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

WARNING: This page is about a different car, the 2013 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

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 C3185-3, circuit CPR41 (BU/WH), harness side and ground; and between C3185-1, circuit CPR42 (WH), harness side and ground.
  
  Fig 1: Checking For A Short To Voltage In Hall-Effect Sensor Signal
  Courtesy of FORD MOTOR CO.
- 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 C3186-3, circuit CPR44 (BN/WH), harness side and ground; and between C3186-1, 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.
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 C3185-3, circuit CPR41 (BU/WH), harness side and ground; and between C3185-1, circuit CPR42 (WH), harness side and ground.
  
  Fig 2: Checking For A Short To Ground In Hall-Effect Sensor Signal
  Courtesy of FORD MOTOR CO.
- 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 C3186-3, circuit CPR44 (BN/WH), harness side and ground; and between C3186-1, 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.

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 C4322A or C4322B, 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
C3185-3	CPR41 (BU/WH)	C3313A-1
C3185-1	CPR42 (WH)	C3313A-2

Fig 3: Measuring Resistance Between PRB Module C4322A/B And LH PRB Motor C3185

Courtesy of FORD MOTOR CO.

For DTC B1175, B1178, B116C or B116E, measure the resistances between PRB module C4322A or C4322B, 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
C3186-3	CPR44 (BN/WH)	C3313A-4
C3186-1	CPR45 (VT/GY)	C3313A-3

Fig 4: Measuring Resistances Between PRB Module C4322A/B And RH PRB Motor C3186

Courtesy of FORD MOTOR CO.

Is the resistance less than 5 ohms?

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

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 C3185-3, circuit CPR41 (BU/WH), harness side and C3185-1, circuit CPR42 (WH), harness side.
  
  Fig 5: Measuring Resistance Between LH PRB Motor C3185-3, Circuit CPR41 (BU/WH) And C3185-1, Circuit CPR42 (WH)
  Courtesy of FORD MOTOR CO.
- For DTC B1175, B1178, B116C or B116E, measure the resistance between RH PRB motor C3186-3, circuit CPR44 (BN/WH), harness side and C3186-1, 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.
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 C3185-3, circuit CPR41 (BU/WH), component side and C3185-1, circuit CPR42 (WH), component side.
  
  Fig 6: Measuring Resistance Between LH PRB Motor C3185-3, Circuit CPR41 (BU/WH) And C3185-1, Circuit CPR42 (WH)
  Courtesy of FORD MOTOR CO.
- For DTC B1175, B1178, B116C or B116E, measure the resistance between RH PRB motor C3186-3, circuit CPR44 (BN/WH), component side and C3186-1, 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.
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.
  
  Fig 7: Measuring Resistance Between LH PRB Motor C3185-1, Circuit CPR 42 (WH) And Ground
  Courtesy of FORD MOTOR CO.
- 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.
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.