Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Scan Tool Data Definitions
- Front Washer Motor Input
-
The scan tool displays On/Off. This input displays On when the front washer spray is on.
- Front Wiper Relay Cmd.
-
The scan tool displays On/Off. The body control module will indicate if it is commanding the front wiper relay On or Off.
- Front Wiper Relay Fdbk.
-
The scan tool displays High/Low. This input to the BCM displays the state of the front wiper relay feedback circuit. Low is displayed when the BCM is providing a ground to the front wiper relay control circuit.
- Front Wiper Switch
-
The scan tool displays On/Off. This input displays On when the front wipers are on.
- Rear Washer Motor Input
-
The scan tool displays On/Off. This input displays On when the rear washer spray is on.
- Rear Wiper Relay Cmd.
-
The scan tool displays On/Off. The body control module will indicate if it is commanding the rear wiper relay On or Off.
- Rear Wiper Relay Fdbk.
-
The scan tool displays High/Low. This input to the BCM displays the state of the rear wiper relay feedback circuit. Low is displayed when the BCM is providing a ground to the rear wiper relay control circuit.
- Rear Wiper Switch
-
The scan tool displays On/Off. This input displays On when the rear wipers are on.
- Wiper Delay 1
-
The scan tool displays Yes/No. This input to the body control module displays the state of the wiper delay switch.
- Wiper Delay 2
-
The scan tool displays Yes/No. This input to the body control module displays the state of the wiper delay switch.
- Wiper Delay 3
-
The scan tool displays Yes/No. This input to the body control module displays the state of the wiper delay switch.
- Wiper Delay Input
-
The scan tool displays volts. This input displays the voltage supplied to the body control module.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.