Dodge Sprinter. Manual — part 439
TEST
ACTION
APPLICABILITY
6
Turn the ignition off.
Visually inspect the related wiring harness.
Look for any chafed, pierced, pinched, or partially broken wires.
Look for broken, bent, pushed out, or corroded terminals.
Were any problems found?
All
Yes
→ Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Test Complete.
12
BRAKES (CAB)
ANTI-LOCK BRAKE MODULE INTERNAL —
Continued
Symptom:
BRAKE FLUID LEVEL
POSSIBLE CAUSES
INTERMITTENT DTC
BRAKE FLUID LEVEL SWITCH SIGNAL CIRCUIT SHORT TO GROUND
BRAKE FLUID LEVEL SWITCH
ANTI-LOCK BRAKE MODULE
TEST
ACTION
APPLICABILITY
1
NOTE: Before proceeding, verify that the brake fluid is at the proper level
in accordance with the Service Information.
Turn the ignition on.
With the DRBIII
t, read DTCs.
With the DRBIII
t, erase DTCs.
Turn the ignition off.
Turn the ignition on.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display BRAKE FLUID LEVEL?
All
Yes
→ Go To 2
No
→ Go To 4
2
NOTE: The brake fluid must be at the proper level. Verify that the brake
fluid is at the proper level in accordance with the Service Information.
Turn the ignition off.
Disconnect the Brake Fluid Level Switch harness connector.
Measure the resistance between the terminals of the Brake Fluid Level Switch.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Brake Fluid Level Switch in accordance with the
Service Information.
No
→ Go To 3
3
Turn the ignition off.
Disconnect the Brake Fluid Level Switch harness connector.
Disconnect the Instrument Cluster C2 harness connector.
Measure the resistance between ground and the Brake Fluid Level Switch signal
circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Brake Fluid Level Switch signal circuit for a short to
ground.
No
→ Replace the Antilock Brake Module in accordance with the
Service Information.
13
BRAKES (CAB)
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Visually inspect the related wiring harness.
Look for any chafed, pierced, pinched, or partially broken wires.
Look for broken, bent, pushed out, or corroded terminals.
Were any problems found?
All
Yes
→ Repair as necessary.
No
→ Test Complete.
14
BRAKES (CAB)
BRAKE FLUID LEVEL —
Continued
Symptom:
BRAKE PRESSURE SENSOR CIRCUIT
POSSIBLE CAUSES
BRAKE PRESSURE SENSOR CIRCUIT INTERMITTENT DTC
BRAKE PRESSURE SENSOR CIRCUIT SHORT TO VOLTAGE
BRAKE PRESSURE SENSOR CIRCUIT SHORT TO GROUND
BRAKE PRESSURE SENSOR CIRCUIT OPEN
BRAKE PRESSURE SENSOR
ANTI-LOCK BRAKE CONTROLLER
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Turn the ignition on.
With the DRBIII
t, read DTCs. Record DTC information.
NOTE: If a system undervoltage or overvoltage DTC is set along with this
DTC, diagnose the system voltage DTC first.
NOTE: Before continuing, make sure that the Brake Lamp switch is ad-
justed correctly and functioning properly. Adjust or replace the switch as
necessary in accordance with the Service Information.
With the DRBIII
t, erase DTCs.
Road test the vehicle and perform several braking maneuvers.
With the DRBIII
t, read DTCs.
Does this DTC reset?
All
Yes
→ Go To 2
No
→ Go To 6
2
Turn the ignition off.
Disconnect the Brake Pressure Sensor harness connector.
Disconnect the CAB harness connector.
Turn the ignition on.
Measure the voltage of the Brake Pressure Sensor signal circuit.
Measure the voltage of the Brake Pressure Sensor ground circuit.
Measure the voltage of the Brake Pressure Sensor 5 volt supply circuit.
Is there voltage present on any of the circuits?
All
Yes
→ Repair the Brake Pressure Sensor circuit(s) for a short to voltage.
No
→ Go To 3
3
Turn the ignition off.
Disconnect the Brake Pressure Sensor harness connector.
Disconnect the CAB harness connector.
Measure the resistance between ground and the Brake Pressure Sensor signal
circuit.
Measure the resistance between ground and the Brake Pressure Sensor 5 volt supply
circuit.
Is the resistance below 5.0 ohms for either circuit?
All
Yes
→ Repair the Brake Pressure Sensor circuit(s) for a short to ground.
No
→ Go To 4
15
BRAKES (CAB)
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