Jeep Grand Cherokee WK. Manual — part 181
C2200-ANTI-LOCK BRAKE MODULE INTERNAL (CONTINUED)
For the Anti-Lock Brake System circuit diagram. (Refer to 5 - BRAKES - SCHEMATICS AND DIAGRAMS)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
When the Anti-Lock Brake Module fails the diagnostic test.
Possible Causes
WIRING HARNESS, TERMINAL, CONNECTOR DAMAGE
FUSED B+ CIRCUIT(S) SHORTED TO GROUND, VOLTAGE, OR OPEN
GROUND CIRCUIT(S) OPEN
ANTI-LOCK BRAKE MODULE
Diagnostic Test
1.
CHECK FOR A DTC C2200-ANTI-LOCK BRAKE MODULE INTERNAL
NOTE: This DTC must be active for the results of this test to be valid.
Turn the ignition on.
With the scan tool, read and record DTCs.
With the scan tool, read and record Freeze Fame information.
With the scan tool, erase DTCs.
Cycle the ignition switch from off to on.
With the scan tool, read and record DTCs
Does the scan tool display: C2200-ANTI-LOCK BRAKE MODULE INTERNAL?
Yes
>> Go To 2
No
>> Refer to the INTERMITTENT CONDITION diagnostic procedure.
Perform ABS VERIFICATION TEST - VER 1.
2.
CHECK THE WIRING HARNESS, TERMINALS, AND CONNECTORS
Visually inspect the related wiring harness. Look for any bruised, chafed, pierced, or partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
Were any problems found?
Yes
>> Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Go To 3
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BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
WK
C2200-ANTI-LOCK BRAKE MODULE INTERNAL (CONTINUED)
3.
FUSED B+ CIRCUIT(S) OPEN OR HIGH RESISTANCE
Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Using a 12–volt test light connected to ground, check the (A107) and
(A200) Fused B+ circuits.
NOTE: The test light should be illuminated and bright. Compare
the brightness to that of a direct connection to the battery.
Is the test light illuminated and bright?
Yes
>> Go To 4
No
>> Repair the Fused B+ circuit(s) for an open circuit or high
resistance.
Perform ABS VERIFICATION TEST - VER 1.
4.
GROUND CIRCUIT OPEN OR HIGH RESISTANCE
Using a 12–volt test light connected to 12–volts, check the (Z107) and
(Z127) Ground circuits.
NOTE: The test light should be illuminated and bright. Compare
the brightness to that of a direct connection to the battery.
Is the test light illuminated and bright?
Yes
>> Replace the Anti-Lock Brake Module in accordance with
the Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Repair the Ground circuit(s) for an open circuit or high
resistance.
Perform ABS VERIFICATION TEST - VER 1.
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BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
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C2202-ORIGINAL VIN MISMATCH/MISSING
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BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
WK
C2202-ORIGINAL VIN MISMATCH/MISSING (CONTINUED)
For the Anti-Lock Brake System circuit diagram. (Refer to 5 - BRAKES - SCHEMATICS AND DIAGRAMS)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition on.
•
Set Condition:
When the Anti-Lock Brake Module fails the diagnostic test.
Possible Causes
ANTI-LOCK BRAKE MODULE
1.
ANTI-LOCK BRAKE MODULE CONFIGURATION
The Anti-lock Brake Module hardware check has determined that module configuration does not match vehicle con-
figuration. Verify that the correct module part number is installed in the vehicle.
Turn the ignition on.
With the Scan Tool, verify that the VIN stored in the controller matches the vehicle VIN.
With the Scan Tool, select Clear Stored DTCs.
Cycle the ignition off, then on.
With the Scan Tool, select View DTCs.
Does this DTC reset?
Yes
>> Replace the Anti-lock Brake Module in accordance with the Service Information.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Test complete.
Perform ABS VERIFICATION TEST - VER 1.
WK
BRAKES - BRAKE CONTROLLER ELECTRICAL DIAGNOSTICS
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