Isuzu Rodeo UE. Service manual - part 564

8D–104

WIRING SYSTEM

Diagnosis

Turn Signal Light Does Not Flash

Step

Action

Value(s)

Yes

No

1

Is fuse (15A) normal?

—

Go to Step 2

Replace the

fuse

2

Is the flasher unit normal?

—

Go to Step 3

Replace the

flasher unit

3

1. Disconnect the connectors of the hazard warning

switch.

2. Turn the starter switch on.

Is the battery voltage applied between the hazard
warning switch harness side connector I-11 terminals 3
and the ground?

—

Go to Step 4

Repair poor

connection at

the

connectors or

an open

circuit

between the

fuse (15A)

and I-11

terminals 3

4

Set the hazard warning switch turned off.

Is there continuity between the switch I-11 terminals 4
and 3?

—

Go to Step 5

Repair or

replace the

switch

5

Disconnect the connectors of the flasher unit.

Is the battery voltage applied between the flasher unit
harness side connector I-47 terminal 2 and the ground?

—

Go to Step 6

Repair a poor

connection at

the

connectors or

an open

circuit

between the

harness side

connectors

I-11 terminal

3 and I-47

terminal 2

6

Is B-8 terminal ground securely?

—

Go to Step 7

Ground it

securely

7

Is there continuity between the harness side I-47
terminal 2 and  B-8 terminal?

—

Go to Step 8

Repair a poor

connection at

the

connectors or

an open

circuit

between I-47

terminal 2

and B-8
terminal

8

Disconnect the connectors at the turn signal light
switch.

Is there continuity between the switch connectors I-32
terminal 6 and 7 (when turning to the left), and between
I-32 terminal 6 and  8 (when turning to the right)?

—

Go to Step 9

Repair or

replace the

switch

9

Repair a poor connection of the connectors or an open
circuit between the harness side connectors I-47
terminal 1 and  I-32 terminal 6.

Is the action complete?

—

Verify repair

—

8D–105

WIRING SYSTEM

Turn Signal Light Flashes Too Quickly

Reinstall or replace the bulb, repair an open circuit in the
circuit, or the ground connection.

Hazard Warning Lights Does Not Flash

Step

Action

Value(s)

Yes

No

1

Is fuse (15A) normal?

—

Go to Step 2

Replace the

fuse

2

Is the hazard warning switch normal?

—

Go to Step 3

Replace the

hazard

warning

switch

3

Repair a poor connection of the connectors or an open
circuit between the harness side connectors I-11
terminal 5 and 14 fuse (15A)

Is the action complete?

—

Verify repair

—

8D–106

WIRING SYSTEM

Stoplight

General Description

The circuit consists of stoplight, high mounted stoplight
and stoplight switch or brake switch.
With brake pedal depressed, stoplight switch or brake
switch is turned to on to illuminate stoplight.
Brake switch controls not only the operation of stoplight
but also the input of cruise cancel signals to cruise control
unit.

8D–107

WIRING SYSTEM

Circuit Diagram

D08RW038