DESCRIPTION
This DTC is stored when the multiplex network door ECU detects a malfunction of the power back door sensor assembly RH touch sensor.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B222B | PBD Touch Sensor RH Circuit | Multiplex network door ECU detects power back door sensor assembly RH touch sensor malfunction |
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the multiplex network door ECU has been removed and installed or replaced, or if any of the connectors have been disconnected, initialize the power back door system.
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PROCEDURE
1. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Back Door / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > Back Door > Clear DTCs(f) Recheck for DTCs.
Body Electrical > Back Door > Trouble CodesOK:
DTC B222B is not output.
OK | ![]() | USE SIMULATION METHOD TO CHECK |
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2. | READ VALUE USING TECHSTREAM |
(a) Enter the following menus: Body Electrical / Back Door / Data List.
(b) Read the Data List according to the display on the Techstream.
Body Electrical > Back Door > Data List Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
---|---|---|---|---|
PBD Touch Sensor (Right) | Power back door sensor assembly RH signal | OFF, ON or Open | OFF: Power back door sensor assembly RH not pressed ON: Power back door sensor assembly RH pressed Open: Power back door sensor assembly RH circuit open | - |
Tester Display |
---|
PBD Touch Sensor (Right) |
Result | Proceed to |
---|---|
On the Techstream screen, OFF or ON is displayed accordingly | A |
On the Techstream screen, OFF or ON is not displayed accordingly or Open is displayed for power back door sensor assembly RH | B |
A | ![]() | REPLACE MULTIPLEX NETWORK DOOR ECU |
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3. | INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH |
(a) Remove the power back door sensor assembly RH.
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(b) Inspect the power back door sensor assembly RH.
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NG | ![]() | REPLACE POWER BACK DOOR SENSOR ASSEMBLY RH |
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4. | CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - POWER BACK DOOR SENSOR ASSEMBLY RH) |
(a) Disconnect the Z16 multiplex network door ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
Z16-6 (OSR) - Z14-1 (OSR) | Always | Below 1 Ω |
Z16-24 (OSE) - Z14-2 (OSRE) | Always | Below 1 Ω |
Z16-6 (OSR) or Z14-1 (OSR) - Body ground | Always | 10 kΩ or higher |
Z16-24 (OSE) or Z14-2 (OSRE) - Body ground | Always | 10 kΩ or higher |
OK | ![]() | REPLACE MULTIPLEX NETWORK DOOR ECU |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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