DESCRIPTION
This DTC is stored when the multiplex network door ECU detects a malfunction of the motor built-into the power back door unit assembly set LH or power back door unit assembly set RH.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B2220 | Back Door Motor Circuit | Malfunction of motor built into the power back door unit assembly set LH or power back door unit assembly set RH detected |
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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.
Click here
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 B2220 is not output.
OK | ![]() | USE SIMULATION METHOD TO CHECK |
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2. | INSPECT POWER BACK DOOR UNIT ASSEMBLY SET LH |
(a) Fully open the back door.
(b) Disconnect the power back door unit assembly set LH connector. |
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(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
1 - Body ground | Always | 10 kΩ or higher |
2 - Body ground | Always | 10 kΩ or higher |
1 - 2 | Always | Below 1 MΩ |
NG | ![]() | REPLACE POWER BACK DOOR UNIT ASSEMBLY SET LH |
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3. | INSPECT POWER BACK DOOR UNIT ASSEMBLY SET RH |
(a) Fully open the back door.
(b) Disconnect the power back door unit assembly set RH connector. |
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(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
1 - Body ground | Always | 10 kΩ or higher |
2 - Body ground | Always | 10 kΩ or higher |
1 - 2 | Always | Below 1 MΩ |
NG | ![]() | REPLACE POWER BACK DOOR UNIT ASSEMBLY SET RH |
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4. | CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - POWER BACK DOOR UNIT ASSEMBLY SET LH) |
(a) Disconnect the Z17 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 |
---|---|---|
Z17-7 (BD+) - Z18-1 (BD+) | Always | Below 1 Ω |
Z17-6 (BD-) - Z18-2 (BD-) | Always | Below 1 Ω |
Z17-7 (BD+) or Z18-1 (BD+) - Body ground | Always | 10 kΩ or higher |
Z17-6 (BD-) or Z18-2 (BD-) - Body ground | Always | 10 kΩ or higher |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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5. | CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - POWER BACK DOOR UNIT ASSEMBLY SET RH) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
Z17-8 (BD+2) - Z19-1 (BD+2) | Always | Below 1 Ω |
Z17-9 (BD-2) - Z19-2 (BD-2) | Always | Below 1 Ω |
Z17-8 (BD+2) or Z19-1 (BD+2) - Body ground | Always | 10 kΩ or higher |
Z17-9 (BD-2) or Z19-2 (BD-2) - Body ground | Always | 10 kΩ or higher |
OK | ![]() | REPLACE MULTIPLEX NETWORK DOOR ECU |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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