Rear Sunshade Shift-linked Function does not Operate when Shift Lever is Moved to R Position [10/2014 - 10/2015]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Hybrid Control / Data List.
5. Read the Data List according to the display on the Techstream.
   HYBRID CONTROL
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Shift Sensor SW - R	Shift lever position sensor / ON or OFF	ON: Shift lever in R OFF: Shift lever in any position except R	-

   OK

   The Techstream display changes according to the shift position selected using the shift lever.

Result: 

NG 

GO TO HYBRID / BATTERY CONTROL 

(Refer to DTC P0705-757: Transmission Range Sensor Circuit [10/2014 - 10/2015] )

Result: 

OK 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Main Body / Active Test.
5. Perform the Active Test according to the display on the Techstream.

   HINT: 

   Make sure the rear window shade assembly is raised before performing Active Test.

   MAIN BODY
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Reverse Gear Signal	Reverse signal	OFF/ON	-

   OK

   The rear window shade assembly is lowered.

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(Refer to REMOVAL [10/2014 - 10/2015] )

Result: 

NG 

See step  3

1. Disconnect the J19 rear sunshade relay connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   J19-2 (REV) - Body ground	Power switch on (IG), shift lever in any position other than R	11 to 14 V

Result: 

OK 

REPLACE REAR SUNSHADE RELAY 

(Refer to REMOVAL [10/2014 - ] )

Result: 

NG 

See step  4

1. Remove the main body ECU (multiplex network body ECU) (Refer to REMOVAL [10/2014 - 10/2015] ).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *a

   Component without harness connected (Instrument Panel Junction Block Assembly)

   -

   -

2. Disconnect the 3B instrument panel junction block assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   3B-38 - MB-23 (REV)	Always	Below 1 Ω

Result: 

NG 

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 

(Refer to REMOVAL [10/2014 - 10/2015] )

Result: 

OK 

See step  5

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   3B-38 - J19-2 (REV)	Always	Below 1 Ω
   J19-2 (REV) - Body ground	Always	10 kΩ or higher

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(Refer to REMOVAL [10/2014 - 10/2015] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR