Inspection Procedure

1. Turn the luggage door opening switch OFF and check that the entry luggage compartment door opener function operates normally.

   OK: 

   Entry luggage compartment door opener function operates normally. 

Fig 1: Identifying Luggage Door Opening Main Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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 FUNCTION 

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 (outer) operates.

   Certification ECU: 

   CERTIFICATION ECU - ACTIVE TEST LIST
   
   

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

   OK: 

   When key is brought close to luggage compartment door, antenna (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: 

   CERTIFICATION ECU - DATA LIST
   
   

   Item	Measurement Item / Range (Display)	Normal Condition	Diagnostic Note
   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 assembly 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 COWL SIDE JUNCTION BLOCK LH (COWL SIDE JUNCTION BLOCK ECU LH) 

OK: END (CERTIFICATION ECU ASSEMBLY 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 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   U28-31 (CLG8) - U32-1 (CLG5)	Below 1 Ω
   U28-32 (CG8B) - U32-2 (CLGB)	Below 1 Ω

Fig 2: Identifying U28 ECU And U32 Antenna Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to next step 

1. Carry the key into the vehicle.
2. Replace the indoor electrical key antenna with a new one.
3. Depress the brake pedal and check that the engine switch indicator illuminates in green.

   OK: 

   Engine switch indicator illuminates in green. 

OK: END (INDOOR ELECTRICAL KEY ANTENNA IS DEFECTIVE) 

NG: REPLACE CERTIFICATION ECU ASSEMBLY