Diagnostic Test

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
NOTE:
The PTCM will only set this fault code when the top operation times out. Maximum timeout is 30 seconds.

NOTE:
If this DTC is active, and the Motor/Pump is operating with limited or no Power Top movement, the most likely cause is a malfunctioning Motor/Pump or Power Top cables.
1. Turn the ignition on.
2. With the scan tool, record and erase all PTCM DTCs.
3. Try to operate the Power Top Switch in the open direction for a minimum of 30 seconds.
4. Try to operate the Power Top Switch in the closed direction for a minimum of 30 seconds.
5. With the scan tool, read all PTCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 2
  No
  - The condition that caused this symptom is currently not present. With the scan tool, check the Environmental Data to help identify the conditions in which the DTC was set. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CONVERTIBLE TOP RETRACTED SENSOR

Fig 1: Checking Convertible Top Retracted Signal Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Convertible Top Retracted Sensor connector.
3. Connect a jumper wire between the (Q988) Convertible Top Retracted Signal circuit and the (Q989) Convertible Top Retracted Return circuit in the Convertible Top Retracted Sensor.
4. Turn the ignition on and wait 30 seconds.
5. With the scan tool read all active PTCM DTCs
  Does the scan tool display: B18D2-CONVERTIBLE TOP RETRACTED POSITION SENSOR CIRCUIT LOW?
  
  Yes
  - Replace the Convertible Top Retracted Sensor in accordance with service information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
(Q988) CONVERTIBLE TOP RETRACTED SIGNAL CIRCUIT SHORTED TO VOLTAGE

Fig 2: Checking Convertible Top Retracted Sensor For Short To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Remove the jumper that was installed in the previous step.
3. Disconnect the PTCM C1 harness connector.
4. Turn the ignition on.
5. Measure the voltage of the (Q988) Convertible Top Retracted Signal circuit in the Convertible Top Retracted Sensor harness connector.
  Is there any voltage present?
  
  Yes
  - Repair the (Q988) Convertible Top Retracted Signal circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 4
(Q988) CONVERTIBLE TOP RETRACTED SIGNAL CIRCUIT OPEN

Fig 3: Checking Convertible Top Retracted Signal Circuit For Open
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Measure the resistance of the (Q988) Top Retracted Position Signal circuit between the PTCM C1 harness connector and the Convertible Top Retracted Sensor harness connector.
  Is the resistance below 5.0 Ohms?
  
  No
  - Repair the (Q988) Convertible Top Retracted Signal circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  Yes
  - Go To 5
(Q989) CONVERTIBLE TOP RETRACTED RETURN CIRCUIT SHORTED TO VOLTAGE

Fig 4: Checking Convertible Top Retracted Return Circuit For Short To Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition on.
2. Measure the voltage of the (Q989) Convertible Top Retracted Return circuit in the Convertible Top Retracted Sensor harness connector.
  Is there any voltage present?
  
  Yes
  - Repair the (Q989) Convertible Top Retracted Return circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 6
(Q989) CONVERTIBLE TOP RETRACTED RETURN CIRCUIT OPEN

Fig 5: Checking Convertible Top Retracted Return Circuit For Open
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Measure the resistance of the (Q989) Convertible Top Retracted Return circuit between the PTCM C1 harness connector and the Convertible Top Retracted Sensor harness connector.
  Is the resistance below 5.0 Ohms?
  
  No
  - Repair the (Q989) Top Retracted Position Return circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  Yes
  - Replace the Power Top Control Module (PTCM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .