Inspection Procedure 4: The Luggage Compartment Lamp does not Illuminate Normally. <Vehicles with Keyless Entry System>


caution Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.


























COMMENTS ON TROUBLE SYMPTOM


If the luggage compartment lamp does not turn on and off normally, wiring harness connector(s) or the bulb may be defective.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE


STEP 1. SWS monitor data list


<Selected item> ETACS ECU
Item No.
 Item name
 Normal condition
Item 32
 FRONT DOOR SW
 ON
OK: Normal condition is displayed.

Q. Is the check result normal?

Go to Step 2.

Refer to ETACS - Input Signal Chart .

STEP 2. ETACS switch data by using the SWS monitor


Check the ETACS-ECU signals related to the illumination of the luggage compartment lamp.

Item No.
 Item name
 Normal condition
Item 03
 Key reminder switch
 OFF

Item No.
 Item name
 Normal condition
Item 05
 Passenger’s door switch
 from OFF to ON

Item No.
 Item name
 Normal condition
Item 07
 Rear and back gate door switch
 from OFF to ON

Item No.
 Item name
 Normal condition
Item 41
 Rear door (right side) switch
 from OFF to ON

Item No.
 Item name
 Normal condition
Item 42
 Rear door (left side) switch
 from OFF to ON

Item No.
 Item name
 Normal condition
Item 22
 Dr door lock actuator unlock SW
 from ON to OFF

Item No.
 Item name
 Normal condition
Item 31
 Room lamp ALL ON switch
 ON

Item No.
 Item name
 Normal condition
Item 32
 Room lamp ALL OFF switch
 ON
OK: Normal conditions displayed for all the items.

Q. Is the check result normal?

YES (Normal conditions are displayed for all the items) : Go to Step 3.

NO (Normal condition is not displayed for item No.03) : Refer to ETACS - Input Signal Chart .

NO (Normal condition is not displayed for item No.05, 07, 41or 42) : Refer to ETACS - Input Signal Chart .

NO (Normal condition is not displayed for item No.22) : Refer to ETACS - Input Signal Chart .

NO (Normal condition is not displayed for item No.31or 32) : Refer to ETACS - Input Signal Chart .

STEP 3. Connector check: E-107 luggage compartment lamp connector


Q. Is the check result normal?

Go to Step 4.

Repair the defective connector.

STEP 4. Check the bulb of the luggage compartment lamp.


Check that the luggage compartment lamp bulb are not burned out.

Q. Is the check result normal?

Go to Step 5.

Replace the luggage compartment lamp bulb.

STEP 5. Check the lugggage compartment lamp switch.


Check which position (ON or DOOR) of the luggage compartment lamp switch does not activate the relevant lamp.

Q. Which switch position does not activate the lamp?

YES (All of the lamps illuminate normally) : The procedure is complete.

NO (The lamp does not illuminates at neither the ON nor DOOR position) : Go to Step 6.

NO (The lamp does not illuminate at the DOOR position) : Go to Step 8.

NO (The lamp does not illuminate at the ON position) : Go to Step 10.

STEP 6. Connector check: D-419 ETACS-ECU connector


Q. Is the check result normal?

Go to Step 7.

Repair the defective connector.

STEP 7. Check the wiring harness from D-419 ETACS-ECU connector terminal No.6 to E-107 luggage compartment lamp connector terminal No.3.


note Prior to the wiring harness inspection, check intermediate connector D-130, E-128, joint connector D-34 and junction block connector D-410, and repair if necessary.

Q. Is the check result normal?

Replace the luggage compartment lamp.

Repair the wiring harness.

STEP 8. Connector check: D-419 ETACS-ECU connector


Q. Is the check result normal?

Go to Step 9.

Repair the defective connector.

STEP 9. Check the wiring harness from D-419 ETACS-ECU connector terminal No.5 to E-107 luggage compartment lamp connector terminal No.1.


note Prior to the wiring harness inspection, check intermediate connector D-130, E-128, joint connector D-34 and junction block connector D-410, and repair if necessary.

Q. Is the check result normal?

Replace the luggage compartment lamp.

Repair the wiring harness.

STEP 10. Check the wiring harness from E-107 luggage compartment lamp connector terminal No.2 to body earth.


note Prior to the wiring harness inspection, check intermediate connector E-128 and repair if necessary.

Q. Is the check result normal?

Replace the luggage compartment lamp.

Repair the wiring harness.