GROUND - SKREEM
When Monitored: Whenever the battery voltage is above 10.0 volts and the module is
connected.
Set Condition: If the SKREEM monitors a resistance below 4000.0 ohms or over 9000.0
ohms for over 30 seconds, this code will set.
POSSIBLE CAUSES
DTC PRESENT
SENTRY KEY REMOTE ENTRY MODULE SHORTED
RKE INTERFACE WIRE SHORTED
RKE INTERFACE WIRE OPEN
CENTRAL TIMER MODULE FAILURE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIIIt, read DTC's.
Using the RKE transmitter, operate the Door Locks several times while observing the
DRBIIIt.
Wait 10 seconds.
Does the DRBIIItdisplay RKE INTERFACE CIRCUIT OPEN OR SHORT TO
GROUND?All
Ye s!Go To 2
No!Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition. Using the
RKE transmitter, operate the door locks several times and re-
check for any DTC's.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Sentry Key RemotE Entry Module connector.
Measure the resistance between ground and the RKE Interface circuit.
Is the resistance between 5500.0 (5.5K) and 6500.0 (6.5K) ohms?All
Ye s!Replace the Sentry Key Remote Entry Module.
Perform BODY VERIFICATION TEST - VER 1.
No!Go To 3
203
POWER DOOR LOCKS/RKE

Symptom:
RKE INTERFACE CIRCUIT SHORT TO VOLTAGE - SKREEM
When Monitored and Set Condition:
RKE INTERFACE CIRCUIT SHORT TO VOLTAGE - SKREEM
When Monitored: Whenever the battery voltage is above 10.0 volts and the module is
connected.
Set Condition: If the SKREEM monitors a voltage on the RKE Interface circuit for over
30 seconds, this code will set.
POSSIBLE CAUSES
DTC PRESENT
SENTRY KEY REMOTE ENTRY MODULE SHORT TO VOLTAGE
RKE INTERFACE WIRE SHORT TO VOLTAGE
CENTRAL TIMER MODULE SHORTED
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIIIt, read DTC's.
Turn the ignition off and remove the key.
Using the RKE transmitter, operate the Door Locks several times while observing the
DRBIIIt.
Wait 10 seconds.
Does the DRBIIItdisplay RKE INTERFACE CIRCUIT SHORT TO VOLTAGE?All
Ye s!Go To 2
No!Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition. Using the
RKE transmitter, operate the door locks several times and re-
check for any DTC's.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Sentry Key Remote Entry Module connector.
Measure the voltage between ground and the RKE Interface circuit.
Is there any voltage present?All
Ye s!Go To 3
No!Replace the Sentry Key Remote Entry Module.
Perform BODY VERIFICATION TEST - VER 1.
206
POWER DOOR LOCKS/RKE

Symptom:
THE ACM HAS UNLOCKED THE DOORS
When Monitored and Set Condition:
THE ACM HAS UNLOCKED THE DOORS
When Monitored: Whenever the battery is above 10.0 volts and the module is connected.
Set Condition: Whenever the CTM senses battery voltage for over 50ms on the Enhanced
Accident Report Driver circuit, this code will set. If the ACM senses a near deployment
impact (not enough to fire the airbag) this code may set.
POSSIBLE CAUSES
DTC PRESENT
POWERTRAIN DTC
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIIIt, read DTC's.
Operate the Door Locks several times while observing the DRBIIIt.
Wait 10 seconds.
Does the DRBIIItdisplay THE ACM HAS UNLOCKED THE DOORS?All
Ye s!Refer to symptom P1681 ACM CIRCUIT FAULT in the POWER-
TRAIN SERVICE INFORMATION.
Perform BODY VERIFICATION TEST - VER 1.
No!The condition that set this code is not present at this time. By
erasing the DTC the door locks should work properly at this time.
Perform BODY VERIFICATION TEST - VER 1.
208
POWER DOOR LOCKS/RKE

Symptom:
UNKNOWN TROUBLE CODE UNKNOWN DTC TYPE 2
When Monitored and Set Condition:
UNKNOWN TROUBLE CODE UNKNOWN DTC TYPE 2
When Monitored: Whenever the battery voltage is above 10.0 volts and the module is
connected.
Set Condition: The SKREEM has detected a code but is confused as to which one it is.
POSSIBLE CAUSES
DTC PRESENT
SKREEM SHORTED
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIIIt, read DTC's.
Turn the ignition off and remove the key.
Using the RKE transmitter, operate the Door Locks several times while observing the
DRBIIIt.
Wait 10 seconds.
Does the DRBIIItdisplay UNKNOWN TROUBLE CODE UNKNOWN TYPE 2?All
Ye s!Replace the Sentry Key RemotE Entry Module.
Perform BODY VERIFICATION TEST - VER 1.
No!The conditions that caused this code to set are not present at this
time. Using the RKE transmitter, operate the door locks several
times and re-check for any DTC's.
Perform BODY VERIFICATION TEST - VER 1.
209
POWER DOOR LOCKS/RKE

Symptom:
*RKE INOPERATIVE
POSSIBLE CAUSES
DTC PRESENT
TRANSMITTER INOPERATIVE
CENTRAL TIMER MODULE
SKREEM OPEN
TEST ACTION APPLICABILITY
1 With the DRBIIIt, read DTC's.
Turn the ignition off and remove the key.
Using the RKE transmitter, operate the Door Locks several times while observing the
DRBIIIt.
Wait 10 seconds.
Does the DRBIIItdisplay any Door Lock or RKE related DTC's?All
Ye s!Refer to symptom list for problems related to POWER DOOR
LOCKS/RKE..
Perform BODY VERIFICATION TEST - VER 1.
No!Go To 2
2 Ensure the batteries in the transmitter are good before proceeding.
Using the Miller Tool 9001 RF DETECTOR, test the transmitter.
Does the transmitter pass the rest?All
Ye s!Go To 3
No!Replace and program the RKE Transmitter.
Perform BODY VERIFICATION TEST - VER 1.
3NOTE: If only one of the transmitters used with this vehicle is inoperative,
follow the instructions in the General Information section to put it back in
synchronization before proceeding.
Turn the ignition off.
Disconnect the Central Timer Module C1 connector.
Measure the resistance between ground and the RKE Interface circuit.
While observing the ohmmeter, press any button on the RKE transmitter.
NOTE: The resistance will be approximately 9000.0 ohms coming from the
SKREEM module.
Did the meter go to OL when the button was pressed?All
Ye s!Replace the Central Timer Module.
Perform BODY VERIFICATION TEST - VER 1.
No!Replace the Sentry Key RemotE Entry Module.
Perform BODY VERIFICATION TEST - VER 1.
210
POWER DOOR LOCKS/RKE

Symptom:
*RKE POOR RANGE
POSSIBLE CAUSES
DTC PRESENT
ANTENNA OPEN OR SHORTED
SKREEM OPEN
TEST ACTION APPLICABILITY
1 With the DRBIIIt, read DTC's.
Turn the ignition off and remove the key.
Using the RKE transmitter, operate the Door Locks several times while observing the
DRBIIIt.
Wait 10 seconds.
Does the DRBIIItdisplay any Door Lock or RKE related DTC's?All
Ye s!Refer to symptom list for problems related to POWER DOOR
LOCKS/RKE..
Perform BODY VERIFICATION TEST - VER 1.
No!Go To 2
2 Gain access to and disconnect the SKREEM module connector.
Measure the resistance between ground and the RKE Antenna circuit.
NOTE: The resistance should be between 0.2 and 0.4 ohms.
Is the resistance between 0.2 and 0.4 ohms?All
Ye s!Replace the Sentry Key RemotE Entry Module.
Perform BODY VERIFICATION TEST - VER 1.
No!Replace the RKE Antenna in the left A-pillar
Perform BODY VERIFICATION TEST - VER 1.
211
POWER DOOR LOCKS/RKE