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Home >> Chrysler >> 2021 >> Voyager LX, Gas >> Repair and Diagnosis >> Accessories & Equipment >> Accessories Control Systems >> (Rear Left Door Module (DMRL) - Electrical Diagnostics) >> DTC Troubleshooting >> B19EE-12 Power Sliding Door Latch Control 1-Circuit Short To Battery >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
    3. Erase DTC's.
    4. Turn the ignition off, wait 10 seconds, then turn the ignition on.
    5. Operate the left power sliding door several times if possible.
    6. With the scan tool, read the DMRL DTCs.

      Is the DTC active?

      Yes 

      • Go To  2

      No 

  2. CHECK FOR (Q47) LEFT CINCH/RELEASE MOTOR LATCH DRIVER SHORT TO THE (Q49) LEFT CINCH/RELEASE MOTOR UNLATCH DRIVER 
    1. Turn the ignition off.
    2. Remove the Left Door Module Assembly in accordance with service information.
    3. Set the Left Door Module Assembly on the vehicle floor.
    4. Reconnect the Y705 In-line (Wire Track) connector.
    5. Disconnect the Left Rear Door Latch C1 (Motor) harness connector.
    6. Disconnect the Left Rear Door Module C3 harness connector.
    7. Check for continuity between the (Q47) Left Cinch/Release Motor Latch Driver circuit and the (Q49) Left Cinch/Release Motor Unlatch Driver circuit at the Left Rear Door Module C3 harness connector.
    8. Wiggle the harness and check for an intermittent short circuit condition.

      Is there continuity between the (Q47) Left Cinch/Release Motor Latch Driver circuit and the (Q49) Left Cinch/Release Motor Unlatch Driver circuit?

      Yes 

      • Repair the (Q47) Left Cinch/Release Motor Latch Driver circuit for a short to the (Q49) Left Cinch/Release Motor Unlatch Driver circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. CHECK THE (Q47) LEFT CINCH/RELEASE MOTOR LATCH DRIVER CIRCUIT FOR A SHORT TO VOLTAGE 
    1. Reconnect the Left Rear Door Module C3 connector.
    2. Turn the ignition on.
    3. Measure the voltage on the (Q47) Left Cinch/Release Motor Latch Driver circuit at the Left Rear Door Latch C1 harness connector.
    4. Wiggle the harness and check for an intermittent short circuit condition.

      Is the voltage above 8.0 volts?

      Yes 

      • Repair the (Q47) Left Cinch/Release Motor Latch Driver circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  4
  4. CHECK THE (Q49) LEFT CINCH/RELEASE MOTOR UNLATCH DRIVER CIRCUIT FOR A SHORT TO VOLTAGE 
    1. Measure the voltage on the (Q49) Left Cinch/Release Motor Unlatch Driver circuit at the Left Rear Door Latch C1 harness connector.
    2. Wiggle the harness and check for an intermittent short circuit condition.

      Is the voltage above 8.0 volts?

      Yes 

      • Repair the (Q49) Left Cinch/Release Motor Latch Driver circuit for a short to voltage.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  5
  5. CHECK THE LEFT REAR DOOR LATCH ASSEMBLY 
    1. Replace the Left Rear Door Latch Assembly or Door Latch Motor in accordance with service information. Refer to LATCH, REAR, REMOVAL AND INSTALLATION .
    2. Reconnect all Left Rear Door Module harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    3. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    4. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
    5. Erase DTC's.
    6. Turn the ignition off, wait 10 seconds, then turn the ignition on.
    7. Operate the left power sliding door several times if possible.
    8. With the scan tool, read the DMRL DTCs.

      Did the DTC return?

      Yes 

      • Go To  6

      No 

  6. CHECK RELATED HARNESS CONNECTIONS 
    1. Disconnect all Left Rear Door Module harness connectors.
    2. Disconnect all related in-line harness connections (if equipped).
    3. Disconnect the related component harness connectors.
    4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
      • Proper connector installation.
      • Damaged connector locks.
      • Corrosion.
      • Other signs of water intrusion.
      • Weather seal damage (if equipped).
      • Bent terminals.
      • Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      • Terminals that have been pushed back into the connector cavity.
      • Perform a terminal drag test on each connector terminal to verify proper terminal tension.

      Repair any conditions that are found.

    5. Reconnect all Left Rear Door Module harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    6. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    7. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
    8. With the scan tool, erase DTCs.
    9. Using the recorded Vehicle Scan Report, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    10. With the scan tool, read DMRL DTCs.

      Did the DTC return?

      Yes 

      • Replace the Left Rear Door Module in accordance with the Service Information. Refer to REAR .
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

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