DESCRIPTION
The luggage compartment door closer is controlled by the luggage closer motor assembly*1 or multiplex network door ECU*2. The luggage closer motor assembly*1 or multiplex network door ECU*2 is activated according to the switch signals in the luggage door closer assembly.
*1: w/ Power Trunk Lid System
*2: w/o Power Trunk Lid System
CAUTION / NOTICE / HINT
Note
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.
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.
This check is possible only when the "PBD Power Operation"*1 or "Closer Power Operation"*2 customization setting using the GTS is set to ON (initial setting is ON).
*1: w/ Power Trunk Lid System
*2: w/o Power Trunk Lid System
PROCEDURE
SYSTEM CHECK
Check the vehicle specifications.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| B |
|
OPERATION INSPECTION Click here |
| A |
|
OPERATION INSPECTION
Confirm the problem symptoms.
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| B |
|
READ VALUE USING GTS Click here |
| C |
|
GO TO ENTRY AND START SYSTEM (for Entry Function) Click here |
| A |
|
READ VALUE USING GTS
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical > Back Door > Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Half Latch SW | Luggage door closer assembly (half switch signal) | OFF or ON | OFF: Half switch of luggage door closer assembly off ON: Half switch of luggage door closer assembly on |
See "Luggage Compartment Door Closer Operation Timing Chart"* |
| Pawl Position Switch | Luggage door closer assembly (pawl switch signal) | OFF or ON | OFF: Pawl switch of luggage door closer assembly off ON: Pawl switch of luggage door closer assembly on |
See "Luggage Compartment Door Closer Operation Timing Chart"* |
| Tester Display |
|---|
| Half Latch SW |
| Pawl Position Switch |
*: See "Luggage Compartment Door Closer Operation Timing Chart"
| OK |
|---|
| On the GTS screen, each item changes between ON and OFF as shown in above chart. |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (LUGGAGE CLOSER MOTOR ASSEMBLY - BATTERY AND BODY GROUND)
| *a | Front view of wire harness connector (to Luggage Closer Motor Assembly) |
Disconnect the luggage closer motor assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT LUGGAGE DOOR CLOSER ASSEMBLY
Remove the luggage door closer assembly.
Inspect the luggage door closer assembly
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE LUGGAGE DOOR CLOSER ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (LUGGAGE CLOSER MOTOR ASSEMBLY - LUGGAGE DOOR CLOSER ASSEMBLY)
Disconnect the U28 luggage closer motor assembly connector.
Disconnect the X9 luggage door closer assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK LUGGAGE DOOR CLOSER ASSEMBLY
Replace the luggage door closer assembly with a new or known good one.
Check the luggage compartment door closer operation.
| OK |
|---|
| Luggage compartment door closer normal operation. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END (LUGGAGE DOOR CLOSER ASSEMBLY WAS DEFECTIVE) |
| NG |
|
REPLACE LUGGAGE CLOSER MOTOR ASSEMBLY Click here |
READ VALUE USING GTS
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical > Main Body > Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Trunk Lock/Unlock SW | Door unlock switch signal | ON or OFF | ON: Luggage compartment door lock cylinder in unlock position OFF: Luggage compartment door lock cylinder in neutral position |
- |
| Tester Display |
|---|
| Trunk Lock/Unlock SW |
| OK |
|---|
| On the GTS screen, each item changes between ON and OFF as shown in above chart. |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| NG |
|
INSPECT DOOR UNLOCK SWITCH SUB-ASSEMBLY
Remove the door unlock switch sub-assembly.
| *a | Component without harness connected (Door Unlock Switch Sub-assembly) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE DOOR UNLOCK SWITCH SUB-ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - DOOR UNLOCK SWITCH SUB-ASSEMBLY AND BODY GROUND)
Disconnect the K11 main body ECU (multiplex network body ECU) connector.
Disconnect the X4 door unlock switch sub-assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OPERATION INSPECTION
Confirm the problem symptoms.
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| B |
|
READ VALUE USING GTS Click here |
| C |
|
GO TO ENTRY AND START SYSTEM (for Entry Function) Click here |
| A |
|
READ VALUE USING GTS
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical > Back Door > Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Half Latch SW | Luggage door closer assembly (half switch signal) | OFF or ON | OFF: Half switch of luggage door closer assembly off ON: Half switch of luggage door closer assembly on |
See "Luggage Compartment Door Closer Operation Timing Chart"* |
| Pawl Position Switch | Luggage door closer assembly (pawl switch signal) | OFF or ON | OFF: Pawl switch of luggage door closer assembly off ON: Pawl switch of luggage door closer assembly on |
See "Luggage Compartment Door Closer Operation Timing Chart"* |
| Tester Display |
|---|
| Half Latch SW |
| Pawl Position Switch |
*: See "Luggage Compartment Door Closer Operation Timing Chart"
| OK |
|---|
| On the GTS screen, each item changes between ON and OFF as shown in above chart. |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE LUGGAGE DOOR CLOSER ASSEMBLY Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - BATTERY AND BODY GROUND)
| *a | Front view of wire harness connector (to Multiplex Network Door ECU) |
Disconnect the multiplex network door ECU connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT LUGGAGE DOOR CLOSER ASSEMBLY
Remove the luggage door closer assembly.
Inspect the luggage door closer assembly
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE LUGGAGE DOOR CLOSER ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - LUGGAGE DOOR CLOSER ASSEMBLY)
Disconnect the U32 multiplex network door ECU connector.
Disconnect the X9 luggage door closer assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK LUGGAGE DOOR CLOSER ASSEMBLY
Replace the luggage door closer assembly with a new or known good one.
Check the luggage compartment door closer operation.
| OK |
|---|
| Luggage compartment door closer normal operation. |
| Result | |||
|---|---|---|---|
|
| OK |
|
END (LUGGAGE DOOR CLOSER ASSEMBLY WAS DEFECTIVE) |
| NG |
|
REPLACE MULTIPLEX NETWORK DOOR ECU Click here |
READ VALUE USING GTS
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical > Main Body > Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Trunk Lock/Unlock SW | Door unlock switch signal | ON or OFF | ON: Luggage compartment door lock cylinder in unlock position OFF: Luggage compartment door lock cylinder in neutral position |
- |
| Tester Display |
|---|
| Trunk Lock/Unlock SW |
| OK |
|---|
| On the GTS screen, each item changes between ON and OFF as shown in above chart. |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| NG |
|
INSPECT DOOR UNLOCK SWITCH SUB-ASSEMBLY
Remove the door unlock switch sub-assembly.
| *a | Component without harness connected (Door Unlock Switch Sub-assembly) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE DOOR UNLOCK SWITCH SUB-ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - DOOR UNLOCK SWITCH SUB-ASSEMBLY AND BODY GROUND)
Disconnect the K11 main body ECU (multiplex network body ECU) connector.
Disconnect the X4 door unlock switch sub-assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |