MERCEDES-BENZ SPRINTER 2006 Service Manual

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

TEST ACTION APPLICABILITY
3 Disconnect the Central Timer Module C1 connector.
Disconnect the Master Door Lock Switch connector.
Measure the resistance between ground and the Passenger Door Ajar Indicator
Driver circuit.
Is the resistance below 20000.0 ohms?All
Ye s!Repair the Passenger Door Ajar Indicator Driver wire for a short
to ground.
Perform BODY VERIFICATION TEST - VER 1.
No!Replace the Central Timer Module.
Perform BODY VERIFICATION TEST - VER 1.
199
POWER DOOR LOCKS/RKE
PASSENGER DOOR AJAR INDICATOR DRIVER CIRCUIT SHORT TO
GROUND Ð
Continued

Symptom:
REPLACE CONTROL MODULE
When Monitored and Set Condition:
REPLACE CONTROL MODULE
When Monitored: Whenever the battery voltage is above 10.0 volts and the module is
connected.
Set Condition: The SKREEM has detected an internal failure and must be replaced.
POSSIBLE CAUSES
CTM INTERNAL FAILURE
TEST ACTION APPLICABILITY
1 View repair.All
Repair
Replace the Sentry Key RemotE Entry Module in accordance with
Service Instructions.
Perform BODY VERIFICATION TEST - VER 1.
200
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

TEST ACTION APPLICABILITY
3 Disconnect the Central Timer Module C1 connector.
Disconnect the SKREEM connector.
Measure the resistance between ground and the RKE Interface circuit.
Is the resistance below 20000.0 ohms?All
Ye s!Repair the RKE Interface circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No!Replace the Sentry Key RemotE Entry Module.
Perform BODY VERIFICATION TEST - VER 1.
202
POWER DOOR LOCKS/RKE
RKE INTERFACE CIRCUIT SHORT TO GROUND - CTM ÐContinued

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

TEST ACTION APPLICABILITY
3 Disconnect the Central Timer Module C1 connector.
Disconnect the SKREEM connector.
Measure the resistance between ground and the RKE Interface circuit.
Is the resistance below 20000.0 ohms?All
Ye s!Repair the RKE Interface circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No!Go To 4
4 Disconnect the Central Timer Module C1 connector.
Disconnect the SKREEM connector.
Measure the resistance of the RKE Interface circuit between the SKREEM connector
and the CTM C1 connector..
Is the resistance below 5.0 ohms?All
Ye s!Replace the Central Timer Module.
Perform BODY VERIFICATION TEST - VER 1.
No!Repair the RKE Interface circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
204
POWER DOOR LOCKS/RKE
RKE INTERFACE CIRCUIT SHORT TO GROUND - SKREEM ÐContinued

Symptom:
RKE INTERFACE CIRCUIT SHORT TO VOLTAGE - CTM
When Monitored and Set Condition:
RKE INTERFACE CIRCUIT SHORT TO VOLTAGE - CTM
When Monitored: Whenever the battery voltage is above 10.0 volts and the module is
connected.
Set Condition: If the CTM monitors a voltage on the RKE Interface circuit for over 30
seconds, this code will set.
POSSIBLE CAUSES
CENTRAL TIMER MODULE SHORT TO VOLTAGE
RKE INTERFACE WIRE SHORT TO VOLTAGE
SKREEM SHORTED
TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the Central Timer Module C1 connector.
Measure the voltage between ground and the RKE Interface circuit.
Is there any voltage present?All
Ye s!Go To 2
No!Replace the Central Timer Module.
Perform BODY VERIFICATION TEST - VER 1.
2 Disconnect the Central Timer Module C1 connector.
Disconnect the SKREEM connector.
Turn the ignition on.
Measure the voltage between ground and the RKE Interface circuit.
Is there any voltage present?All
Ye s!Repair the RKE Interface circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No!Replace the Sentry Key RemotE Entry Module.
Perform BODY VERIFICATION TEST - VER 1.
205
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

TEST ACTION APPLICABILITY
3 Disconnect the Central Timer Module C1 connector.
Disconnect the SKREEM connector.
Turn the ignition on.
Measure the voltage between ground and the RKE Interface circuit.
Is there any voltage present?All
Ye s!Repair the RKE Interface circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No!Replace the Central Timer Module.
Perform BODY VERIFICATION TEST - VER 1.
207
POWER DOOR LOCKS/RKE
RKE INTERFACE CIRCUIT SHORT TO VOLTAGE - SKREEM ÐContinued