Power Back Door cannot be Operated Using Kick Sensor [11/2018 - 10/2023]: Procedure

1. Check that power back door function on the multi-information display in the combination meter assembly is set to ON.

   Refer to CUSTOMIZE PARAMETERS [11/2018 - 10/2023]

   Result

   Result	Proceed to
   Power back door function on the multi-information display in the combination meter assembly is set to ON (power back door system operation is permitted)	A
   Power back door function on the multi-information display in the combination meter assembly is set to OFF (power back door system operation is prohibited)	B

Result: 

B 

SET POWER BACK DOOR FUNCTION TO ON (PERMIT POWER BACK DOOR SYSTEM OPERATION) 

Result: 

A 

See step  2

1. Check power back door system condition.

   Result

   Result	Proceed to
   The malfunction symptom reproduces	A
   The malfunction symptom does not reproduce	B

Result: 

B 

GO TO POWER BACK DOOR CANNOT BE OPERATED FREQUENTLY. Refer to  Power Back Door cannot be Operated Frequently [11/2018 - 10/2023]  

Result: 

A 

See step  3

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [11/2018 - 10/2023]

   Body Electrical > Back Door > Trouble Codes 

   OK

   DTC is not output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2018 - 10/2023] 

Result: 

OK 

See step  4

1. Read the Data List according to the display on the Techstream.

   Refer to DATA LIST / ACTIVE TEST [11/2018 - 10/2023]

   Body Electrical > Back Door > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Kick Sensor Error	Status of the kick door control sensor error	Normal or Error	Normal: Kick door control sensor is normal Error: Kick door control sensor is abnormal	-

   Body Electrical > Back Door > Data List 

   Tester Display
   Kick Sensor Error

   OK

   On the Techstream, Normal is displayed.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE KICK DOOR CONTROL SENSOR. Refer to  REMOVAL [11/2018 - 02/2019]  , or refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021]  , or refer to  REMOVAL [12/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

Result: 

OK 

See step  5

1. Read the Data List according to the display on the Techstream.

   Refer to DATA LIST / ACTIVE TEST [11/2018 - 10/2023]

   Body Electrical > Back Door > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Kick Sensor Detection	Status of the kick door control sensor detection	OFF or ON	OFF: Kick door control sensor not detecting a foot ON: Kick door control sensor detecting a foot	-

   Body Electrical > Back Door > Data List 

   Tester Display
   Kick Sensor Detection

   OK

   On Techstream screen, item changes between ON and OFF according to above chart.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  7

Result: 

OK 

See step  6

1. Disconnect the Q7 kick door control sensor connector.
2. Disconnect the 4D 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
   Q7-6 (LIN) - 4D-17	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to  REMOVAL [11/2018 - 10/2023] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the kick door control sensor connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Kick Door Control Sensor)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Q7-7 (GND) - Body ground	Always	Below 1 Ω

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   Q7-2 (B) - Body ground	Power switch off	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  8

1. Disconnect the Q7 kick door control sensor connector.
2. Disconnect the R18 multiplex network door ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Q7-3 (KSOT) - R18-14 (KSIN)	Always	Below 1 Ω
   Q7-3 (KSOT) or R18-14 (KSIN) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  9

1. Remove the multiplex network door ECU with the connector(s) still connected.

   Refer to REMOVAL [11/2018 - 10/2023]

2. Check the signal waveform according to the condition(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Multiplex Network Door ECU)
   *b	Waveform

   MEASUREMENT CONDITION
   
   

   Item	Condition
   Tester Connection	R18-14 (KSIN) - Body ground
   Tool Setting	2 V/DIV., 50 ms./DIV.
   Vehicle Condition	Power switch on (IG), kick door control sensor not detecting a foot

   OK

   The waveform displayed is as shown in the illustration.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE KICK DOOR CONTROL SENSOR. Refer to  REMOVAL [11/2018 - 02/2019]  , or refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021]  , or refer to  REMOVAL [12/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

Result: 

NG 

REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to  REMOVAL [11/2018 - 10/2023]