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
.gif)
- 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 |
|
.gif)
| 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 |
READ NEXT:
Lost Communication with ECM/PCM "A" Missing Message (U010087,U010187,U012987,U014087,U015587,U016387,U016887,U111787,U114F87)
DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit.
DTC No. Detection Item
Trouble Area U010087
Lost Communication with ECM/PCM "A" Missin
Back Door Closer does not Operate
DESCRIPTION The back door lock with courtesy light switch assembly is controlled by the multiplex network door ECU. The multiplex network door ECU is activated according to the switch signals in the b
Power Back Door cannot be Operated Using Any Switch
DESCRIPTION The power back door controls the multiplex network door ECU and operates the power back door unit assembly and back door lock assembly.
If the power back door does not operate using any o
SEE MORE:
VSC does not Operate or VSC does not Operate Correctly
DESCRIPTION
When TRAC or VSC is operating, the skid control ECU (brake actuator
assembly) blinks the slip indicator light to inform the driver that slippage occurred.
When a communication malfunction with the hybrid vehicle control
ECU is detected, TRAC and VSC are disabled. Also, TRAC and VSC
Adding the washer fluid
Add washer fluid in the following
situations:
A washer does not work.
The warning message
appears on the multi-information
display.
WARNING
■When adding washer fluid
Do not add washer fluid when the
engine is hot or running as
washer fluid contains alcohol and
may catch fire if spilled on t
