LIGHTING SYSTEM > Luggage Room Light Circuit

for Preparation Click here


DESCRIPTION

The No. 1 junction block assembly receives luggage room door information, and turns on the luggage compartment lights.

WIRING DIAGRAM


E109572E02


INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST BY INTELLIGENT TESTER
  1. Select the Active Test, use the intelligent tester to generate a control command, and then check that the room light (luggage) illuminates.

    Cowl side junction block ECU LH:

    Item
    Test Details
    Diagnostic Note
    Luggage Light control
    Luggage light control ON / OFF
    -

    OK:
    Luggage room light illuminates.



OK
Go to step 2
NG

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

2.INSPECT FUSE (RR-B)
  1. Remove the RR-B fuse from the No. 1 junction block assembly.

  1. Measure the resistance of the fuse.

    Standard resistance:
    Below 1 Ω



NG
REPLACE FUSE
OK


3.REPLACE ROOM LIGHT (LUGGAGE)
  1. Temporarily replace the room light (luggage) with a new or normally functioning one.

  1. Turn the room light switch ON.

  1. Check that the light illuminates.

    OK:
    Room light illuminates.



OK
END
NG


4.CHECK WIRE HARNESS (COWL SIDE JUNCTION BLOCK ECU LH - BATTERY)


    E108736E04
  1. Disconnect the W3 ECU connector.

  1. Measure the voltage of the wire harness side connector.

    Standard voltage:
    Tester Connection
    Condition
    Specified Condition
    W3-3 (LGCY) - Body ground
    Room light switch ON
    10 to 14 V
    W3-3 (LGCY) - Body ground
    Room light switch OFF
    0 V



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


5.INSPECT LUGGAGE DOOR CLOSER (LUGGAGE DOOR COURTESY SWITCH)
Inspection (Click here)

OK:
Luggage door closer (luggage door courtesy switch) is normal.



NG
REPLACE LUGGAGE DOOR CLOSER
OK


6.CHECK WIRE HARNESS (COWL SIDE JUNCTION BLOCK ECU LH - LUGGAGE DOOR CLOSER - BODY GROUND)


    E108591E04
  1. Disconnect the W3 ECU connector.

  1. Disconnect the a5 closer connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    Tester Connection
    Specified Condition
    W3-8 (CCTY) - a5-4 (CTY)
    Below 1 Ω
    W3-8 (CCTY) or a5-4 (CTY) - Body ground
    10 kΩ or higher
    a5-3 (E) - Body ground
    Below 1 Ω



NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE