Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT FUSE (POWER)
1. Remove the fuse from the instrument panel J/B assy.
2. Check the continuity.
Standard: Continuity

NG: REPLACE FUSE

OK: Go To Next Step
INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSY
1. Remove the power window relay.
2. Turn the ignition switch ON.
3. Check the voltage between the J/B terminals 1 and 2.
Fig 1: Inspecting Instrument Panel Junction Block Assy
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard: 10 - 14 V

NG: REPLACE INSTRUMENT PANEL JUNCTION/BLOCK ASSY

OK: Go To Next Step
INSPECT POWER WINDOW RELAY (POWER)
1. Remove the relay from the backside of the instrument panel J/B assy.
2. Check the continuity.
Fig 3: Standard
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE POWER WINDOW RELAY

OK: Go To Next Step
CHECK WIRE HARNESS (TERMINAL B2, BW OR E)
1. Disconnect the D17 switch connector.
2. Check the voltage or continuity between each terminal of the wire harness side connector and the body ground.
Fig 4: Checking Wire Harness (Terminal B2, BW Or E)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 5: Standard
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go To Next Step
CHECK WIRE HARNESS (TERMINAL B)
1. Turn the ignition switch ON.
2. Check the voltage between terminal 6 of the wire harness side connector and the body ground.
Fig 6: Checking Wire Harness (Terminal B)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 7: Standard
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (POWER WINDOW RELAY <=> MASTER SWITCH)