Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST BY HAND-HELD TESTER
1. Connect the hand-held tester to the DLC3.
2. Turn the ignition switch ON and push the hand-held tester main SW ON.
3. Select the item "ILLUMI OUTPUT" in the ACTIVE TEST and operate the interior lamp.
  OK: Lamp SW ON in tester - lamp lights up.
  
  NG: Go to step 11
  
  OK: Go to Next Step.
CHECK LIGHT
1. Check the condition A or B, when room lamp assy No. 1 does not light up.
  
  Fig 1: Checking Condition A Or B Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  B: Go to step 10
  
  A: Go to Next Step.
CHECK DOOR LOCK
1. Check which door lamp does not light up.
  
  Fig 2: Checking Door Lamp Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  B: Go to step 6
  
  C: Go to step 8
  
  A: Go to Next Step.
CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSY
1. Unlock the driver side door.
2. Measure voltage between terminal 16 (LSWD) of the power window regulator master switch and 2 (GND).
  Standard:
  
  Fig 3: Measuring Voltage Between Terminals LSWD & GND Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: CHECK AND REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSY
  
  OK: Go to Next Step.
CHECK FRONT DOOR W/MOTOR LOCK ASSY RH
1. Check the continuity between terminal 16 (LSWD) and 3 (KEYE) of the power window regulator master switch.
  Standard:
  
  Fig 4: Checking Continuity Between Terminals LSWD & KEYE Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: REPAIR OR REPLACE HARNESS OR CONNECTOR
  
  NG: REPLACE FRONT DOOR W/MOTOR LOCK ASSY RH
CHECK POWER WINDOW REGULATOR SWITCH ASSY
1. Unlock the driver side door.
2. Measure voltage between terminal 16 (LSWP) of the power window regulator switch and 2 (GND).
  Standard:
  
  Fig 5: Measuring Voltage Between Terminals LSWP & GND Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: CHECK AND REPLACE POWER WINDOW REGULATOR SWITCH ASSY
  
  OK: Go to Next Step.
CHECK FRONT DOOR W/MOTOR LOCK ASSY LH
1. Check the continuity between terminal 16 (LSWP) and 3 (KEYE) of the power window regulator switch.
  Standard:
  
  Fig 6: Checking Continuity Between Terminals LSWP & KEYE Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: REPAIR OR REPLACE HARNESS OR CONNECTOR
  
  NG: REPLACE FRONT DOOR W/MOTOR LOCK ASSY LH
CHECK DRIVER SIDE JUNCTION BLOCK ASSY
1. Check which door lamp does not light up.
2. Check that signal waveform appears between terminals, when unlocking the door.
  
  Fig 7: Checking Signal Waveform Appears Between Terminals Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: CHECK AND REPLACE DRIVER SIDE JUNCTION BLOCK ASSY
  
  NG: Go to Next Step.
CHECK HARNESS AND CONNECTOR (BETWEEN DRIVER SIDE J/B ASSY AND DOOR LOCK)
1. Check the continuity between terminals as shown in Fig 8 .
  Standard:
  
  Fig 8: Checking Continuity Between Rear Doors Specifications Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: REPLACE DOOR LOCK
  
  NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
CHECK DRIVER SIDE JUNCTION BLOCK ASSY
1. Measure voltage between terminal 2A-7 (ACC) and 2A-8 (GND) of driver side J/B assy.
  Standard:
  
  Fig 9: Measuring Voltage Between Terminals ACC & GND Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: CHECK AND REPLACE DRIVER SIDE JUNCTION BLOCK ASSY
  
  NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (BETWEEN IG SWITCH AND DRIVER SIDE J/B ASSY)
CHECK DRIVER SIDE JUNCTION BLOCK ASSY (ILE)
1. Measure voltage between terminals as shown in Fig 10 , when each lamp lights up.
  Standard:
  
  Fig 10: Measuring Voltage Between Terminals When Each Lamp Lights Up
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: CHECK AND REPLACE DRIVER SIDE JUNCTION BLOCK ASSY
  
  OK: Go to Next Step.
CHECK HARNESS AND CONNECTOR (BETWEEN DRIVER SIDE J/B ASSY AND LAMP)
1. Disconnect the connector of the multiplex network body ECU.
2. Check the continuity between terminals as shown in Fig 11 .
  Standard:
  
  Fig 11: Checking Continuity Between Terminals Of Lamp Assembly Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
  
  OK: Go to Next Step.
CHECK TRANSPONDER KEY AMPLIFIER (KEY CYLINDER LAMP)
1. Check the continuity between terminals of transponder key amplifier (key cylinder lamp assy).
  Standard: There is continuity.
  
  NG: REPLACE TRANSPONDER KEY AMPLIFIER
  
  OK: REPLACE ROOM LAMP ASSY NO.1