DTC B222A: PBD Touch Sensor LH Circuit [11/2018 - 10/2023]: Procedure

1. Clear the DTCs.

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

   Body Electrical > Back Door > Clear DTCs 

2. Check for DTCs.

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

   Body Electrical > Back Door > Trouble Codes 

   OK

   DTC B222A is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

Result: 

NG 

See step  2

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
   PBD Touch Sensor (Left)	Power back door sensor assembly LH signal	ON, OFF or Open	ON: Power back door sensor assembly LH pressed OFF: Power back door sensor assembly LH not pressed Open: Power back door sensor assembly LH circuit open	-

   Body Electrical > Back Door > Data List 

   Tester Display
   PBD Touch Sensor (Left)

   Result

   Result	Proceed to
   On the Techstream screen, ON or OFF is displayed accordingly	A
   On the Techstream screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly LH	B

Result: 

A 

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

Result: 

B 

See step  3

1. Remove the power back door sensor assembly LH.

   Refer to REMOVAL [11/2018 - ]

2. Inspect the power back door sensor assembly LH.

   Refer to INSPECTION [11/2018 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE POWER BACK DOOR SENSOR ASSEMBLY LH. Refer to  REMOVAL [11/2018 - ] 

Result: 

OK 

See step  4

1. Disconnect the R18 multiplex network door ECU connector.
2. Disconnect the R9 power back door sensor assembly LH connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   R18-26 (OSL) - R9-1 (OSL)	Always	Below 1 Ω
   R18-24 (OSE) - R9-2 (OSLE)	Always	Below 1 Ω
   R18-26 (OSL) or R9-1 (OSL) - Body ground	Always	10 kΩ or higher
   R18-24 (OSE) or R9-2 (OSLE) - Body ground	Always	10 kΩ or higher

   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