B2323

B2323-HEADLAMP WASHER MOTOR CONTROL CIRCUIT LOW







- When Monitored:
With the Headlamp Washers activated.

- Set Condition:
When the Totally Integrated Power Module (TIPM) detects an shorted low condition.





1. INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all DTCs.
3. Turn the Headlamp Washers on.
4. With the scan tool read DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 2

No

- The 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. Body Verification Test.

2. (W28) HEADLAMP WASHER RELAY SUPPLY CIRCUIT OPEN





NOTE: Check all fuses and circuit breakers before proceeding with the diagnosis of this DTC.

1. Turn the ignition off.
2. Remove the Headlamp Washer relay.
3. Turn the ignition on.
4. Measure the voltage on the (W28) Headlamp Washer Relay Supply circuit at the Headlamp Washer relay.

Is the voltage above 10.0 volts?

Yes

- Go To 3

No

- Repair the (W28) Headlamp Washer Relay Supply circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. HEADLAMP WASHER RELAY
1. Turn the ignition off.
2. Replace the Headlamp Washer relay with a known good relay.
3. Turn the ignition on.
4. With the scan tool, clear all DTCs.
5. Activate the Headlamp Washers.
6. With the scan tool, read the DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 4

No

- Replace the Headlamp Washer relay.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

4. (W24) HEADLAMP WASHER RELAY CONTROL CIRCUIT SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the TIPM C3 Connector.
3. Measure the resistance to ground of the (W24) Headlamp Washer Relay Control circuit.

Is the resistance below 5.0 Ohms?

Yes

- Repair the (W24) Headlamp Washer Relay Control circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Totally Integrated Power Module (TIPM).
- Perform the BODY VERIFICATION TEST. Body Verification Test.