Rear Door Unlock Detection Switch RH Circuit: Procedure

1. Connect Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the tester on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. Read the Data List according to the display on the tester.
   MAIN BODY:
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   RR Lock Pos SW	Rear right door lock position switch signal / ON or OFF	ON: Rear right door lock is in UNLOCK position OFF: Rear right door lock is in LOCK position	-

   OK

   The display is as specified in the normal condition column.

NG → See step   2 

OK → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

1. Remove the rear door lock assembly RH.
   Fig 1: Checking Operation Of Unlock Detection Switch

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

   Standard Resistance

   Tester Connection	Measurement Condition	Door Lock Condition	Specified Condition
   6 - 9	Battery positive (+) → Terminal 4 Battery negative (-) → Terminal 1	Lock	10 kΩ or higher
   6 - 9	Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 4	Unlock	Below 1 Ω

NG → REPLACE REAR DOOR LOCK ASSEMBLY 

OK: Go to next step 

1. Disconnect the rear door lock assembly RH connector.
   Fig 2: Checking Wire Harness (Rear Door Lock - Main Body ECU (Instrument Panel J/ B))

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the ECU (instrument panel J/B) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection (Symbols)	Condition	Specified Condition
   J2-6 (LSSR) - E60-5 (LSWR)	Always	Below 1 Ω
   J2-6 (LSSR) - Body ground	Always	10 kΩ or higher
   J2-9 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU (INSTRUMENT PANEL J/B)