Rear Sunshade Shift-linked Function does not Operate when Shift Lever is Moved to R Position: Procedure

1. Delete the DTCs. Refer to DIAGNOSIS SYSTEM .
2. Check for DTCs again.
3. Proceed to the next step based on the inspection result.

   Result

   Result	Proceed to
   No DTC is output	A
   DTC P0705 is output	B
   CAN communication system DTCs are output	C
   Multiplex communication system DTCs are output	D

B → See step   8 

C → See step   9 

D → See step   10 

A: Go to next step 

1. Select the Active Test, use Techstream to generate a control command, and then check that the rear shade raises and lowers.

   Main Body

   Tester Display	Test Part	Control Range	Diagnostic Note
   Shift R sign	Reverse Signal Operation	ON or OFF	Rear sunshade switch is pressed

   OK

   Rear sunshade raises and lowers.

NG → See step   5 

OK: Go to next step 

1. Replace network gateway ECU. Refer to REMOVAL .
2. Check the rear sunshade operation. Refer to SYSTEM DESCRIPTION .

   Result

   Result	Proceed to
   Rear sunshade operates.	OK
   Rear sunshade does not operate.	NG

NG → See step   4 

OK → END 

1. Replace ECM. Refer to REMOVAL .
2. Check the rear sunshade operation. Refer to SYSTEM DESCRIPTION .

   Result

   Result	Proceed to
   Rear sunshade operates.	OK
   Rear sunshade does not operate.	NG

NG → REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) 

OK → END 

1. Disconnect the K17 rear sunshade relay connector.
   Fig 1: Identifying Rear Sunshade Relay And Main Body ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the D6 main body ECU connector.
3. Measure the resistance between the terminals according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   K17-2 (REV) - D6-6 (RSSR)	Always	Below 1 Ω
   K17-2 (REV) - Body ground	Always	10 kΩ higher
   D6-6 (RSSR) - Body ground	Always	10 kΩ higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the K17 rear sunshade relay connector.
   Fig 2: Identifying Rear Sunshade Relay Connector Terminals

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

   Standard resistance

   Tester Connection	Condition	Specified Condition
   K17-2 (REV) - Body ground	Ignition switch on (IG), shift lever in except R position	Below 1 V
   K17-2 (REV) - Body ground	Ignition switch on (IG), shift lever in R position	11 to 14 V

NG → REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) 

OK → See step   7