Diagnostic Test

CHARGING SYSTEM DTCS PRESENT
1. Turn the ignition on.
2. With the scan tool, read DTCs in the Powertrain Control Module (PCM).
  Are there any Charging System or related voltage DTCs present?
  
  Yes
  - Perform the appropriate Charging System DTC diagnostic procedures before continuing with this test. Refer to DTC INDEX .
  No
  - Go To 2
BATTERY
NOTE:
Make sure the Battery is in good condition. Using the Midtronics Battery Tester or an equivalent Battery tester, test the Battery before continuing.

Does the Battery pass the load test for this specific application?

Yes
- Go To 3
No
- Replace the Battery in accordance with the Service Information. Refer to BATTERY, REMOVAL .
CHECK FOR AN ACTIVE DTC
NOTE:
After erasing ACTIVE DTCs it may be necessary for the Anti-lock Brake System (ABS) Module to go to sleep before the DTCs are cleared. IF the DTC is still ACTIVE after the clear command then Turn the ignition off, disconnect the Scan Tool, close the doors and wait until all indicators on the Cluster have gone out, typically about 30 seconds.

NOTE:
This DTC must be active for the results of this test to be valid.
1. Turn the ignition on.
2. With the scan tool, read ABS DTCs and record on the repair order.
3. With the scan tool, erase the DTCs.
4. Start the engine.
5. With the scan tool, read ABS DTCs.
  Is the DTC active?
  
  Yes
  - Replace the Anti-lock Brake System (ABS) Module in accordance with the service information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), REMOVAL .
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to ABS INTERMITTENT CONDITION .