Dodge Sprinter. Manual — part 438
NOTES
8
7.0
DIAGNOSTIC INFORMATION AND
PROCEDURES
9
Symptom List:
ANTI-LOCK BRAKE MODULE INTERNAL
CAB INTERNAL
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be ANTI-LOCK BRAKE MODULE
INTERNAL.
When Monitored and Set Condition:
ANTI-LOCK BRAKE MODULE INTERNAL
When Monitored:
Ignition On - Continuously.
Set Condition:
When there is a deviation from the expected result of a CAB internal self
check.
CAB INTERNAL
When Monitored:
Ignition On - Continuously.
Set Condition:
When there is a deviation from the expected result of a CAB internal self
check.
POSSIBLE CAUSES
INTERMITTENT CAB INTERNAL DTC
DAMAGED CAB/CAB HARNESS CONNECTOR
FUSED OPTIONAL EQUIPMENT RELAY OUTPUT CIRCUIT OPEN
FUSED B(+) CIRCUIT OPEN
GROUND CIRCUIT OPEN
ANTI-LOCK BRAKE CONTROLLER
TEST
ACTION
APPLICABILITY
1
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 this DTC reset?
All
Yes
→ Go To 2
No
→ Go To 6
10
BRAKES (CAB)
TEST
ACTION
APPLICABILITY
2
Turn the ignition off.
Disconnect the CAB harness connector.
Inspect the CAB/CAB harness connector for damage.
Is there any broken, bent, pushed out, corroded or spread terminals?
All
Yes
→ Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Turn the ignition off.
Disconnect the CAB harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the Fused Optional Equipment
Relay Output circuit at the CAB harness connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
All
Yes
→ Go To 4
No
→ Repair the Fused Optional Equipment Relay Output circuit for an
open.
Perform ABS VERIFICATION TEST - VER 1.
4
Turn the ignition off.
Disconnect the CAB harness connector.
Using a 12-volt test light connected to ground, check both Fused B(+) circuits at the
CAB harness connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
All
Yes
→ Go To 5
No
→ Repair the Fused B(+) circuit for an open.
Perform ABS VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Disconnect the CAB harness connector.
Using a 12-volt test light connected to 12-volts, check the CAB harness connector
Ground circuits.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
All
Yes
→ Replace the Controller Antilock Brake in accordance with the
Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No
→ Repair the Ground circuit for an open.
Perform ABS VERIFICATION TEST - VER 1.
11
BRAKES (CAB)
ANTI-LOCK BRAKE MODULE INTERNAL —
Continued
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