Toyota 4Runner manuals

Toyota 4Runner: 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.


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

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)


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR


OK

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.

(c) Measure the resistance according to the value(s) in the table below.

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


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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