1) Check the power window operation.
Check that all power windows are not operative.
2) Check for any interference from aftermarket electronic components such as two-way radios or lights.
Turn OFF or remove any aftermarket electronic components to ensure that there is no influence on inspections or operations.
1) Inspect the fuse.
If an abnormal condition such as a fuse blowout is found, inspect or repair the cause of the abnormal condition before replacing the fuse.
2) Inspect the power window relay function.
If a malfunction is found in the relay, replace it.
3) Inspect the driver side power window switch.
Refer to "9.Body, Cab, Accessories 9T.Glass, Windows, Mirrors front door power window switch inspection".
Replace the power window switch if a malfunction is found.
Refer to "9.Body, Cab, Accessories 9T.Glass, Windows, Mirrors front door power window switch removal".
Refer to "9.Body, Cab, Accessories 9T.Glass, Windows, Mirrors front door power window switch installation".
Refer to "9.Body, Cab, Accessories 9T.Glass, Windows, Mirrors front door power window switch setting".
1) Check that the ground point is normal.
Repair or clean any ground points that are improperly installed or significantly dirty.
2) Check that the harnesses and connectors are normal.
Inspect for the following circuits for an open circuit, short, poor connections at the connectors, and abnormal conditions such as worn or bent harnesses.
Caution
Refer to "201.General Information 14A.Service Information Guide Preliminary and post procedures".