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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 ((Driver Door Module (DDM) (DMFL) - Electrical Diagnostics)) >> DTC Troubleshooting >> B164A-11-Driver Mirror Signal Lamp Control - Circuit Short To Ground >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. TEST FOR INTERMITTENT CONDITION 
    1. Turn the ignition on.
    2. With the scan tool, record and erase DTC's.
    3. Turn the turn signal on.
    4. Turn the puddle lamps on, if equipped with puddle lamp mirror.
    5. Turn the rear defogger on, if equipped with heated mirror.
    6. Press and release the Mirror Select switch to select the Driver Outside Rearview Mirror.
    7. Operate the Mirror Adjust switch in all directions several times while monitoring the scan tool for DTC's.
      NOTE:

      After adjusting the mirror in one direction wait at least two seconds before adjusting the mirror in the opposite direction, as this will allow time for an active fault to set if present.

      Does the scan tool display B164A-11-DRIVER MIRROR SIGNAL LAMP CONTROL - CIRCUIT SHORT TO GROUND?

      Yes 

      • Go To  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. For vehicle's equipped with folding outside rearview mirrors, repeat test with mirror folded. If DTC is now active, go to  2.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. CHECK (P501) DRIVER MIRROR TURN SIGNAL DRIVER CIRCUIT FOR A SHORT TO GROUND 
    Fig 1: Checking Driver Mirror Turn Signal Driver Circuit For A Short To Ground
    GC0090018Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Driver Outside Rearview Mirror C2 (Component Side) harness connector from the Door Module.
    3. Measure the resistance between ground and the (P501) Driver Mirror Turn Signal Driver circuit.

      Is the resistance below 10K Ohms?

      Yes 

      • Repair the short to ground in the (P501) Driver Mirror Turn Signal Driver circuit. If the wiring harness and harness connector are okay, replace the Driver Outside Rearview Mirror in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3.
  3. CHECK (P501) DRIVER MIRROR TURN SIGNAL DRIVER CIRCUIT FOR A SHORT TO THE (P71) DRIVER MIRROR VERTICAL DRIVER CIRCUIT, (P73) DRIVER MIRROR COMMON DRIVER CIRCUIT, OR TO THE (P75) DRIVER MIRROR HORIZONTAL DRIVER CIRCUIT 
    Fig 2: Checking Driver Mirror Turn Signal Driver Circuit For A Short To Other Circuits
    GC0090019Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between the (P501) Driver Mirror Turn Signal Driver circuit and the (P71) Driver Mirror Vertical Driver circuit in the Driver Outside Rearview Mirror C2 (Component Side) harness connector.
    2. Measure the resistance between the (P501) Driver Mirror Turn Signal Driver circuit and the (P73) Driver Mirror Common Driver circuit in the Driver Outside Rearview Mirror C2 (Component Side) harness connector.
    3. Measure the resistance between the (P501) Driver Mirror Turn Signal Driver circuit and the (P75) Driver Mirror Horizontal Driver circuit in the Driver Outside Rearview Mirror C2 (Component Side) harness connector.

      Is the resistance below 10K Ohms for any measurement?

      Yes 

      • Repair all circuits with a resistance below 10K Ohms for a short to the (P501) Driver Mirror Turn Signal Driver circuit. If the wiring harness and harness connector are okay, replace the Driver Outside Rearview Mirror in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No, with Heated Mirror 

      • Go To  4.

      No, without Heated Mirror 

      • Go To  5.
  4. CHECK (P501) DRIVER MIRROR TURN SIGNAL DRIVER CIRCUIT FOR A SHORT TO THE (C160) DRIVER MIRROR HEATER RETURN CIRCUIT 
    Fig 3: Checking Driver Mirror Turn Signal Driver Circuit For A Short To The Driver Mirror Heater Return Circuit
    GC0090020Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between the (P501) Driver Mirror Turn Signal Driver circuit and the (C160) Driver Mirror Heater Return circuit in the Driver Outside Rearview Mirror C2 (Component Side) harness connector.

      Is the resistance below 10K Ohms?

      Yes 

      • Repair the (P501) Driver Mirror Turn Signal Driver circuit for a short to the (C160) Driver Mirror Heater Return circuit. If the wiring harness and harness connector are okay, replace the Driver Outside Rearview Mirror in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  5.
  5. CHECK (P501) DRIVER MIRROR TURN SIGNAL DRIVER CIRCUIT FOR A SHORT TO THE (P593) DRIVER MIRROR TURN SIGNAL RETURN CIRCUIT 
    Fig 4: Checking Driver Mirror Turn Signal Driver Circuit For A Short To The Driver Mirror Turn Signal Return Circuit
    GC0090021Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The Ohmmeter positive lead must be connected to the (P593) Driver Mirror Turn Signal Return circuit and the negative lead to the (P501) Driver Mirror Turn Signal Driver circuit for the test results to be valid.

    1. Measure the resistance between the (P501) Driver Mirror Turn Signal Driver circuit and the (P593) Driver Mirror Turn Signal Return circuit in the Driver Outside Rearview Mirror C2 (Component Side) harness connector.

      Is there any resistance present?

      Yes 

      • Repair the (P501) Driver Mirror Turn Signal Driver circuit for a short to the (P593) Driver Mirror Turn Signal Return circuit. If the wiring harness and harness connector are okay, replace the Driver Outside Rearview Mirror in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  6.
  6. CHECK (P501) DRIVER MIRROR TURN SIGNAL DRIVER CIRCUIT FOR A SHORT TO THE (P69) DRIVER MIRROR SENSOR GROUND CIRCUIT 
    Fig 5: Checking Driver Mirror Turn Signal Driver Circuit For A Short To The Driver Mirror Sensor Ground Circuit
    GC0090022Courtesy of CHRYSLER GROUP, LLC
    1. Disconnect the Driver Outside Rearview Mirror C1 (Component Side) harness connector from the Door Module.
    2. Measure the resistance between the (P501) Driver Mirror Turn Signal Driver circuit and the (P69) Driver Mirror Sensor Ground circuit in the Driver Outside Rearview Mirror C2 and C1 (Component Side) harness connectors.

      Is the resistance below 10K Ohms?

      Yes 

      • Repair the (P501) Driver Mirror Turn Signal Driver circuit for a short to the (P69) Driver Mirror Sensor Ground circuit. If the wiring harness and harness connector are okay, replace the Driver Outside Rearview Mirror in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No, with Puddle Lamp Mirror 

      • Go To  7.

      No, without Puddle Lamp Mirror 

      • Inspect the wiring harness and harness connectors for damage and repair as necessary. If the wiring harness and harness connectors are okay, replace the Door Module in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  7. CHECK (P501) DRIVER MIRROR TURN SIGNAL DRIVER CIRCUIT FOR A SHORT TO THE (P591) DRIVER PUDDLE LAMP RETURN CIRCUIT 
    Fig 6: Checking Driver Mirror Turn Signal Driver Circuit For A Short To The Driver Puddle Lamp Return Circuit
    GC0090023Courtesy of CHRYSLER GROUP, LLC
    1. Measure the resistance between the (P501) Driver Mirror Turn Signal Driver circuit and the (P591) Driver Puddle Lamp Return circuit in the Driver Outside Rearview Mirror C2 and C1 (Component Side) harness connectors.

      Is the resistance below 10K Ohms?

      Yes 

      • Repair the (P501) Driver Mirror Turn Signal Driver circuit for a short to the (P591) Driver Puddle Lamp Return circuit. If the wiring harness and harness connector are okay, replace the Driver Outside Rearview Mirror in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Inspect the wiring harness and harness connectors for damage and repair as necessary. If the wiring harness and harness connectors are okay, replace the Door Module in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
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