DESCRIPTION
The main body ECU (multiplex network body ECU) controls the outside handle foot lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.
The vehicle battery supplies power to the main body ECU (multiplex network body ECU) via the door control battery. Therefore, before proceeding with troubleshooting, perform an on-vehicle inspection and confirm that the main body ECU (multiplex network body ECU) power source circuit is normal.*
*: w/o Canister Pump Module with Door Ajar Warning Buzzer Function
PROCEDURE
PERFORM ACTIVE TEST 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 / Active Test.
Perform the Active Test according to the display on the GTS.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Exterior Light | Outside handle foot lights | ON/OFF | - |
| Tester Display |
|---|
| Exterior Light |
| OK |
|---|
| Outside handle foot lights illuminate. |
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| A |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here |
| C |
|
CHECK REAR DOOR OUTSIDE HANDLE ASSEMBLY LH Click here |
| B |
|
CHECK FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH
Disconnect the N11 front door outside handle assembly LH connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
*: Refer to System Description for the illumination conditions of the outside handle foot lights.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH
Remove the front door outside handle assembly LH.
Inspect the front door outside handle assembly LH.
| OK |
|---|
| Outside handle foot light illuminates. |
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH Click here |
| OK |
|
INSPECT FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH
Remove the front door outside handle assembly RH.
Inspect the front door outside handle assembly RH.
| OK |
|---|
| Outside handle foot light illuminates. |
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH - BODY GROUND)
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH - FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH) |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
CHECK REAR DOOR OUTSIDE HANDLE ASSEMBLY LH
Disconnect the P4 rear door outside handle assembly LH connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
*: Refer to System Description for the illumination conditions of the outside handle foot lights.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT REAR DOOR OUTSIDE HANDLE ASSEMBLY LH
Remove the rear door outside handle assembly LH.
Inspect the rear door outside handle assembly LH.
| OK |
|---|
| Outside handle foot light illuminates. |
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE REAR DOOR OUTSIDE HANDLE ASSEMBLY LH Click here |
| OK |
|
INSPECT REAR DOOR OUTSIDE HANDLE ASSEMBLY RH
Remove the rear door outside handle assembly RH.
Inspect the rear door outside handle assembly RH.
| OK |
|---|
| Outside handle foot light illuminates. |
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE REAR DOOR OUTSIDE HANDLE ASSEMBLY RH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (REAR DOOR OUTSIDE HANDLE ASSEMBLY RH - BODY GROUND)
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR (REAR DOOR OUTSIDE HANDLE ASSEMBLY LH - REAR DOOR OUTSIDE HANDLE ASSEMBLY RH) |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |