DESCRIPTION
The luggage compartment door opener system controls the main body ECU (multiplex network body ECU) and operates the luggage compartment door lock motor. If the luggage compartment door opener system does not operate using any of the operations, a malfunction related to the luggage compartment door opener system operation conditions or main body ECU (multiplex network body ECU) malfunction are possible causes.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
Inspect the fuses for circuits related to this system before performing the following procedure.
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.
If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.
PROCEDURE
CHECK POWER DOOR LOCK CONTROL SYSTEM
Check power door lock control system operation.
| OK |
|---|
| Power door lock control system is normal. |
| Result | |||
|---|---|---|---|
|
| NG |
|
GO TO POWER DOOR LOCK CONTROL SYSTEM Click here |
| OK |
|
CHECK WIRELESS DOOR LOCK CONTROL SYSTEM
Check wireless door lock control system operation.
| OK |
|---|
| Wireless door lock control system is normal. |
| Result | |||
|---|---|---|---|
|
| NG |
|
GO TO WIRELESS DOOR LOCK CONTROL SYSTEM Click here |
| OK |
|
PERFORM ACTIVE TEST USING GTS
Perform the Active Test according to the display on the GTS.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Trunk and Back-Door Open | Operate luggage compartment door lock assembly latch release | OFF or ON | - |
| Tester Display |
|---|
| Trunk and Back-Door Open |
| OK |
|---|
| Luggage compartment door lock assembly latch release motor operates normally. |
| Result | |||
|---|---|---|---|
|
| NG |
|
INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here |
| OK |
|
READ VALUE USING GTS
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Trunk Main SW | Luggage door opening cancel switch assembly signal | OFF or ON | OFF: Luggage door opening cancel switch assembly off ON: Luggage door opening cancel switch assembly on |
- |
| Luggage Courtesy SW | Luggage compartment door courtesy switch signal | OFF or ON | OFF: Luggage compartment door courtesy switch off ON: Luggage compartment door courtesy switch on |
- |
| Tester Display |
|---|
| Trunk Main SW |
| Luggage Courtesy SW |
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| A |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| B |
|
INSPECT LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY Click here |
| C |
|
INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here |
INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY
Remove the luggage compartment door lock assembly.
Inspect the luggage compartment door lock assembly.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here |
| OK |
|
INSPECT LUGGAGE OPENER RELAY (TRUNK OPN)
Remove the luggage opener relay (TRUNK OPN) from the No. 2 luggage room relay block.
Inspect the luggage opener relay (TRUNK OPN).
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE LUGGAGE OPENER RELAY (TRUNK OPN) |
| OK |
|
CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - LUGGAGE OPENER RELAY [TRUNK OPN] AND BODY GROUND)
Disconnect the X72 luggage compartment door lock assembly connector.
Remove the luggage opener relay (TRUNK OPN) from the No. 2 luggage room relay block.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (LUGGAGE OPENER RELAY [TRUNK OPN] - BATTERY AND BODY GROUND)
| *a | Front view of wire harness connector (to Luggage Opener Relay [TRUNK OPN]) |
Remove the luggage opener relay (TRUNK OPN) from the No. 2 luggage room relay block.
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 |
|
CHECK HARNESS AND CONNECTOR (LUGGAGE OPENER RELAY [TRUNK OPN] - DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
Remove the luggage opener relay (TRUNK OPN) from the No. 2 luggage room relay block.
Disconnect the 3C driver side junction block 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 |
|
INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY
Remove the driver side junction block assembly.
Remove the main body ECU (multiplex network body ECU) from driver side junction block assembly.
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 |
|
REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY Click here |
INSPECT LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY
Remove the luggage door opening cancel switch assembly.
Inspect the luggage door opening cancel switch assembly.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)
Disconnect the P67 luggage door opening cancel switch assembly connector.
Disconnect the P7 main body ECU (multiplex network body ECU) 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 |
INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY
Remove the luggage compartment door lock assembly.
Inspect the luggage compartment door lock assembly.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
Disconnect the X72 luggage compartment door lock assembly connector.
Disconnect the 3D driver side junction block 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 |
|
INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY
Remove the driver side junction block assembly.
Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.
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 |
|
REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY Click here |