Diagnostic Test

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR ACTIVE DTC
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go to step 2
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
BTSI SOLENOID

Fig 1: Checking BTSI Solenoid Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Shift Lever Assembly harness connector.
3. Turn the ignition on.
4. Press the brake pedal.
5. Measure the voltage of the (K321) Brake Transmission Shift Interlock Solenoid Unlock circuit.
  Does the test light illuminate brightly when the brake pedal is depressed?
  
  Yes
  - Go to step 3
  No
  - Go to step 4
BTSI SOLENOID GROUND CIRCUITS

Fig 2: Checking BTSI Solenoid Ground Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Using a test light connected to B+. Measure the resistance between ground and the Ground circuits in the Shift Lever Assembly harness connector.
  Does the test light illuminate brightly for each circuit?
  
  Yes
  - Replace the BTSI Solenoid in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Repair the appropriate ground circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
(K321) BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID UNLOCK CIRCUIT SHORTED TO VOLTAGE

Fig 3: Checking Brake Transmission Shift Interlock Solenoid Unlock Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Cluster C4 harness connector.
3. Turn the ignition on.
4. Measure the voltage of the (K321) Brake Transmission Shift Interlock Solenoid Unlock circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Repair the (K321) Brake Transmission Shift Interlock Solenoid Unlock circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 5
(K321) BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID UNLOCK CIRCUIT SHORTED TO GROUND

Fig 4: Checking Brake Transmission Shift Interlock Solenoid Unlock Circuit
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Using a test light connected to B+, measure the resistance between ground and the (K321) Brake Transmission Shift Interlock Solenoid Unlock circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Repair the (K321) Brake Transmission Shift Interlock Solenoid Unlock circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 6
(K321) BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID UNLOCK CIRCUIT OPEN

Fig 5: Checking Brake Transmission Shift Interlock Solenoid Unlock Circuit
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (K321) Brake Transmission Shift Interlock Solenoid Unlock circuit.
  Is the resistance above 10K Ohms?
  
  Yes
  - Repair the (K321) Brake Transmission Shift Interlock Solenoid Unlock circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the Cluster in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .