Mercedes-Benz Sprinter / Dodge Sprinter. Service manual — part 57
Symptom:
INTRUSION SENSOR 2 GROUND CIRCUIT OPEN
When Monitored and Set Condition:
INTRUSION SENSOR 2 GROUND CIRCUIT OPEN
When Monitored:
Whenever the battery voltage is above 10.0 volts and the Security
System Module is connected.
Set Condition:
The Security System Module detects the incorrect voltage on the Intrusion
Sensor circuit.
POSSIBLE CAUSES
DTC PRESENT
GROUND CIRCUIT OPEN
INTRUSION SENSOR
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, record and erase DTC’s.
Remove the ignition key.
Close and lock all doors and set the Vehicle Theft Security System.
Wait 1 minute.
Disarm the Vehicle Theft System.
With the DRBIII
t, read DTC’s.
Does the DRBIII
t display the same DTC?
All
Yes
→ Go To 2
No
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2
Disconnect the Intrusion Sensor No. 2 connector.
Measure the resistance of the Ground circuit at the Intrusion Sensor connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Intrusion Sensor.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
225
VEHICLE THEFT/SECURITY
Symptom:
INTRUSION SENSOR 3 CIRCUIT OPEN/SHORT TO GROUND
When Monitored and Set Condition:
INTRUSION SENSOR 3 CIRCUIT OPEN/SHORT TO GROUND
When Monitored:
Whenever the battery voltage is above 10.0 volts and the Security
System Module is connected.
Set Condition:
The Security System Module detects the incorrect voltage on the Intrusion
Sensor circuit.
POSSIBLE CAUSES
DTC PRESENT
FUSE 2 IN FUSE BLOCK 3
FUSED B(+) WIRE OPEN
GROUND CIRCUIT OPEN
INTRUSION SENSOR 3 SIGNAL SHORTED
INTRUSION SENSOR 3 SIGNAL CIRCUIT OPEN
INTRUSION SENSOR INTERFACE WIRE SHORTED
INTRUSION SENSOR INTERFACE WIRE OPEN
INTRUSION SENSOR
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, record and erase DTC’s.
Remove the ignition key.
Close and lock all doors and set the Vehicle Theft Security System.
Wait 1 minute.
Disarm the Vehicle Theft System.
With the DRBIII
t, read DTC’s.
Does the DRBIII
t display the same DTC?
All
Yes
→ Go To 2
No
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2
Check Fuse 2 in Fuse Block 3.
Is the fuse open?
All
Yes
→ Check for a short to ground and replace the fuse.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
226
VEHICLE THEFT/SECURITY
TEST
ACTION
APPLICABILITY
3
Disconnect the Intrusion Sensor No. 3 connector.
Measure the voltage of the Fused B(+) circuit.
Is the voltage above 10.0 volts?
All
Yes
→ Go To 4
No
→ Repair the Fused B(+) circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
4
Disconnect the Intrusion Sensor No. 3 connector.
Measure the resistance of the Ground circuit at the Intrusion Sensor connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 5
No
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Disconnect the Security System Module C2 connector.
Disconnect the Intrusion Sensor No. 3 connector.
Measure the resistance between ground and the Intrusion Sensor 3 Signal circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Intrusion Sensor 3 Signal wire for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 6
6
Disconnect the Intrusion Sensor No. 3 connector.
Disconnect the Security System Module C2 connector.
Measure the resistance of the Intrusion Sensor 3 Signal circuit between the SSM C2
connector and the Intrusion Sensor No 3 connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 7
No
→ Repair the Intrusion Sensor 3 Signal wire for an open.
Perform BODY VERIFICATION TEST - VER 1.
7
Disconnect the Intrusion Sensor No. 3 connector.
Disconnect the Security System Module C2 connector.
Measure the resistance between ground and the Intrusion Sensor Interface circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Intrusion Sensor Interface circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 8
8
Disconnect the Intrusion Sensor No. 3 connector.
Disconnect the Security System Module C2 connector.
Measure the resistance of the Intrusion Sensor Interface circuit between the SSM C2
connector and the Intrusion Sensor No. 3 connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Intrusion Sensor.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Intrusion Sensor Interface circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
227
VEHICLE THEFT/SECURITY
INTRUSION SENSOR 3 CIRCUIT OPEN/SHORT TO GROUND —
Continued
Symptom:
INTRUSION SENSOR 3 GROUND CIRCUIT OPEN
When Monitored and Set Condition:
INTRUSION SENSOR 3 GROUND CIRCUIT OPEN
When Monitored:
Whenever the battery voltage is above 10.0 volts and the Security
System Module is connected.
Set Condition:
The Security System Module detects the incorrect voltage on the Intrusion
Sensor circuit.
POSSIBLE CAUSES
DTC PRESENT
GROUND CIRCUIT OPEN
INTRUSION SENSOR
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, record and erase DTC’s.
Remove the ignition key.
Close and lock all doors and set the Vehicle Theft Security System.
Wait 1 minute.
Disarm the Vehicle Theft System.
With the DRBIII
t, read DTC’s.
Does the DRBIII
t display the same DTC?
All
Yes
→ Go To 2
No
→ Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2
Disconnect the Intrusion Sensor No. 3 connector.
Measure the resistance of the Ground circuit at the Intrusion Sensor connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Intrusion Sensor.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
228
VEHICLE THEFT/SECURITY
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст