Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DTCS PRESENT
1. Ignition on, engine not running.
2. With the scan tool, select View DTCs in the ABS Module.
  Are there any ABS DTCs present?
  
  Yes
  - Refer to Diagnosis and Testing and perform the diagnostics for the DTCs in the ABS Module.
  No
  - Go To 2.
DTC IS ACTIVE
NOTE:
If C1456, C145A or C145D has set along with this DTC, diagnose those DTC(s) first before continuing.
1. Ignition on, engine not running.
2. With the scan tool, select View DTCs.
  Is the status Active for this DTC?
  
  Yes
  - Go To 3.
  No
  - Go To 5.
VERIFY SET CONDITION
NOTE:
Check with customer on driving terrain (e.g. mud, sand, snow) for set condition.
1. With the scan tool, erase DTCs.
2. Test drive vehicle on dry paved road.
3. With the scan tool, read DTCs.
  Is the status Active for this DTC?
  
  Yes
  - Go To 4.
  No
  - Test Complete.
  - Refer to Standard Procedure and perform AWD Control Module VERIFICATION TEST.
AWD CONTROL MODULE
NOTE:
Before continuing, check the AWD Control Module harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
1. Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Refer to Standard Procedure and perform AWD Control Module VERIFICATION TEST.
  No
  - Replace AWD Control Module in accordance with Service Information.
  - Refer to Standard Procedure and perform AWD Control Module VERIFICATION TEST.
CHECK THE WIRING AND CONNECTORS
1. The conditions necessary to set this DTC are not present at this time.
2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
3. Wiggle test the wiring harness and connectors while checking for shorted and open circuits.
4. Using the scan tool, monitor the data related to this circuit while performing the wiggle test. Look for the data to change or for the DTC to reset.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Refer to Standard Procedure and perform AWD Control Module VERIFICATION TEST.
  No
  - Test Complete.