Diagnostic Test

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Operate the Mirror Switch in all directions several times.
4. Cycle the ignition from on to off 3 times.
5. Turn the ignition on.
6. With the scan tool, read DTCs.
  Does the scan tool display: B1D20-DRIVER MIRROR VERTICAL MOTOR CONTROL CIRCUIT HIGH?
  
  Yes
  - Go to step 2
  No
  - The conditions that caused this code to set are not present at this time. Using the SYSTEM WIRING DIAGRAMS as a guide, inspect the wiring and connectors.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
TEST FOR A SHORTED OUTSIDE REARVIEW MIRROR

Fig 1: Testing For A Shorted Outside Rearview Mirror
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Driver Outside Rearview Mirror connector.
3. Turn the ignition on.
4. With the scan tool, erase DTCs.
5. Operate the Mirror Switch in all directions several times.
6. Cycle the ignition from on to off 3 times.
7. Turn the ignition on.
8. With the scan tool, read DTCs.
  Does the scan tool display: B1D20-DRIVER MIRROR VERTICAL MOTOR CONTROL CIRCUIT HIGH?
  
  Yes
  - Go to step 3
  No
  - Replace the Outside Rearview Mirror in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
CHECK THE (P71) DRIVER MIRROR VERTICAL DRIVER CIRCUIT FOR A SHORT TO VOLTAGE

Fig 2: Checking Driver Mirror Vertical Driver Circuit For A Short To Voltage
Courtesy of CHRYSLER LLC
1. Disconnect the Driver Door Module C2 connector.
2. Measure the voltage of the (P71) Driver Mirror Vertical Driver circuit.
  Is the voltage above 0.2 volts?
  
  Yes
  - Repair the (P71) Driver Mirror Vertical Driver circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  No
  - Replace the Driver Door Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .