B212A-PTS DISPLAY SUPPLY VOLTAGE LOW





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    While the vehicle is in reverse for speeds less than 16km/h.

  • Set Condition:

    Park Assist Sensor Display voltage less than 8.0 volts.


Possible Causes
 
(X777) PARK ASSIST DISPLAY SUPPLY CIRCUIT SHORT TO GROUND
 
(X777) PARK ASSIST DISPLAY SUPPLY CIRCUIT SHORT TO (Z171) PARK ASSIST DISPLAY GROUND CIRCUIT
 
(X777) PARK ASSIST DISPLAY SUPPLY CIRCUIT SHORT TO (Z913) PARK ASSIST MODULE GROUND CIRCUIT
 
(X777) PARK ASSIST DISPLAY SUPPLY CIRCUIT SHORT TO (X750) PARK ASSIST SENSOR GROUND CIRCUIT
 
PARK ASSIST DISPLAY
 
PARK ASSIST MODULE
 




Diagnostic Test

1.CHECK FOR ACTIVE DTC: B212A-PTS DISPLAY SUPPLY VOLTAGE LOW








Is DTC: B212A-PTS DISPLAY SUPPLY VOLTAGE LOW active?

Yes
  • Go To 2


No
  • The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
  • Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)

2.CHECK PARK ASSIST MODULE FOR AN INTERNAL SHORT TO GROUND







Is the resistance below 10K ohms?

Yes
  • Go To 3


No

3.CHECK THE (X777) PARK ASSIST DISPLAY SUPPLY CIRCUIT FOR A SHORT TO THE (Z171) PARK ASSIST DISPLAY GROUND CIRCUIT






Is the resistance below 10K ohms?

Yes


No
  • Go To 4

4.CHECK THE (X777) PARK ASSIST DISPLAY SUPPLY CIRCUIT FOR A SHORT TO THE (Z913) PARK ASSIST MODULE GROUND CIRCUIT





Is the resistance below 10K ohms?

Yes


No
  • Go To 5

5.CHECK THE (X777) PARK ASSIST DISPLAY SUPPLY CIRCUIT FOR A SHORT TO THE (X750) PARK ASSIST SENSOR GROUND CIRCUIT





Is the resistance below 10K ohms?

Yes


No
  • Go To 6

6.CHECK THE (X777) PARK ASSIST DISPLAY SUPPLY CIRCUIT FOR A SHORT TO GROUND





Is the resistance below 10K ohms?

Yes


No