Diagnostic Test

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all TIPM DTCs.
3. Turn the Head Lamp Washers on.
4. With the scan tool, read the TIPM DTCs.
  Does the scan tool read: B2325-HEADLAMP WASHER MOTOR CONTROL CIRCUIT OPEN?
  
  Yes
  - Go to step 2
  No
  - The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
(W24) HEADLAMP WASHER RELAY CONTROL CIRCUIT SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the TIPM C3 Connector.
3. Measure the resistance of the (W24) Headlamp Washer Relay Control circuit to ground.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Repair the (W24) Headlamp Washer Relay Control circuit for a short to ground or open condition.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 3
TOTALLY INTEGRATED POWER MODULE
1. Turn the ignition off.
2. Replace the Head Lamp Washer Relay with and known good relay.
3. With the scan tool, clear all TIPM DTCs.
4. Turn the Head Lamp Washers ON then OFF.
5. With the scan tool, read the Wiper DTCs.
  Does the scan tool read: B2325-HEADLAMP WASHER MOTOR CONTROL CIRCUIT HIGH?
  
  Yes
  - Replace the Totally Integrated Power Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the Headlamp Washer Relay in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .