B2304-WIPER PARK SWITCH INPUT CIRCUIT LOW (STUCK LOW)For a complete wiring diagram Refer to Section 8W.When Monitored:With the ignition on.Set Condition:The Totally Integrated Power Module (TIPM) detects a short to ground on the Wiper Park Switch Sense circuit.
Possible Causes(W7) WIPER PARK SWITCH SENSE CIRCUIT SHORT TO GROUNDFRONT WIPER MOTORTOTALLY INTEGRATED POWER MODULE
Diagnostic Test1.INTERMITTENT CONDITIONTurn the ignition on.With the scan tool, clear all DTC's.Cycle the Wiper Switch on and off 3 times.With the scan tool, read DTC's.Does the scan tool display this DTC as active?YesGo To 2NoThe condition that caused this symptom is currently not present. 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. Repair as necessary.Perform the BODY VERIFICATION TEST — VER 1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)2.FRONT WIPER MOTORTurn the ignition off.Disconnect the Front Wiper Motor harness connector.Turn the ignition on.Wait 30 seconds.With the scan tool, read the Front Wiper Park Switch Sense.Does the Front Wiper Park Switch Sense display: False? Yes Replace the Front Wiper Motor in accordance with the Service Information.Perform the BODY VERIFICATION TEST — VER 1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)No Go To 33. CHECK (W7) WIPER PARK SWITCH SENSE CIRCUIT FOR A SHORT TO GROUNDTurn the ignition off.Disconnect the TIPM C7 harness connector.Measure the resistance between ground and the (W7) Wiper Park Sense Circuit.Is the resistance above 10k ohms?YesReplace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.Perform the BODY VERIFICATION TEST — VER 1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)NoRepair the (W7) Wiper Park Switch Sense circuit for a short to ground.Perform the BODY VERIFICATION TEST — VER 1.(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)