Inspection Procedure

CHECK BUZZER (OPEN DOOR WARNING, RETRACTABLE HARDTOP OPERATING WARNING)
1. Check that all of the warning buzzers sound.
  
  Fig 1: Buzzer Operation Reference Table (Open Door Warning, Retractable Hardtop Operating Warning)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. B: Go to step 2
2. C: Go to step 6
3. D: GO TO RETRACTABLE HARDTOP SYSTEM
4. A: CHECK AND REPLACE COMBINATION METER ASSY
INSPECT MULTIPLEX NETWORK DOOR ECU FRONT LH
1. Check voltage.
1. Remove the driver door ECU with connector still connected.
2. Measure the voltage between terminal CTY of driver door ECU and body ground.
  Standard Voltage:
  
  Fig 2: Voltage Reference Table - Multiplex Network Door ECU, Front LH
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 3: Identifying Terminal CTY Of Driver Door ECU, Front LH
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Go to step 5
2. NG: GO TO STEP 3 .
INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY
1. Check continuity.
1. Check continuity between terminal of courtesy lamp switch assy and the bracket.
1. NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY
2. OK: GO TO STEP 4 .
CHECK HARNESS AND CONNECTOR (BETWEEN DRIVER DOOR ECU AND DOOR COURTESY SWITCH LH)
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
2. OK: CHECK AND REPLACE MULTIPLEX NETWORK DOOR ECU FRONT LH
CHECK THAT MALFUNCTION DISAPPEARS A KNOWN GOOD COMBINATION METER IS INSTALLED
1. Check that malfunction disappears when a know good combination meter is installed.
  
  Fig 4: Combination Meter Malfunction Reference Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. A: CHECK AND REPLACE MULTIPLEX NETWORK DOOR ECU FRONT LH
2. B: CHECK AND REPLACE COMBINATION METER ASSY
INSPECT MULTIPLEX NETWORK DOOR ECU FRONT RH
1. Check voltage.
1. Remove the passenger door ECU with connector still connected.
2. Measure the voltage between terminal CTY of passenger door ECU and body ground.
  Standard Voltage:
  
  Fig 5: Voltage Reference Table - Terminal CTY Of Passenger Door ECU (Front RH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 6: Identifying Terminal CTY Of Passenger Door ECU (Front RH)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Go to step 9
2. NG: GO TO STEP 7 .
INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY (PASSENGER SIDE)
1. Check continuity.
1. Check continuity between terminal of courtesy lamp switch assy and the bracket.
1. NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY
2. OK: GO TO NEXT STEP.
CHECK HARNESS AND CONNECTOR (BETWEEN PASSENGER DOOR ECU AND DOOR COURTESY SWITCH RH)
1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
2. OK: GO TO STEP 9 .
CHECK THAT MALFUNCTION DISAPPEARS A KNOWN GOOD COMBINATION METER IS INSTALLED
1. Check that malfunction disappears when a know good combination meter is installed.
  
  Fig 7: Combination Meter Malfunction Reference Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. A: CHECK AND REPLACE MULTIPLEX NETWORK DOOR ECU FRONT RH
2. B: CHECK AND REPLACE COMBINATION METER ASSY