| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000002FQ2D |
| Model Year Start: 2024 | Model: RAV4 | Prod Date Range: [10/2023 - ] |
| Title: DOOR / HATCH: POWER BACK DOOR SYSTEM: Back Door Closer does not Operate; 2024 MY RAV4 RAV4 HV [10/2023 - ] | ||
|
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 back door lock with courtesy light switch assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this problem.
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![2024 MY RAV4 RAV4 HV [10/2023 - ]; DOOR / HATCH: POWER BACK DOOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
- Inspect fuses for circuits related to this system before performing the following inspection procedure.
-
If the multiplex network door ECU has been replaced, or if any of the connectors has been disconnected, initialize the power back door system.
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PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Back Door > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC B225001 is output |
B |
|
DTC B225101 is output |
C |
| B |
|
| C |
|
|
|
2. |
CHECK BACK DOOR LOCK FUNCTION |
(a) Check if the back door can be fully closed by hand.
|
Result |
Proceed to |
|---|---|
|
The back door can be closed normally |
A |
|
The back door cannot be closed normally |
B |
| B |
|
IMPROPER FIT OF BACK DOOR, OR A FOREIGN OBJECT IS STUCK IN BACK DOOR |
|
|
3. |
CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - BATTERY AND BODY GROUND) |
(a) Disconnect the R26, R28 and R29 multiplex network door ECU connectors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
R28-4 (GND) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
R26-7 (ECUB) - Body ground |
Ignition switch off |
11 to 14 V |
|
R29-5 (B) - Body ground |
Ignition switch off |
11 to 14 V |
|
R26-9 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
|
Ignition switch off |
Below 1 V |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
INSPECT BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY |
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| NG |
|
|
|
5. |
CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY - MULTIPLEX NETWORK DOOR ECU AND BODY GROUND) |
(a) Disconnect the R13 and R14 back door lock with courtesy light switch connectors.
(b) Disconnect the R26 and R28 multiplex network door ECU connectors.
(c) Disconnect the 4H instrument panel junction block assembly connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
R13-2 (M+) - R28-2 (DC+) |
Always |
Below 1 Ω |
|
R13-1 (M-) - R28-6 (DC-) |
Always |
Below 1 Ω |
|
R14-4 (CTY) - R26-3 (FUL) |
Always |
Below 1 Ω |
|
R14-2 (FSW) - R26-13 (PAWL) |
Always |
Below 1 Ω |
|
R14-3 (CLS) - R26-5 (HAF) |
Always |
Below 1 Ω |
|
R14-6 (OPN) - R26-15 (POS) |
Always |
Below 1 Ω |
|
R14-1 (E) - Body ground |
Always |
Below 1 Ω |
|
R13-2 (M+) or R28-2 (DC+) - Body ground |
Always |
10 kΩ or higher |
|
R13-1 (M-) or R28-6 (DC-) - Body ground |
Always |
10 kΩ or higher |
|
R14-4 (CTY) or R26-3 (FUL) - Body ground |
Always |
10 kΩ or higher |
|
R14-2 (FSW) or R26-13 (PAWL) - Body ground |
Always |
10 kΩ or higher |
|
R14-3 (CLS) or R26-5 (HAF) - Body ground |
Always |
10 kΩ or higher |
|
R14-6 (OPN) or R26-15 (POS) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|