.gif)
- CH1 : Y26-3 (DS12) - Body ground
- CH2 : Y26-4 (DS22) - Body ground
Lexus NX: PBD Unit Pulse Sensor RH Circuit (B2227)
Lexus NX Service Manual / Vehicle Exterior / Door / Hatch / Power Back Door System / PBD Unit Pulse Sensor RH Circuit (B2227)
DESCRIPTION
This DTC is output when the multiplex network door ECU detects a power back door unit assembly set RH pulse malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2227 | PBD Unit Pulse Sensor RH Circuit | Multiplex network door ECU detects power back door unit assembly set RH pulse 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 B2227 is not output
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
|
| 2. | CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - POWER BACK DOOR UNIT ASSEMBLY SET RH) |
(a) Disconnect the Y26 multiplex network door ECU connector.
(b) Disconnect the Y18 power back door unit assembly set RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| Y26-19 (DSG2) - Y18-4 (DSG2) | Always | Below 1 Ω |
| Y26-5 (DSV2) - Y18-3 (DSV2) | Always | Below 1 Ω |
| Y26-4 (DS22) - Y18-6 (DS22) | Always | Below 1 Ω |
| Y26-3 (DS12) - Y18-5 (DS12) | Always | Below 1 Ω |
| Y26-19 (DSG2) or Y18-4 (DSG2) - Body ground | Always | 10 kΩ or higher |
| Y26-5 (DSV2) or Y18-3 (DSV2) - Body ground | Always | 10 kΩ or higher |
| Y26-4 (DS22) or Y18-6 (DS22) - Body ground | Always | 10 kΩ or higher |
| Y26-3 (DS12) or Y18-5 (DS12) - Body ground | Always | 10 kΩ or higher |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 3. | CHECK MULTIPLEX NETWORK DOOR ECU |
| (a) Disconnect the power back door unit assembly set RH connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| Y18-4 (DSG2) - Body ground | Always | Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| Y18-5 (DS12) - Body ground | Always | 7 V or higher |
| Y18-6 (DS22) - Body ground | Always | 7 V or higher |
| Y18-3 (DSV2) - Body ground | Always | 7 V or higher |
| NG | | REPLACE MULTIPLEX NETWORK DOOR ECU |
|
| 4. | CHECK POWER BACK DOOR UNIT ASSEMBLY SET RH |
(a) Using an oscilloscope, check the waveform of each terminal from the rear of the multiplex network door ECU Y26 connector.
| *a | Component with harness connected (Multiplex Network Door ECU) | *b | Waveform (CH1) |
| *c | Waveform (CH2) | - | - |
Measurement Condition:
| Item | Condition |
|---|---|
| Tester Connection | |
| Tool setting | 2 V/DIV., 2 ms./DIV. |
| Vehicle condition | Open and close the back door by hand. |
HINT:
The period changes in accordance to the speed at which the back door is opened and closed by hand.
OK:
The waveform displayed is as shown in the illustration.
| OK | | REPLACE MULTIPLEX NETWORK DOOR ECU |
| NG | | REPLACE POWER BACK DOOR UNIT ASSEMBLY SET RH |
READ NEXT:
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 Troubl
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
SEE MORE:
Terminals Of Ecu
TERMINALS OF ECU CHECK OUTER MIRROR CONTROL ECU ASSEMBLY LH (a) Disconnect the M5 ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Tester Connection Wiring Color Terminal Description Condition Specified Condition M5-5 (SIG) - M5-7 (G
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
© 2016-2024 Copyright www.lexunx.com
