DESCRIPTION
The main body ECU receives information regarding the door lock position switches, door courtesy switches and engine switch to control the footwell lights.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
PERFORM ACTIVE TEST USING INTELLIGENT TESTER
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Main Body / Active Test.
Check the operation.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Step Light Operation | Footwell light LH and RH | ON/OFF | - |
| OK |
|---|
| Footwell lights come on. |
| NG |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BATTERY) Click here |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BATTERY)
Disconnect the G50 main body ECU connector.
Measure the voltage according to the value(s) in the table.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE MAIN BODY ECU Click here