2006 MERCEDES-BENZ SPRINTER air condition

Symptom List:
P2132-GLOW PLUG CONTROL MODULE CIRCUIT OPEN CIRCUIT
P2132-GLOW PLUG CONTROL MODULE CIRCUIT SHORTED TO
GROUND
P2132-GLOW PLUG CONTROL MODULE CIRCUIT SHORTED TO
VOLTAGE OR OPEN
P2132-GLOW PLUG CONTROL MODULE FAULT
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P2132-GLOW PLUG CONTROL
MODULE CIRCUIT OPEN CIRCUIT.
POSSIBLE CAUSES
BATTERY SUPPLY CIRCUIT OPEN
GROUND CIRCUIT OPEN
INTERMITTENT CONDITION
GLOW PLUG CONTROL MODULE
TEST ACTION APPLICABILITY
1NOTE: 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 at 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.
Turn the ignition on.
With the DRB, erase ECM DTCs.
Turn the ignition off for 10 seconds.
Turn the ignition on.
Monitor the DRB for ECM DTCs.
Repeat this test several times.
Did this DTC set again?All
Ye s!Go To 2
No!Go To 4
2 Turn the ignition off.
Disconnect the Glow Plug Control Module harness connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit at the Glow
Plug Control Module harness connector.
Does the test light illuminate brightly?All
Ye s!Go To 3
No!Repair the Glow Plug Control Module Ground circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
171
DRIVEABILITY - DIESEL

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Glow Plug Control Module harness connector.
Using a 12-volt test light connected to ground, check the Battery Supply circuit at the
Glow Plug Control Module harness connector.
Does the test light illuminate brightly?All
Ye s!Replace the Glow Plug Control Module.
Perform ROAD TEST VERIFICATION - VER-2.
No!Repair the Glow Plug Control Module Battery Supply circuit for
an open.
Perform ROAD TEST VERIFICATION - VER-2.
4WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s!Repair as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No!Test Complete.
172
DRIVEABILITY - DIESEL
P2132-GLOW PLUG CONTROL MODULE CIRCUIT OPEN CIRCUIT Ð
Continued

TEST ACTION APPLICABILITY
7 Turn the ignition off.
Disconnect the Fuel Pressure Solenoid harness connector.
Turn the ignition on.
With the DRB, erase ECM DTCs.
Monitor the DRB for ECM DTCs.
NOTE: The DRB should display P2500-FUEL PRESSURE SOLENOID OPEN
CIRCUIT.
Turn the ignition off.
Connect a jumper wire between cavity 1 and cavity 2 of the Fuel Pressure Solenoid
harness connector.
Turn the ignition on.
With the DRB, erase ECM DTCs.
Monitor the DRB for ECM DTCs.
NOTE: The DRB should display P2501-FUEL PRESSURE SOLENOID
SHORT CIRCUIT.
Does the DRB display the appropriate DTC for each condition?All
Ye s!Replace the Fuel Pressure Solenoid in accordance with the
Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No!Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
8WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time.The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s!Repair as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No!Test Complete.
176
DRIVEABILITY - DIESEL
P2151-FUEL PRESS SOLENOID SIGNAL PLAUSIBILITY HIGH Ð
Continued

TEST ACTION APPLICABILITY
6 Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Fuel Quantity Solenoid harness connector.
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 each of the Fuel Quantity Solenoid circuits.
Is the voltage below 1.0 volt for each measurement?All
Ye s!Replace the Fuel Quantity Solenoid in accordance with the
Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No!Repair the circuit(s) that measured above 1.0 volts for a short to
voltage.
Perform ROAD TEST VERIFICATION - VER-2.
7WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s!Repair as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No!Test Complete.
179
DRIVEABILITY - DIESEL
P2197-FUEL QUANTITY SOLENOID OPEN CIRCUIT ÐContinued

Symptom List:
P2203-TORQUE REDUCTION MESSAGE FROM ABS - CAN PLAUSI-
BILITY
P2203-TORQUE REDUCTION MESSAGE FROM ABS - MESSAGE
ERROR
P2203-TORQUE REDUCTION MESSAGE FROM ABS - MESSAGES
MISSING
P2203-TORQUE REDUCTION MESSAGE FROM ABS - NO COMMUN-
IOCATION
P2203-TORQUE REDUCTION MESSAGE FROM ABS - PLAUSIBIL-
ITY #1
P2203-TORQUE REDUCTION MESSAGE FROM ABS PLAUSIBILITY
#2
P2208-ABS BRAKE SIGNAL CAN MESSAGE IMPLAUSIBLE
P2208-ABS CAN BRAKE SIGNAL PLAUSIBILITY
P2209-ABS CAN MESSAGE MISSING OR INCORRECT
P2253-STEERING ANGLE SENSOR PLAUSIBILITY
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P2203-TORQUE REDUCTION
MESSAGE FROM ABS - CAN PLAUSIBILITY.
POSSIBLE CAUSES
CAB DTCS
ENGINE CONTROL MODULE
VERIFY CAB COMMUNICATION
INTERMITTENT CONDITION
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIItattempt to communicate with the CAB.
NOTE: If there are other DTCs set with this DTC, refer to the Symptom List
and repair other stored ECM DTCs before diagnosing this DTC.
Is the CAB communicating with the DRB?All
Ye s!Go To 2
No!Refer to the appropriate symptom in the Body Diagnostic Infor-
mation.
Perform BODY VERIFICATION TEST - VER 1.
180
DRIVEABILITY - DIESEL

TEST ACTION APPLICABILITY
2 Turn the ignition on.
With the DRBIIIt, read the CAB DTCs.
Are there any CAB DTCs?All
Ye s!Refer to symptom list for problems related to CAB.
Perform BODY VERIFICATION TEST - VER 1.
No!Go To 3
3NOTE: 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 at 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.
Turn the ignition on.
With the DRBIIIt, erase the ECM DTCs.
Turn the ignition off then turn the ignition on and wait 60 seconds.
With the DRBIIIt, read the ECM DTCs.
Does the DRB display this DTC?All
Ye s!Replace and program the Engine Control Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No!Go To 4
4WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s!Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No!Test Complete.
181
DRIVEABILITY - DIESEL
P2203-TORQUE REDUCTION MESSAGE FROM ABS - CAN PLAUSIBIL-
ITY Ð
Continued

Symptom List:
P2204-TORQUE REDUCTION MESSAGE FROM TCM - CAN PLAU-
SIBILITY
P2204-TORQUE REDUCTION MESSAGE FROM TCM - ENGINE
STOP
P2204-TORQUE REDUCTION MESSAGE FROM TCM - MESSAGE
ERROR
P2204-TORQUE REDUCTION MESSAGE FROM TCM - MESSAGES
MISSING
P2204-TORQUE REDUCTION MESSAGE FROM TCM - PLAUSIBIL-
ITY
P2204-TORQUE REDUCTION MESSAGE FROM TCM - TCM DTC #1
P2204-TORQUE REDUCTION MESSAGE FROM TCM - TCM DTC #2
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P2204-TORQUE REDUCTION
MESSAGE FROM TCM - CAN PLAUSIBILITY.
POSSIBLE CAUSES
ENGINE CONTROL MODULE
TCM DTCS
VERIFY TCM COMMUNICATION
INTERMITTENT CONDITION
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIItattempt to communicate with the TCM.
NOTE: If there are other DTCs set with this DTC, refer to the Symptom List
and repair other stored ECM DTCs before diagnosing this DTC.
Is the TCM communicating with the DRB?All
Ye s!Go To 2
No!Refer to the appropriate symptom in the Body Diagnostic Infor-
mation.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition on.
With the DRBIIIt, read the TCM DTCs.
Are there any TCM DTCs?All
Ye s!Refer to symptom list for problems related to TCM.
Perform BODY VERIFICATION TEST - VER 1.
No!Go To 3
182
DRIVEABILITY - DIESEL

TEST ACTION APPLICABILITY
3NOTE: 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 at 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.
Turn the ignition on.
With the DRBIIIt, erase the ECM DTCs.
Turn the ignition off then turn the ignition on and wait 60 seconds.
With the DRBIIIt, read the ECM DTCs.
Does the DRB display this DTC?All
Ye s!Replace and program the Engine Control Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No!Go To 4
4WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s!Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No!Test Complete.
183
DRIVEABILITY - DIESEL
P2204-TORQUE REDUCTION MESSAGE FROM TCM - CAN PLAUSIBIL-
ITY Ð
Continued