Toyota 4Runner: Luggage Room Light Circuit

Toyota 4Runner Service Manual / Vehicle Interior / Lighting (int) / Lighting System / Luggage Room Light Circuit

DESCRIPTION

The multiplex network door ECU controls the spot light.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses and bulbs for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.	PERFORM ACTIVE TEST USING TECHSTREAM (SPOT LIGHT)

(a) Using the Techstream, perform the Active Test (See page ).

Back Door

Tester Display	Test Part	Control Range	Diagnostic Note
Luggage Compartment Light	Spot light	ON/OFF	-

OK:

Spot light comes on.

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

2.	CHECK HARNESS AND CONNECTOR (BATTERY - MULTIPLEX NETWORK DOOR ECU)

(a) Disconnect the V2 multiplex network door ECU connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
V2-17 (B1) - Body ground	Always	11 to 14 V

Text in Illustration

*a	Front view of wire harness connector (to Multiplex Network Door ECU)

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.	CHECK HARNESS AND CONNECTOR (SPOT LIGHT ASSEMBLY - MULTIPLEX NETWORK DOOR ECU)

(a) Disconnect the W12 or W7 spot light connector.

(b) Disconnect the W10 multiplex network door ECU connector.

Standard Resistance:

for LH

Tester Connection	Condition	Specified Condition
W12-1 (B) - W10-25 (B2)	Always	Below 1 Ω
W12-3 (CTY) - W10-22 (LGLP)	Always	Below 1 Ω
W12-2 (E) - W10-19 (E1)	Always	Below 1 Ω
W12-1 (B) - Body ground	Always	10 kΩ or higher
W12-3 (CTY) - Body ground	Always	10 kΩ or higher
W12-2 (E) - Body ground	Always	10 kΩ or higher

for RH

Tester Connection	Condition	Specified Condition
W7-1 (B) - W10-26 (B3)	Always	Below 1 Ω
W7-3 (CTY) - W10-23 (LGP2)	Always	Below 1 Ω
W7-2 (E) - W10-20 (E2)	Always	Below 1 Ω
W7-1 (B) - Body ground	Always	10 kΩ or higher
W7-3 (CTY) - Body ground	Always	10 kΩ or higher
W7-2 (E) - Body ground	Always	10 kΩ or higher

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

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