Toyota Corolla Cross: Back Door Closer Switch General Electrical Failure (B225101)
DESCRIPTION
The multiplex network door ECU receives signals from the latch switch, initial switch, pawl switch and back door courtesy switch, which are built into the back door lock assembly. Based on these switch signals, the latch position of the back door lock with courtesy light switch assembly is determined.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
|---|---|---|---|
|
B225101 | Back Door Closer Switch General Electrical Failure |
While the back door closer is operating, a malfunction is detected in position information from the back door courtesy switch within a specified amount of time. |
|
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
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- If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.
for HEV Model: Click here
for Gasoline Model: Click here
PROCEDURE
|
1. | READ VALUE USING GTS |
(a) Read the Data List according to the display on the GTS.
Body Electrical > Back Door > Data List|
Tester Display | Measurement Item |
Range | Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Courtesy Switch | Back door courtesy switch signal |
ON or OFF | OFF: Back door closed |
- |
|
Tester Display |
|---|
| Courtesy Switch |
|
Result | Proceed to |
|---|---|
|
The value of Courtesy Switch is OFF |
A |
| None of the above conditions are met |
B |
| B |
.gif) | GO TO STEP 3 |
|
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| 2. |
READ VALUE USING GTS |
(a) Read the Data List according to the display on the GTS.
Body Electrical > Back Door > Data List|
Tester Display | Measurement Item |
Range | Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Courtesy Switch | Back door courtesy switch signal |
ON or OFF | ON: Back door open |
- |
|
Tester Display |
|---|
| Courtesy Switch |
|
Result | Proceed to |
|---|---|
|
The value of Courtesy Switch is ON |
A |
| None of the above conditions are met |
B |
| A |
| REPLACE MULTIPLEX NETWORK DOOR ECU |
|
| 3. |
INSPECT BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY |
Click here
| NG | | REPLACE BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY |
|
| 4. |
CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY - MULTIPLEX NETWORK DOOR ECU AND BODY GROUND) |
(a) Disconnect the U39 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 |
|---|---|---|
|
U17-4 (CTY) - U39-3 (FUL) |
Always | Below 1 Ω |
|
U17-1 (E) - Body ground |
Always | Below 1 Ω |
|
U17-4 (CTY) or U39-3 (FUL) - Body ground |
Always | 10 kΩ or higher |
| OK | | REPLACE MULTIPLEX NETWORK DOOR ECU |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
