B236F WIPER MOTOR LOW SPEED CONTROL CIRCUIT OVERCURRENT

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on. Battery voltage greater than 12.0 volts.

  • Set Condition:

    An over current condition in the Front Wiper Low Speed Control Output Circuit.


Possible Causes
  
TERMINAL DAMAGE OR CORROSION
  
(W3) FRONT WIPER LOW SPEED CONTROL CIRCUIT HIGH RESISTANCE
  
(Z971) WIPER MOTOR GROUND
  
WIPER MOTOR
  
TOTALLY INTEGRATED POWER MODULE
  



Diagnostic Test

1.CHECK FOR ACTIVE DTC B236F WIPER MOTOR LOW SPEED CONTROL CIRCUIT OVERCURRENT






Does the scan tool display active DTC B236F WIPER MOTOR LOW SPEED CONTROL CIRCUIT OVERCURRENT?

Yes
  • Go To2


No
  • The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.

2.VISUAL AND PHYSICAL CONNECTOR AND TERMINAL INSPECTION



NOTE: Make sure that all in-line connectors are inspected for corrosion and/or damage.






Were any of the above conditions found?

Yes
  • Repair or replace as necessary.


No
  • Go To 3

3.(W3) FRONT WIPER LOW SPEED CONTROL OUTPUT CIRCUIT HIGH RESISTANCE





NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.



Does the test light illuminate brightly?

Yes
  • Go To 4


No

4.CHECKING WIPER OPERATION





Did the Wiper Motor operate properly?

Yes
  • Go To 6


No
  • Go To5

5.GROUND CIRCUIT OPEN



Does the test light illuminate brightly?

Yes


No

6.TOTALLY INTEGRATED POWER MODULE

NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.





Were any problems found?

Yes


No