Toyota FJ Cruiser (GSJ 10, 15 series). Manual - part 285

LIGHTING  –  LIGHTING SYSTEM

LI–37

LI

(a) Disconnect the E20 headlight dimmer switch connector.
(b) Disconnect the E9 turn signal flasher relay connector.
(c) Measure the resistance.

Standard resistance

(d) Reconnect the headlight dimmer switch connector.
(e) Reconnect the turn signal flasher relay connector.

NG

OK

(a) Disconnect the E9 turn signal flasher relay connector.
(b) Measure the resistance.

Standard resistance

(c) Reconnect the turn signal flasher relay connector.

NG

OK

6

CHECK HARNESS AND CONNECTOR (TURN SIGNAL FLASHER RELAY - HEADLIGHT 
DIMMER SWITCH)

Wire Harness Side:

TL

TR

TB

EL

ER

E

Headlight Dimmer Switch Connector

Front View

Front View

Turn Signal Flasher Relay Connector

E9

E20

B136087E01

Tester Connection

Specified Condition

E20-2 (TB) - E9 -7 (E)

Below 1 

Ω

E20-2 (TB) or E9 -7 (E) - Body ground

10 k

Ω or higher

E20-1 (TL) - E9-5 (EL)

Below 1 

Ω

E20-1 (TL) or E9-5 (EL) - Body 

ground

10 k

Ω or higher

E20-3 (TR) - E9-6 (ER)

Below 1 

Ω

E20-3 (TR) or E9-6 (ER) - Body 

ground

10 k

Ω or higher

REPAIR OR REPLACE HARNESS OR 
CONNECTOR

7

CHECK HARNESS AND CONNECTOR (TURN SIGNAL FLASHER RELAY - BODY 
GROUND)

Turn Signal Flasher Relay Connector

Wire Harness Side:

E

Front View

E9

E120966E08

Tester Connection

Specified Condition

E9-7 (E) - Body ground

Below 1 

Ω

REPAIR OR REPLACE HARNESS OR 
CONNECTOR

REPAIR OR REPLACE HARNESS OR CONNECTOR (HEADLIGHT DIMMER SWITCH - BODY 
GROUND)

LI–38

LIGHTING  –  LIGHTING SYSTEM

LI

(a) Remove the front turn signal light.
(b) Apply battery voltage to the terminals and check that the 

front turn signal light illuminates.
Standard

(c) Reinstall the front turn signal light.

NG

OK

(a) Disconnect the E9 turn signal flasher relay connector.
(b) Disconnect the A16 and A20 front turn signal light 

connectors.

(c) Measure the resistance.

Standard resistance

(d) Reconnect the turn signal flasher relay connector.
(e) Reconnect the front turn signal light connectors.

NG

OK

8

INSPECT BULB (FRONT TURN SIGNAL LIGHT BULB)







Component Side:

Front Turn Signal Light*

*: LH or RH

B136088E01

Measurement Condition 

Standard

Positive battery - Terminal 3

Negative battery - Terminal 2

Front turn signal light illuminates

REPLACE BULB

9

CHECK HARNESS AND CONNECTOR (TURN SIGNAL FLASHER RELAY - FRONT TURN 
SIGNAL LIGHT)

Wire Harness Side:

LL

LR

Front View

Front View

E9

Turn Signal Flasher Relay Connector

Front Turn Signal Light Connector

*1: LH

*2: RH

A16

A20

*1

*2

B136089E01

Tester Connection

Specified Condition

E9-2 (LR) - A20-3

Below 1 

Ω

E9-2 (LR) or A20-3 - Body ground

10 k

Ω or higher

E9-3 (LL) - A16-3

Below 1 

Ω

E9-3 (LL) or A16-3 - Body ground

10 k

Ω or higher

REPAIR OR REPLACE HARNESS OR 
CONNECTOR

REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT TURN SIGNAL LIGHT - BODY 
GROUND)

LIGHTING  –  LIGHTING SYSTEM

LI–39

LI

(a) Remove the rear turn signal light. 
(b) Apply battery voltage to the terminals and check that the 

rear turn signal light illuminates.
Standard

(c) Reinstall the rear turn signal light.

NG

OK

(a) Disconnect the E9 turn signal flasher relay connector.
(b) Disconnect the L12 and L15 rear turn signal light 

connectors.

(c) Measure the resistance.

Standard resistance

(d) Reconnect the turn signal flasher relay connector.
(e) Reconnect the rear turn signal light connectors.

NG

OK

10

INSPECT BULB (REAR TURN SIGNAL LIGHT BULB)

1

2

Component Side:

Rear Turn Signal Light*

*: LH and RH

B136090E01

Measurement Condition 

Standard

Positive battery - Terminal 1

Negative battery - Terminal 2

Rear turn signal light illuminates

REPLACE BULB

11

CHECK HARNESS AND CONNECTOR (TURN SIGNAL FLASHER RELAY - REAR TURN 
SIGNAL LIGHT)

1

2

Wire Harness Side:

LR

LL

Rear Turn signal Light Connector

Front View

*1: LH

*2: RH

Front View

Turn Signal Flasher Relay Connector

E9

L15

L12 *

1

*

2

B136053E02

Tester Connection

Specified Condition

E9-2 (LR) - L15-1

Below 1 

Ω

E9-2 (LR) or L15-1 - Body ground

10 k

Ω or higher

E9-3 (LL) - L12-1

Below 1 

Ω

E9-3 (LL) or L12-1 - Body ground

10 k

Ω or higher

REPAIR OR REPLACE HARNESS OR 
CONNECTOR

REPAIR OR REPLACE HARNESS OR CONNECTOR (REAR TURN SIGNAL LIGHT ASSEMBLY - 
BODY GROUND)

LI–40

LIGHTING  –  LIGHTING SYSTEM

LI

DESCRIPTION

When the hazard warning switch is turned on, the turn signal flasher relay turns on to flash the hazard 
warning signal lights.

WIRING DIAGRAM

INSPECTION PROCEDURE

(a) Connect the intelligent tester with CAN VIM to the DLC3.
(b) Turn the ignition switch ON.
(c) Turn the intelligent tester main switch on.
(d) Select the item below in the ACTIVE TEST and then 

check the relay operation.

BODY

OK:

All turn signal lights flash.

OK

Hazard Warning Switch Circuit

1

PERFORM ACTIVE TEST BY INTELLIGENT TESTER

Hazard Warning 
Switch

Air Conditioning 
Amplifier

Turn Signal Flasher 
Relay

To Main Body ECU

HAZ

TRN-HAZ

B

LR

LL

Battery

To Right Side Turn Signal Light

To Left Side Turn Signal Light

B136095E01

Item

Test Details/Display (Range)

Diagnostic Note

HAZARD

HAZARD ON/OFF

-

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