Luggage Room Light does not Illuminate: Procedure

1. Using the Techstream, perform the Active Test.
   BODY NO. 4
   
   

   Tester Display	Test Part	Control Range
   Luggage Light Control	Luggage compartment room light operation	OFF - ON

   RESULT
   
   

   Result	Proceed to
   NG	A
   OK (w/o Power Trunk Lid System)	B
   OK (w/ Power Trunk Lid System)	C

B → See step   7 

C → See step   10 

A: Go to next step 

1. Check the malfunctioning luggage room light.
   RESULT
   
   

   Result	Proceed to
   No. 1 luggage compartment light	A
   No. 2 courtesy light	B

B → See step   5 

A: Go to next step 

Fig 1: Identifying S63 ECU And S34 Light Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the S63 ECU connector.
2. Disconnect the S34 light connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   S63-11 (LGLP) - S34-1	Always	Below 1 Ω
   S34-2 - Body ground	Always	Below 1 Ω
   S63-11 (LGLP) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Temporarily replace the No. 1 luggage compartment light with a new or normally functioning one. Refer to REMOVAL - Step 1 .
2. Check the No. 1 luggage compartment light operation.

   OK

   No. 1 luggage compartment light operation is normal.

NG → REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY (REAR JUNCTION BLOCK ECU) 

OK → See step   14 

Fig 2: Identifying S62 ECU And S26 Light Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the S62 ECU connector.
2. Disconnect the S26 light connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   S62-8 (LGCY) - S26-2	Always	Below 1 Ω
   S26-1 - Body ground	Always	Below 1 Ω
   S62-8 (LGCY) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Temporarily replace the No. 2 courtesy light with a new or normally functioning one. Refer to REMOVAL - Step 2 .
2. Check the No. 2 courtesy light operation.

   OK

   No. 2 courtesy light operation is normal.

NG → REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY (REAR JUNCTION BLOCK ECU) 

OK → See step   15 

1. Using the Techstream, read the Data List.
   BODY NO. 4
   
   

   Tester Display	Measurement Item/Display	Normal Condition	Diagnostic Note
   Luggage Courtesy Switch	Luggage room courtesy switch signal/ON or OFF	ON: Luggage room courtesy switch ON OFF: Luggage room courtesy switch OFF	-

   OK

   Normal conditions listed above are displayed.

NG → See step   8 

OK → REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY (REAR JUNCTION BLOCK ECU) 

Fig 3: Identifying Luggage Door Closer Assembly Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the luggage door closer. Refer to REMOVAL .
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Switch Condition	Specified Condition
   7 (CTY) - 8 (E)	Unlock	Below 1 Ω
   7 (CTY) - 8 (E)	Lock	10 kΩ or higher

NG → See step   16 

OK: Go to next step 

Fig 4: Identifying S63 ECU And S36 Closer Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the S63 ECU connector.
2. Disconnect the S36 closer connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   S63-9 (LCTY) - S36-7 (CTY)	Always	Below 1 Ω
   S63-9 (LCTY) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY (REAR JUNCTION BLOCK ECU) 

1. Using the Techstream, read the Data List.
   BACK DOOR
   
   

   Tester Display	Measurement Item/Display	Normal Condition	Diagnostic Note
   Courtesy SW	Luggage room courtesy switch signal/ON or OFF	ON: Luggage room courtesy switch ON OFF: Luggage room courtesy switch OFF	-

   OK

   Normal conditions listed above are displayed.

   RESULT:
   
   

   Result	Proceed to
   NG	A
   OK	B

B → See step   13 

A: Go to next step 

Fig 5: Identifying Luggage Door Closer Assembly Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the luggage door closer. Refer to REMOVAL .
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Switch Condition	Specified Condition
   7 (CTY) - 8 (E)	Unlock	Below 1 Ω
   7 (CTY) - 8 (E)	Lock	10 kΩ or higher

NG → See step   16 

OK: Go to next step 

Fig 6: Identifying S43 Motor And S36 Closer Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the S43 motor connector.
2. Disconnect the S36 closer connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   S43-22 (LCTY) - S36-7 (CTY)	Always	Below 1 Ω
   S43-22 (LCTY) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Temporarily replace the luggage closer motor with a new or normally functioning one.
2. Check the luggage room light operation.

   OK

   Luggage room light operation is normal.

NG → REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY (REAR JUNCTION BLOCK ECU) 

OK → REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY