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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 786 (Exterior Trim And Ornamentation) >> Diagnosis And Testing >> Power Running Board (PRB) >> Pinpoint Tests >> PINPOINT TEST D : DTCs B1167, B1168, B1175, B1178, B116B, B116D, B116C and B116E >> PINPOINT TEST D : DTCs B1167, B1168, B1175, B1178, B116B, B116D, B116C and B116E

PINPOINT TEST D : DTCs B1167, B1168, B1175, B1178, B116B, B116D, B116C and B116E

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  1. D1 CHECK FOR A SHORT TO VOLTAGE IN THE HALL-EFFECT SENSOR SIGNAL, DEPLOY OR STOW CIRCUIT

    • Ignition OFF.
    • Disconnect: PRB Module C3313A.
    • Disconnect: PRB Module C3313B.
    • Ignition ON.
    • For DTC B1167, B1168, B116B or B116D, measure the voltage between LH PRB motor C3185-5 , circuit VPR43 (GY), harness side and ground; and between LH PRB motor C3185-1 , circuit CPR41 (BU/WH), harness side and ground; and between C3185-3 , circuit CPR42 (WH), harness side and ground.
    1. GFD137227Courtesy of FORD MOTOR COMPANY
    • For DTC B1175, B1178, B116C or B116E, measure the voltage between RH PRB motor C3186-5 , circuit VPR46 (GY/OG), harness side and ground; and between RH PRB motor C3186-1 , circuit CPR44 (BN/WH), harness side and ground; and between C3186-3 , circuit CPR45 (VT/GY), harness side and ground.

    Is any voltage present? 

    Yes  REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
    No  GO to  D2.

  2. D2 CHECK FOR A SHORT TO GROUND IN THE HALL-EFFECT SENSOR SIGNAL, DEPLOY OR STOW CIRCUIT

    • Ignition OFF.
    • For DTC B1167, B1168, B116B or B116D, measure the resistance between LH PRB motor C3185-5 , circuit VPR43 (GY/BU), harness side and ground; and between LH PRB motor C3185-1 , circuit CPR41 (BU/WH), harness side and ground; and between C3185-3 , circuit CPR42 (WH), harness side and ground.
    1. GFD137228Courtesy of FORD MOTOR COMPANY
    • For DTC B1175, B1178, B116C or B116E, measure the resistance between RH PRB motor C3186-5 , circuit VPR46 (GY), harness side and ground; and between RH PRB motor C3186-1 , circuit CPR44 (BN/WH), harness side and ground; and between C3186-3 , circuit CPR45 (VT/GY), harness side and ground.

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  D3.
    No  REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.

  3. D3 CHECK FOR AN OPEN IN THE HALL-EFFECT SENSOR SIGNAL, DEPLOY OR STOW CIRCUIT

    • Ignition OFF.
    • For DTC B1167, B1168, B116B or B116D, measure the resistances between PRB module C3313A or C3313B , harness side and LH PRB motor C3185 , harness side using the following chart:
      LH Motor Connector Circuit PRB Module Connector
      C3185-5 VPR43 (GY/BU) C3313B-9
      C3185-1 CPR41 (BU/WH) C3313A-1
      C3185-3 CPR42 (WH) C3313A-2
    1. GFD137229Courtesy of FORD MOTOR COMPANY
    • For DTC B1175, B1178, B116C or B116E, measure the resistances between PRB module C3313A or C3313B , harness side and RH PRB motor C3186 , harness side using the following chart:
      RH Motor Connector Circuit PRB Module Connector
      C3186-5 VPR46 (GY) C3313B-10
      C3186-1 CPR44 (BN/WH) C3313A-4
      C3186-3 CPR45 (VT/GY) C3313A-3
    1. GFD137231Courtesy of FORD MOTOR COMPANY

    Is the resistance less than 5 ohms? 

    Yes  GO to  D4.
    No  REPAIR the circuit(s). CLEAR the DTCs. REPEAT the self-test.

  4. D4 CHECK FOR A SHORT BETWEEN THE STOW AND DEPLOY CIRCUITS

    • For DTC B1167, B1168, B116B or B116D, measure the resistance between LH PRB motor C3185-1 , circuit CPR41 (BU/WH), harness side and C3185-3 , circuit CPR42 (WH), harness side.
    1. GFD137230Courtesy of FORD MOTOR COMPANY
    • For DTC B1175, B1178, B116C or B116E, measure the resistance between RH PRB motor C3186-1 , circuit CPR44 (BN/WH), harness side and C3186-3 , circuit CPR45 (VT/GY), harness side.

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  D5.
    No  REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.

  5. D5 CHECK THE PRB MOTOR FOR AN OPEN CIRCUIT

    NOTE: The running board motor(s) has approximately 0.42 ohms of resistance at 20°C (68°F). The running board motor(s) should not show an open circuit (no continuity) when measured with a DMM. 

    • For DTC B1167, B1168, B116B or B116D, measure the resistance between LH PRB motor C3185-1 , circuit CPR41 (BU/WH), component side and C3185-3 , circuit CPR42 (WH), component side.
    1. GFD137232Courtesy of FORD MOTOR COMPANY
    • For DTC B1175, B1178, B116C or B116E, measure the resistance between RH PRB motor C3186-1 , circuit CPR44 (BN/WH), component side and C3186-3 , circuit CPR45 (VT/GY), component side.

    Is any continuity present? 

    Yes  GO to  D6.
    No  INSTALL a new PRB motor. REFER to Power Running Board (PRB) Motor . CLEAR the DTCs. REPEAT the self-test.

  6. D6 CHECK THE PRB MOTOR FOR A SHORT TO GROUND

    • For DTC B1167, B1168, B116B or B116D, measure the resistance between LH PRB motor C3185-1 , circuit CPR 42 (WH), component side and ground.
    1. GFD137233Courtesy of FORD MOTOR COMPANY
    • For DTC B1175, B1178, B116C or B116E, measure the resistance between RH motor C3186-1 , circuit CPR45 (VT/GY), component side and ground.

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  D7.
    No  INSTALL a new PRB motor. REFER to Power Running Board (PRB) Motor . CLEAR the DTCs. REPEAT the self-test.

  7. D7 CHECK THE PRB MODULE FOR CORRECT OPERATION

    • Connect: PRB LH Motor C3185.
    • Connect: PRB RH Motor C3186.
    • Visually inspect all PRB module connectors.
    • Check for:
      • corrosion.
      • pushed-out pins.
    • Connect all PRB module connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.

    Is the concern still present? 

    Yes  INSTALL a new PRB module. REFER to Power Running Board (PRB) Module . CLEAR the DTCs. REPEAT the self-test.
    No  The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
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