Isuzu Rodeo UE. Manual - part 566

8D–112

WIRING SYSTEM

Circuit Diagram

D08RW036

8D–113

WIRING SYSTEM

Parts Location

D08RW112

Legend

(1) B–9
(2) Backup Light – RH
(3) Backup Light – LH
(4) B–13
(5) H–1, H–17

(6) Mode SW
(7) M–16
(8) H–10, H–11
(9) M–8, M–9

(10) Backup Light SW

8D–114

WIRING SYSTEM

Diagnosis

Both Backup Lights Inoperative

Step

Action

Value(s)

Yes

No

1

Is fuse 14 (15A) normal?

—

Go to Step 2

Replace the

fuse

2

Is B-8 terminal ground securely?

—

Go to Step 3

Replace the

securely

3

Turn the starter sw on.

Is the battery voltage applied between the move sw (or
backup light sw) harness side connector M-16 terminal
5 (M-8 terminal 1) and the ground?

—

Go to Step 4

Repair poor

connection at

connectors or

an open

circuit

between the
fuse 6 (15A)

and M-16

terminal 5 or

(M-8 terminal

1)

4

1. Set the transmission gear to the reverse position.
2. Disconnect the mode sw (or backup light sw)

connector.

Is there continuity between switch side connectors
M-16 terminal 2 and 5 (M-5 terminal 1 and M-9 terminal
1)

—

Go to Step 5

Replace the

stoplight sw

5

Repair a poor connection at the connectors or an open
circuit between M-16 terminal 2 (M-9 terminal 1) and
H-15 terminal 12)

—

—

Replace the

stoplight sw

NOTE: Connectors inparenthesis “( )” indicates the
model with manual transmission.

Backup Light On The Left (or Right) Side Inoperative

Step

Action

Value(s)

Yes

No

1

Is the backup light bulb on the lift (or right) side normal?

—

Go to Step 2

Replace the

bulb

2

Is there any continuity between the backup light
harness side connectors B-13 terminal 5 (B-9 terminal
5) and H-15 terminal 12?

—

Go to Step 3

Replace a

poor

connection at

connectors or

an open

circuit in the

circuit

3

Repair a poor connection at connectors or an open
circuit between backup light harness side connector
B-13 terminal 4 (B-9 terminal 4) and B-8 terminal (B-6
terminal )

Is the action complete?

—

Verify repair

—

NOTE: Connectors inparenthesis “( )” indicates the
model with manual transmission.

Backup Lights Remain On

Step

Action

Value(s)

Yes

No

1

Repair or replace the mode sw (backup light sw)

Is the action complete?

—

Verify repair

—

8D–115

WIRING SYSTEM

Horn

General Description

The circuit consists of horn (high note), horn (low note),
horn relay and horn switch.
When horn switch is pushed, (independent of position of
starter switch) horn relay is activated to sound horns.