| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001BQQ1 |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - ] |
| Title: DOOR / HATCH: LUGGAGE COMPARTMENT DOOR OPENER SYSTEM (for HV Model): Luggage Compartment Door Opener does not Operate; 2019 - 2022 MY Avalon HV [04/2018 - ] | ||
|
Luggage Compartment Door Opener does not Operate |
DESCRIPTION
The main body ECU (multiplex network body ECU) receives switch signals from the luggage compartment door opening switch assembly and operates the luggage compartment door lock assembly to open the luggage compartment door.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
The luggage compartment door opener system uses the CAN communication system. First, confirm that there is no malfunction in the CAN communication system. Refer to the How to Proceed with Troubleshooting procedure.
Click here
![2019 - 2022 MY Avalon HV [04/2018 - ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR OPENER SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
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Before replacing the main body ECU (multiplex network body ECU) or certification ECU (smart key ECU assembly), refer to Registration.
Click here
PROCEDURE
|
1. |
CHECK POWER DOOR LOCK CONTROL SYSTEM |
(a) Check power door lock control system operation.
Click here
OK:
Power door lock control system is normal.
| NG |
|
|
|
2. |
CHECK WIRELESS DOOR LOCK CONTROL SYSTEM |
(a) Check wireless door lock control system operation.
Click here
OK:
Wireless door lock control system is normal.
| NG |
|
|
|
3. |
PERFORM ACTIVE TEST USING TECHSTREAM (Trunk and Back-Door Open) |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Main Body > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Trunk and Back-Door Open |
Operate luggage compartment door lock assembly latch release |
OFF or ON |
- |
Body Electrical > Main Body > Active Test
|
Tester Display |
|---|
|
Trunk and Back-Door Open |
OK:
Luggage compartment door lock assembly latch release motor operates normally.
| NG |
|
|
|
4. |
READ VALUE USING TECHSTREAM (Trunk/BDoor Open SW, Luggage Courtesy SW) |
(a) Enter the following menus: Body Electrical / Main Body / Data List.
(b) Read the Data List according to the display on the Techstream.
Body Electrical > Main Body > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Trunk/BDoor Open SW |
Luggage compartment door opening switch signal |
OFF or ON |
OFF: Luggage compartment door opening switch off ON: Luggage compartment door opening switch on |
- |
|
Luggage Courtesy SW |
Luggage compartment door courtesy light switch signal |
OFF or ON |
OFF: Luggage compartment door courtesy light switch off ON: Luggage compartment door courtesy light switch on |
- |
Body Electrical > Main Body > Data List
|
Tester Display |
|---|
|
Trunk/BDoor Open SW |
|
Luggage Courtesy SW |
OK:
The Techstream display changes correctly in response to the ON/OFF operation of the luggage compartment door opening switch or luggage compartment door courtesy light switch.
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (Trunk/BDoor Open SW) |
B |
|
NG (Luggage Courtesy SW) |
C |
| B |
|
| C |
|
|
|
5. |
READ VALUE USING TECHSTREAM (Tr/B-Door Unlock SW) |
(a) Enter the following menus: Body Electrical / Smart Key / Data List.
(b) Read the Data List according to the display on the Techstream.
Body Electrical > Smart Key > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Tr/B-Door Unlock SW |
Luggage electrical key switch |
OFF or ON |
OFF: Luggage electrical key switch not pressed ON: Luggage electrical key switch pressed |
When this item is abnormal, there is a malfunction in the luggage electrical key switch or related parts. |
OK:
The Techstream display changes correctly in response to the operation of the luggage electrical key switch.
| NG |
|
|
|
6. |
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
(a) Temporarily replace the main body ECU (multiplex network body ECU) with a new or known good one.
Click here
(b) Check that the luggage door opener system is normal.
| OK |
|
END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE) |
| NG |
|
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
|
|
7. |
INSPECT LUGGAGE COMPARTMENT DOOR OPENING SWITCH ASSEMBLY |
(a) Remove the luggage compartment door opening switch assembly.
Click here
(b) Inspect the luggage compartment door opening switch assembly.
Click here
| NG |
|
|
|
8. |
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - LUGGAGE COMPARTMENT DOOR OPENING SWITCH ASSEMBLY AND BODY GROUND) |
(a) Disconnect the G34 main body ECU (multiplex network body ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G34-4 (TSW) - G28-5 (B) |
Always |
Below 1 Ω |
|
G28-2 (L) - Body ground |
Always |
Below 1 Ω |
|
G34-4 (TSW) or G28-5 (B) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
9. |
INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY |
(a) Remove the luggage compartment door lock assembly.
Click here
(b) Inspect the luggage compartment door lock assembly.
Click here
| NG |
|
|
|
10. |
CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND) |
(a) Disconnect the 4H instrument panel junction block assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
P3-3 (D+) - 4H-34 |
Always |
Below 1 Ω |
|
P3-1 (B) - 4H-20 |
Always |
Below 1 Ω |
|
P3-2 (E) - Body ground |
Always |
Below 1 Ω |
|
P3-3 (D+) or 4H-34 - Body ground |
Always |
10 kΩ or higher |
|
P3-1 (B) or 4H-20 - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
11. |
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
(a) Temporarily replace the instrument panel junction block assembly with a new or known good one.
Click here
(b) Check that the luggage door opener system is normal.
| OK |
|
END (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WAS DEFECTIVE) |
| NG |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
|
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