Diagnostic Test

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

TEST FOR INTERMITTENT CONDITION
NOTE:
Make sure the battery is fully charged and the charging system is operating properly before proceeding.
1. Turn the ignition on.
2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Turn the ignition off.
4. Start the engine and let it run.
5. Using a scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK DRIVER SEAT LED DRIVER OUTPUT CIRCUIT FOR A SHORT TO BATTERY
1. Turn the ignition off.
2. Using a 12-volt test light connected to ground, test the Driver Seat Head Driver Output circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Repair the Driver Seat Head Driver Output circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK FOR BCM MALFUNCTION
1. Using a 12-volt test light connected to ground, test the Driver Seat LED Driver Output circuit.
2. With the scan tool, actuate the Driver Heated Seat Relay.
  Does the test light illuminate brightly?
  
  Yes
  - Replace the Heated Seat Switch according to the service information. Refer to DESCRIPTION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Body Control Module (BCM) according to the service information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .