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
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