Opel Frontera UE. Manual - part 1661

8D–74

WIRING SYSTEM

Headlight Comes On With Lighting Switch At Parking Light Position

Step

Action

Value(s)

Yes

No

1

Repair or replace the lighting switch.

NOTE: There should be no continuity between switch
side connector I–32 terminal 9 and 2 when the switch is
turned to parking light position.

Is the action complete?

—

Verify repair

—

(While Headlight Is On In Low–Beam) Both Fog Lights Inoperative

Step

Action

Value(s)

Yes

No

1

Are the fuse F–10 and C–4 normal?

—

Go to Step 2

Replace the

fuse(s)

2

Is C–36 grounded securely?

—

Go to Step 3

Ground it

securely

3

Remove the foglight relay.

Is the battery voltage applied between harness side
connector X–5 terminal 1 and the ground?

Approx. 12V

Go to Step 5

Go to Step 4

4

Repair an open circuit between Fuse F–10 and
connector X–5 terminal 1.

Is the action complete?

—

Go to Step 3

—

5

Is there continuity between harness side connector
X–5 terminal 3 and the ground?

—

Go to Step 7

Go to Step 6

6

Repair an open circuit between connector X–5 terminal
3 and the ground C–36.

Is the action complete?

—

Go to Step 5

—

7

1. Turn the lighting switch to clearance light position.
2. Turn the fog light switch on.

Is the battery voltage applied between harness side
connector X–5 terminal 5 and the ground?

Approx. 12V

Replace the

fog light relay

Go to Step 8

8

Disconnect the lighting switch connector I–32.

Is there continuity between the switch side connector
terminal  2 and 3?

—

Go to Step 9

Repair or

replace the

switch.

9

Disconnect the tail relay.

Is there continuity between harness side connector
I–21 terminal 3 and X–32 terminal 3?

—

Go to Step 10

Repair an

open circuit

10

Is the battery voltage applied between harness side
connector X–21 terminal 2, 4 and the ground?

Approx. 12V

Go to Step 12

Go to Step 11

11

Repair an open circuit between the fuse C–4 and
connector X–21 terminal 2 or 4.

Is the action complete?

—

Go to Step 10

—

12

1. Disconnect the fog light switch.
2. Turn the switch on.

Is there continuity between the switch terminal 3 and 4?

—

Go to Step 13

Repair or

replace  the

switch

13

Is there continuity between harness side connector I–5
terminal 4 and connector X–21 terminal 1?

—

Go to Step 14

Repair an

open circuit

14

Is there continuity between harness side connector I–5
terminal 3 and connector X–5 terminal 5?

—

Replace the

tail relay

Repair an

open circuit

SECTION

8D–75

WIRING SYSTEM

(While Headlight Is On In Low–Beam) Fog Light On the Left (or Right) Side Inoperative

Step

Action

Value(s)

Yes

No

1

Is the fog light bulb on the left or right side normal?

—

Go to Step 2

Replace the

bulb

2

Disconnect the fog light connector C–22 or C–17.

Is there continuity between the fog light harness side
connector terminal 2 and the ground?

—

Go to Step 3

Repair an

open circuit

3

Repair an open circuit between fog light relay
connector X–5 terminal 2 and fog light connector
terminal 1.

Is the action complete?

—

Verify repair

—

SECTION

8D–76

WIRING SYSTEM

Clearance Light, Tail Light and License Plate Light

General Description

The circuit consists of lighting switch, clearance light, tail
light and license plate light.
All these lights come on when lighting switch is turned on
with the switch to either parking or headlight position.

SECTION

8D–77

WIRING SYSTEM

Circuit Diagram–1

D08R100223

SECTION