O

B125793E04

(a) Disconnect the B4 and B6 headlight bulb connectors.

(b) Measure the voltage. Standard voltage

Tester Connection

Condition

Specified Condition

B4-3 - Body ground

Always

11 to 14 V

B6-3 - Body ground

Always

11 to 14 V

(c) Reconnect the headlight bulb connectors.

REPAIR OR REPLACE HARNESS OR CONNECTOR

INSPECT HEADLIGHT DIMMER SWITCH

Component Side:

Headlight Dimmer Switch

ED T1

ED T1

(a) Remove the headlight dimmer switch.

(b) Inspect the light control switch. (1) Measure the resistance.

Standard resistance

(d) Reinstall the headlight dimmer switch.

REPLACE HEADLIGHT DIMMER SWITCH

Tester Connection

Condition

Specified Condition

10 (T1) - 13 (B1)

TAIL

Below 1 Q

10 (T1) - 13 (B1)

HEAD

Below 1 Q

10 (T1) - 13 (B1)

OFF

10 kQ or higher

11 (ED) - 12 (RF)

HEAD

Below 1 Q

11 (ED) - 12 (RF)

OFF

10 kQ or higher

(c) Inspect the headlight dimmer switch. (1) Measure the resistance. Standard resistance

Tester Connection

Condition

Specified Condition

9 (HU) - 11 (ED)

FLASH

Below 1 Q

8 (HL) - 11 (ED)

LOW BEAM

Below 1 Q

9 (HU) - 11 (ED)

HI BEAM

Below 1 Q

CHECK HARNESS AND CONNECTOR (HEADLIGHT - HEADLIGHT DIMMER SWITCH)

Wire Harness Side:

Headlight Dimmer Switch Connector

1

2

üt

H

3

4

5

6

7

8 9 1

0 11

12

Front View

(a) Disconnect the D4 headlight dimmer switch connector.

(b) Measure the voltage. Standard voltage

Tester Connection

Condition

Specified Condition

D4-8 (HL) - Body ground

Always

11 to 14 V

D4-9 (HU) - Body ground

Always

11 to 14 V

(c) Reconnect the headlight dimmer switch connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Illumination Circuit

DESCRIPTION

The main body ECU receives information regarding the door courtesy switch and door lock position switch, and turns on the room light assembly.

WIRING DIAGRAM

Main Body ECU

Main Body ECU

How Procedure Inspection Fuse

INSPECTION PROCEDURE

INSPECT FUSE (DOME)

(a) Remove the DOME fuse from the engine room relay block.

(b) Measure the resistance. Standard resistance:

Below 1 Q

(c) Reinstall the DOME fuse.

REPLACE FUSE

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