Pinpoint Test

VERIFY THE CUSTOMER CONCERN
1. Ignition ON.
2. Verify there is an observable symptom present.
  Is an observable symptom present?
  - Yes: GO to 2 .
  - No : The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
CHECK THE COMMUNICATION NETWORK
1. Ignition ON.
2. Using a scan tool, perform the network test.
  Does the BCM pass the network test?
  - Yes : GO to 3 .
  - No : REFER to DIAGNOSTIC ROUTINE I : The Body Control Module (BCM) Does Not Respond To The Scan Tool.
RETRIEVE THE RECORDED DTCs FROM THE BCM SELF-TEST
1. Using a scan tool, perform BCM self-test.
2. Check for recorded DTCs from the BCM self-test.
  Is DTC U3003:16 or DTC U3003:17 recorded?
  - Yes : REFER to DIAGNOSTIC ROUTINE H : DTC U3003:16.
    REFER to DIAGNOSTIC ROUTINE I : DTC U3003:17.
  - No : GO to 4 .
RETRIEVE THE RECORDED DTCs FROM THE HVAC MODULE SELF-TEST
1. Using a scan tool, perform HVAC Module self-test.
2. Check for recorded DTCs from the HVAC module self-test.
  Is DTC U3003:16 or DTC U3003:17 recorded?
  - Yes : REFER to Diagnostic Routine F : U3003:16, U3003:17.
  - No : GO to 5 .
RECHECK THE HVAC MODULE DTCs
NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during the PMI or the PMI may not have been carried out.
1. Clear the DTCs .
2. Wait 10 seconds.
3. Using a scan tool, repeat the HVAC module self-test.
  Is DTC U0140:00 still present?
  - Yes: If the vehicle is equipped with a DSM GO to 6 . Otherwise GO to 7
  - No : The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
CHECK FOR DTC U0140:00 SET IN OTHER MODULES
1. Clear all DTCs .
2. Ignition OFF.
3. Ignition ON.
4. Wait 10 seconds.
5. Using a scan tool, perform a self-test.
6. Retrieve the continuous memory DTCs from all modules.
  Is DTC U0140:00 set in the DSM?
  - Yes: GO to 7 .
  - No : GO to 8.
CHECK FOR CORRECT BCM OPERATION
1. Ignition OFF.
2. Disconnect and inspect all BCM connectors.
3. Repair:
  - corrosion (install new connector or terminals - clean module pins)
  - damaged or bent pins - install new terminals/pins
  - pushed-out pins - install new pins as necessary
4. Reconnect the BCM connectors. Make sure they seat and latch correctly.
5. Operate the system and determine if the concern is still present.
  Is the concern still present?
  - Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM:
    REFER to BODY CONTROL MODULE (BCM) - WITHOUT INTELLIGENT ACCESS (IA) , or
    
    REFER to BODY CONTROL MODULE (BCM) - WITH INTELLIGENT ACCESS (IA) .
  - No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
CHECK FOR CORRECT HVAC MODULE OPERATION
1. Ignition OFF.
2. Disconnect and inspect all HVAC module connectors.
3. Repair:
  - corrosion (install new connector or terminals - clean module pins)
  - damaged or bent pins - install new terminals/pins
  - pushed-out pins - install new pins as necessary
4. Reconnect the HVAC module connectors. Make sure they seat and latch correctly.
5. Operate the system and determine if the concern is still present.
  Is the concern still present?
  - Yes: CHECK OASIS for any applicable TSBs . If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new HVAC module. REFER to Heating Ventilation Air Conditioning (HVAC) Module .
  - No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.