Opel Frontera UE. Manual - part 485

8D–80

WIRING SYSTEM

Circuit Diagram–1

D08RX192

8D–81

WIRING SYSTEM

Circuit Diagram–2

D08RX191

8D–82

WIRING SYSTEM

Parts Location

D08RWD00–1

Legend

(1) X–1, X–2
(2) C–36
(3) H–13, H–14, H–32
(4) Relay & Fuse Box
(5) I–5
(6) I–10
(7) Lighting Switch
(8) I–32 (Combination Switch)
(9) B–8

(10) C–16

(11) C–22

(12) Fog Light – LH
(13) C–21
(14) Head Light – LH
(15) C–10
(16) C–17
(17) Fog Light – RH
(18) Head Light – RH

8D–83

WIRING SYSTEM

Diagnosis

Both Headlights Inoperative

Step

Action

Value(s)

Yes

No

1

Check the ground terminal B–8.

Is B–8 grounded securely?

—

Go to Step 2

Ground it

securely

2

Disconnect the combination switch connector I–32.

Is there continuity between switch side connector I–32
terminals 9 and 2 with the switch turned to headlight
position?

—

Go to Step 2 

Replace the

switch

3

Check continuity of dimmer-passing switch.

Is there continuity between switch side connector I–32
terminal 5 and 4 with the switch turned to low position,
and terminal 1 and 4 with the switch turned to high
position?

—

Go to Step 3 

Replace the

switch

4

Check continuity between the lighting switch and the
ground B–8.

Is there continuity between harness side connector
I–32 terminal 2 and the ground?

—

Go to Step 5

Repair an

open circuit

5

Remove the lighting relay from the relay and fuse box.

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

Approx. 12V

Go to Step 6

Repair an

open circuit

between

battery and

the lighting

relay

6

Check continuity between the lighting relay and the
lighting switch.

Is there continuity between harness side connector
X–1 terminal 4 and I–32 terminal 9?

—

Go to Step 7

Go to Step 6

7

Check continuity between the lighting relay and fuse
F–8 or F–9.

Is there continuity between harness side connector
X–1 terminal 3 and fuse F–8 or F–9?

—

Go to Step 8

Repair an

open circuit

8

Check continuity between the dimmer-passing switch
and the ground.

Is there continuity between switch side connector I–32
terminal 4 and the ground B–8?

—

Repair an

open circuit

—

Headlight On The Left (or Right) Side Inoperative

Step

Action

Value(s)

Yes

No

1

Is the fuse F–8 or F–9  normal?

—

Go to Step 2

Replace the

fuse

2

Remove the headlight bulb on the left or right side.

Is the bulb normal?

—

Go to Step 3

Replace the

bulb

3

1. Reinstall the bulb.
2. Turn the lighting switch to headlight position.

Is the battery voltage applied between harness side
connector C–21 terminal 3 and the ground or C–10
terminal 3 and the ground?

Approx. 12V

Reconnect

the headlight

connector

securely

Repair an

open circuit

between the

fuse and

headlight