Luggage Compartment Door Opener Circuit: Procedure

1. Delete the DTC.
2. Check for DTC.

   OK

   DTC B1200 is not output.

NG → GO TO MULTIPLEX COMMUNICATION SYSTEM 

OK: Go to next step 

1. Select the Active Test, use the Techstream to generate a control command, and check that the luggage compartment door lock motor operates.

   Tester Display	Test Part	Control Range	Diagnostic Note
   Trunk/Bdor Open	Operate luggage compartment door lock motor	ON/OFF	-

   OK

   Luggage compartment door lock motor operates.

OK → See step   5 

NG: Go to next step 

1. Remove the luggage compartment door lock.
   Fig 1: Inspecting Luggage Compartment Door Lock

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Move the door lock to the lock position.
3. Apply battery voltage to the door lock motor and check operation of the door lock motor.
   LUGGAGE COMPARTMENT DOOR LOCK INSPECTION
   
   

   Measurement Condition	Specified Condition
   Battery positive (+) → Terminal 1 (B) Battery negative (-) → Terminal 2 (E)	Luggage compartment door lock motor unlock

NG → REPLACE LUGGAGE COMPARTMENT DOOR LOCK 

OK: Go to next step 

1. Disconnect the Q42 lock and J74 ECU connectors.
   Fig 2: Identifying Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   Q42-1 (B)- J74-1 (TR+)	Always	Below 1 Ω
   Q42-1 (B) - Body ground	Always	10 kΩ or higher
   Q42-2 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG) and the turn the Techstream main switch on.
3. Select Trnk/Bdr Opn SW and Trunk Main SW in the Data List and read the value display on the Techstream.

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Trnk/Bdr Opn SW	Luggage door opening inner switch/ON or OFF	ON: Luggage compartment door opener inner switch is pressed OFF: Luggage compartment door opener inner switch is not pressed	-
   Trunk Main SW	Luggage door opener main switch signal/ON or OFF	ON: Luggage compartment door opener main switch is pushed ON: Luggage compartment door opener main switch is not pushed	-

   OK

   ON (luggage compartment door opener inner switch is pressed) appears on the tester.

   OK

   ON (luggage compartment door opener main switch is pressed) appears on the tester.

   RESULT
   
   

   Result	Proceed to
   NG (Luggage compartment door opener main switch)	A
   NG (Luggage compartment door opener inner switch)	B
   OK (Luggage compartment door opener main switch and Luggage compartment door opener inner switch)	C

C → REPLACE COWL SIDE JUNCTION BLOCK RH (MAIN BODY ECU RH) 

B → See step   8 

A: Go to next step 

1. Remove the luggage compartment door opener main switch.
   Fig 3: Inspecting Luggage Compartment Door Opener Main Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Switch Condition	Specified Condition
   1 - 2	Not pushed (OFF)	10 kΩ or higher
   	Pushed (ON)	Below 1 Ω

NG → REPLACE LUGGAGE COMPARTMENT DOOR MAIN OPENER SWITCH 

OK: Go to next step 

1. Install the luggage compartment door opener main switch.
2. Disconnect the J57 switch and J75 ECU connectors.
   Fig 4: Identifying Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   J57-2 - J75-2 (TSW)	Always	Below 1 Ω
   J57-2 - Body ground	Always	10 kΩ or higher
   J57-1 - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE COWL SIDE JUNCTION BLOCK RH (MAIN BODY ECU RH) 

1. Remove the luggage compartment door opener inner switch.
   Fig 5: Inspecting Luggage Compartment Door Opener Inner Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Switch Condition	Specified Condition
   5 - 6	Pushed (ON)	Below 1 Ω
   	Not pushed (OFF)	10 kΩ or higher

NG → REPLACE LUGGAGE COMPARTMENT DOOR OPENER INNER SWITCH 

OK: Go to next step 

1. Install the luggage compartment door opener inner switch.
2. Disconnect the J14 switch and J75 ECU connectors.
   Fig 6: Identifying Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   J14-6 - J75-3 (TKUL)	Always	Below 1 Ω
   J14-6 - Body ground	Always	10 kΩ or higher
   J14-5 - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE COWL SIDE JUNCTION BLOCK RH (MAIN BODY ECU RH)