No

Step 10

Replace the headlamp relay with the high beam relay.

(a)

Is the headlamp working properly after the relay
replacement?

No

Go to step 12

Yes

Step 11

Install a new headlamp relay.

(a)

Return the headlamp relay to its original position and install
a new high beam relay.

Is the headlamp working properly?

Yes

System normal

No

Step 12

Measure resistance between headlamp harness connector CA12/CA18 terminals No.5 and the body ground.

Front Headlamp Harness Connector CA12/18

FE11-5315b

(a)

Disconnect the headlamp wiring harness connector CA12/
CA18.

(b)

Measure resistance between headlamp harness connector
CA12/CA18 terminals No.5 and the body ground.
Standard Resistance: Less than 1 Ω

Is the resistance specified value?

Yes

Go to step 14

No

Step 13

Repair the open circuit between headlamp harness connector CA12/CA18 and the body ground.

(a)

Confirm the open circuit between headlamp harness
connector CA12/CA18 and the body ground repair is
completed.

Is the headlamp working properly?

Yes

System normal

No

Step 14

Check the fuse IF22.

Body Electric

Lighting System

11-81

IF14

IF2

IF1

IF5

IF7

IF3

IF16

IF27

IF25

IF26

IF28

IF30

IF24

IF20

IF19

IF23

IF18

IF21

IF13

IF12

IF15

IF9

IF10

IF8

F17

F22

M

FE11-5304b

(a)

Check the fuse IF22.
Fuse Rating: 10 A

Is the fuse IF22 blown?

No

Go to step 17

Yes

Step 15

Check fuse IF22 circuit.

(a)

Check fuse IF22 for short circuit.

(b)

Repair the circuits. Confirm that there are no short circuits.

(c)

Replace with fuses with rated current.

Is the headlamp working properly?

Yes

System normal

No

Step 16

Measure headlamp switch wiring harness connector IP18 terminal No.16 voltage.

1

9

2

10 11 12 13 14 15 16 17

3

4 5 6

7

8

Left Headlamp Harness Connector IP18

FE11-5308b

(a)

Measure headlamp switch wiring harness connector IP18
terminal 16 voltage.
Standard Voltage: 11-14 V

Is the Is the voltage normal?

Yes

Go to step 18

No

Step 17

Repair open circuit between fuse IF22 and headlamp switch wiring harness connector IP18 terminal No.16.

(a)

Confirm open circuit between fuse IF22 and headlamp switch
wiring harness connector IP18 terminal No.16 repair is
completed.

Is the headlamp working properly?

11-82

Lighting System

Body Electric

Yes

System normal

No

Step 18

Check headlamp switch wiring harness connector IP18 terminal No.13 voltage.

1
9

2

10 1112131415 16 17

3

4 5 6 7 8

Left Headlamp Harness Connector IP18

FE11-5305b

(a)

Turn on headlamps, measure headlamp switch harness
connector IP18 terminal No.13 voltage with a multimeter.
Standard Voltage: 11-14 V

Is the voltage specified value?

Yes

Go to step 20

No

Step 19

Replace the headlamp switch.

(a)

Refer to 

11.4.8.1

 

Headlamp Switch Replacement

.

Are headlamps working properly?

Yes

System normal

No

Step 20

Check circuit between headlamp relay F terminal No.85 and headlamp switch connector IP18 terminal No.
13.

1413 12 1110

5

1

2

3

4

6

7

8

9

G

D

C

B

E

F

A

86

86

30

87

85

86

86

87

87

87

30

30

30

85

85

85

2

2

3

3

5

5

1

1

1

2

5 3

EF06

EF02

EF30

EF05

EF16

EF04

EF03

EF15

EF12

EF10

EF1

1

EF09

EF13

EF14

FE11-5306b

(a)

Confirm headlamp relay terminal No.86 ground is intact.

(b)

Check and repair headlamp relay terminal No.85 and the
headlamp switch connector IP18 terminal No.13 circuit
malfunction.

Confirm the repair completed.

Next

Step 21

System normal.

Body Electric

Lighting System

11-83

11.4.7.4 High Beam Inoperative

Schematic:

11

09

10

08

3

2

1

5

Low 

Beam 

Relay

From Battery

High 

Beam 

Relay

Right Low Beam

Right 

High 

Beam

Left 

Low 

Beam

Left High Beam

FE11-5316b

Diagnostic Steps:

Step 1

Check the left front or right front high beam bulb.

(a)

Remove the left front or right front high beam bulb.

Is the the bulb filament blown?

No

Go to step 3

Yes

Step 2

Replace the faulty bulb.

(a)

Replace the faulty bulb.

Are high beam lamps working properly?

Yes

System normal

No

Step 3

Check fuses EF08 and EF09.

11-84

Lighting System

Body Electric