Rear Door Courtesy Switch Circuit [10/2014 - ]: Procedure

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

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   RR Door Courtesy SW	Rear door courtesy light switch RH signal/ON or OFF	ON: Rear door RH open OFF: Rear door RH closed	-
   RL Door Courtesy SW	Rear door courtesy light switch LH signal/ON or OFF	ON: Rear door LH open OFF: Rear door LH closed	-

   OK

   Normal conditions listed above are displayed.

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [10/2014 - ] )

Result: 

NG 

See step  2

1. Remove the rear door courtesy light switch assembly (Refer to REMOVAL [10/2014 - ] ).
2. Inspect the rear door courtesy light switch assembly (Refer to INSPECTION [10/2014 - ] ).

   OK

   Rear door courtesy light switch assembly is normal.

   Result

   Result	Proceed to
   OK (for LH)	A
   OK (for RH)	B
   NG	C

Result: 

B 

See step  4

Result: 

C 

REPLACE REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY 

(Refer to REMOVAL [10/2014 - ] )

Result: 

A 

See step  3

1. Disconnect the D6 main body ECU (multiplex network body ECU) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J11-1 - D6-1 (LCTY)	Always	Below 1 Ω
   J11-1 - Body ground	Always	10 kΩ or higher

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(Refer to REMOVAL [10/2014 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the D6 main body ECU (multiplex network body ECU) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K10-1 - D6-6 (RCTY)	Always	Below 1 Ω
   K10-1 - Body ground	Always	10 kΩ or higher

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(Refer to REMOVAL [10/2014 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR