Inspection Procedure

1. Turn the luggage door opening switch OFF and check that the entry luggage compartment door opener function operates normally.
   Fig 1: Checking Luggage Door Opening Switch Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: Entry luggage compartment door opener function operates normally. 

OK: END 

NG: GO TO Next Step 

1. Check that the manual luggage compartment door opener function operates normally.

   OK: Manual luggage compartment door opener function operates normally. 

NG:  GO TO LUGGAGE COMPARTMENT DOOR OPENER SYSTEM

OK: GO TO Next Step 

1. Check that the wireless luggage compartment door opener function operates normally.

   OK: Wireless luggage compartment door opener function operates normally 

NG:  GO TO WIRELESS DOOR LOCK CONTROL SYSTEM 

OK: GO TO Next Step 

1. After replacing the key with a normally functioning one, check that the wireless luggage compartment door opener function operates normally.

   OK: Wireless luggage compartment door opener function operates normally. 

OK: END (KEY IS DEFECTIVE) 

NG: GO TO Next Step 

1. Select the ACTIVE TEST, use the intelligent tester to generate a control command, and then check that the antenna (for outer) operates.

   Certification ECU: 

   CERTIFICATION ECU REFERENCE CHART
   
   

   Item	Test Details
   BDOOR TRNSMTTR	Luggage compartment door outer antenna ON / OFF

   OK: When key is brought close to luggage compartment door, antenna (for outer) is turned OFF and indicator on key illuminates. 

NG:  GO TO step  8

OK: GO TO Next Step 

1. Check the DATA LIST for proper functioning of the door lock switch.

   Certification ECU: 

   NORMAL CONDITION CHART
   
   

   Item	Measurement Item / Range (Display)	Normal Condition
   TRUNK KEY UNLK	Luggage compartment door lock / unlock switch / ON or OFF	ON: Luggage compartment door lock switch is pushed OFF: Luggage compartment door lock switch is not pushed

   OK: ON (luggage compartment door lock is pushed) appears on the screen. 

NG: REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY 

OK: GO TO Next Step 

1. After replacing the certification ECU with a normal one, check that the entry luggage compartment door lock functions operates normally.

   OK: Entry luggage compartment door lock function operates normally. 

NG: REPLACE MAIN BODY ECU LH 

OK: END (CERTIFICATION ECU IS DEFECTIVE) 

1. Disconnect the U28 ECU connector.
2. Disconnect the U32 antenna connector.
3. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION REFERENCE CHART
   
   

   Tester Connection	Specified Condition
   U28-31 (CLG8) - U32-1 (CLG5)	Below 1 Ω
   U28-32 (CG8B) - U32-2 (CLGB)	Below 1 Ω
   U28-31 (CLG8) or U32-1 (CLG5) -Body ground	10 kΩ or higher
   U28-32 (CG8B) or U32-2 (CLGB) -Body ground	10 kΩ or higher

Fig 2: Identifying U28 ECU And U32 Antenna Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO Next Step 

1. After replacing the luggage electrical key antenna (for outer) with a normal one, check that the luggage entry unlock functions operates normally.

   OK: Luggage entry unlock function operates normally. 

OK: END (LUGGAGE ELECTRICAL KEY ANTENNA IS DEFECTIVE [for Outer]) 

NG: REPLACE CERTIFICATION ECU