Lexus NX: PBD Touch Sensor LH Circuit (B222A)
DESCRIPTION
This DTC is output when the multiplex network door ECU detects a power back door sensor assembly LH touch sensor malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B222A | PBD Touch Sensor LH Circuit | Multiplex network door ECU detects power back door sensor assembly LH touch sensor malfunction |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the replacement, removal and installation of the multiplex network door ECU or disconnection of the connectors of the multiplex network door ECU has been performed, initialize the power back door system.
Click here .gif)
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
OK:
DTC B222A is not output
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
|
.gif)
| 2. | READ VALUE USING TECHSTREAM |
(a) Read the Data List according to the display on the Techstream.
Click here
| 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 | - |
| Tester Display |
|---|
| PBD Touch Sensor (Left) |
| 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 |
| A | | REPLACE MULTIPLEX NETWORK DOOR ECU |
|
| 3. | INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH |
(a) Remove the power back door sensor assembly LH.
Click here
(b) Inspect the power back door sensor assembly LH.
Click here
| NG | | REPLACE POWER BACK DOOR SENSOR ASSEMBLY LH |
|
| 4. | CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - POWER BACK DOOR SENSOR ASSEMBLY LH) |
(a) Disconnect the Y26 multiplex network door ECU connector.
(b) Disconnect the Y9 power back door sensor assembly LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| Y26-26 (OSL) - Y9-1 (OSL) | Always | Below 1 Ω |
| Y26-24 (OSE) - Y9-2 (OSLE) | Always | Below 1 Ω |
| Y26-26 (OSL) or Y9-1 (OSL) - Body ground | Always | 10 kΩ or higher |
| Y26-24 (OSE) or Y9-2 (OSLE) - Body ground | Always | 10 kΩ or higher |
| OK | | REPLACE MULTIPLEX NETWORK DOOR ECU |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
PBD Touch Sensor RH Circuit (B222B)
DESCRIPTION This DTC is output when the multiplex network door ECU detects a power back door sensor assembly RH touch sensor malfunction. DTC No. Detection Item DTC Detection Condition Troubl
Lost Communication With TCM (U0101,U0122,U0142,U0155,U0327,U1114,U1117)
DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item Trouble Area U0101 Lost Communication With TCM
CAN communication
Power Back Door cannot be Operated Using Any Switch
DESCRIPTION When the power back door cannot be operated using any switch, one of the following may be the cause: 1) initialization of the multiplex network door ECU, 2) power back door sensor assembly
SEE MORE:
Camera ECU Malfunction (C1610)
DESCRIPTION This DTC is stored when a malfunction occurs in the park assist/monitoring section. DTC No. Detection Item DTC Detection Condition Trouble Area C1610 Camera ECU Malfunction Park assist/monitoring error Panoramic view monitor system PROCEDURE 1. CHECK DTC (a
Components
COMPONENTS ILLUSTRATION *1 COWL SIDE TRIM BOARD LH *2 DOOR SCUFF PLATE ASSEMBLY LH *3 NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY *4 STOP LIGHT SWITCH ASSEMBLY *5 STOP LIGHT SWITCH MOUNTING ADJUSTER - - N*m (kgf*cm, ft.*lbf): Specified torque * For use wi
