B1855

B1855 - Driver Window Control Circuit High

For a complete wiring diagram, refer to.






• When Monitored: Whenever the window motor is operating.

• Set Condition: The driver window UP circuit does not change from high to low during a window movement command.






Test Step 1 - Test for an Intermittent Condition

• Turn the ignition ON.

• With the scan tool, erase all DTCs.

• Try to operate the driver window up and down several times.

• Wait 30 seconds.

• With the scan tool, check for DTCs.

Does the scan tool display B1855 - Driver Window Control Circuit High?

Yes

• Go to Test Step 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. Refer to => Non-DTC Based Diagnostics. Body Interior

Test Step 2 - Window Motor Short






• With the scan tool, erase DTCs.

• Turn the ignition OFF.

• Disconnect the driver window motor connector.

• Turn the ignition ON.

• Operate the driver window switch up and down several times.

• With the scan tool, check for DTCs.

Does the scan tool display B1855 - Driver Window Motor Control Circuit High?

Yes

• Go to Test Step 3

No

• Replace the driver window motor.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

Test Step 3 - Driver Window Up Circuit Short to Voltage






• Turn the ignition OFF.

• Disconnect the driver door module C4 harness connector.

• Turn the ignition ON.

• Measure the voltage between ground and the driver window up circuit.

Is there any voltage present?

Yes

• Repair the circuit for a short to voltage.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

• Go to Test Step 4

Test Step 4 - Driver Window Down Circuit Short to Voltage






• Turn the ignition ON.

• Measure the voltage of the driver window motor down circuit.

Is there any voltage present?

Yes

• Repair the circuit for a short to voltage.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

• Replace the driver door module.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior