2007 ISUZU KB P190 relay

ELECTRICAL-BODY AND CHASSIS 8A-231
2. Turn signal light does not light on one side (RH or LH)

Checkpoint Trouble Cause Countermeasure



Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG
(LH)
Continuity between
1
C25 - 6 B60 (FRT),
1
C35 - 6 B60 (SIDE)
1
F6 - 6 B60 (RR)
(RH)
Continuity between
1
C22 - 7 B60 (FRT),
1
C1 - 7 B60 (SIDE)
1
F5 - 7 B60 (RR)

Repair or replace the
combination switch

Turn signal switch continuity

Poor switch point contact or
faulty switch

NG
OK
OK

Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG



3. Hazard warning light does not light



Repair or replace the hazard
SW .

Hazard SW . malfunction

NG
Voltage between 5
B16 -
ground (Should be battery
voltage present)

Hazard SW . continuity


Reinstall or replace the fuse
No. EB-16 (10A)

Fuse No. EB16 (10A, Relay
and fuse box)

Poor fuse contact or blown
fuse

NG
OK
OK

Repair open circuit or
connector contact
Open circuit or poor
connector contact between
fuse No. EB16 (10A) -
5
B16
NG



4. Flashing rate too fast (One side)

Replace the bulb or repair
open circuitInspect bulbBurned out bulb
NG


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ELECTRICAL-BODY AND CHASSIS 8A-233
HORN
1. Both sides of horn do not sound

Checkpoint Trouble Cause Countermeasure



Repair the grounding point

Poor ground contact

NG

Horn relay


Grounding point


Reinstall or replace fuse No.
EB15 (10A)

Fuse No EB15 (10A, Relay
and fuse box)

Poor fuse contact or blown
fuse

NG
OK
OK

Reinstall or replace the horn
relay

Poor relay contact or faulty
horn relay

NG
Voltage between connector
3
X3 - ground or 1 X3
- ground (Should be battery
v oltage present) OK

Repair open circuit or
reconnect the connector
Open circuit or poor connector
contact between fuse No.
EB15 (10A) and horn relay

NG

Remov e steering pad and
steering wheel
OK

Horn switch continuity
OK
Repair or replace the horn
switch

Poor switch point contact or
faulty switch

NG
Continuity between
5
X3 - 10 B60
2
X3 - 1 C20 (1 C21 )
OK

Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG



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8A-266 ELECTRICAL-BODY AND CHASSIS

CIRCUIT DIAGRAM C24SE (RHD) WITHOUT INTERMITTENT RELAY


RTW 780XF013101

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ELECTRICAL-BODY AND CHASSIS 8A-267

CIRCUIT DIAGRAM C24SE (RHD) WITH INTERMITTENT RELAY



RTW 780XF013201


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8A-268 ELECTRICAL-BODY AND CHASSIS

CIRCUIT DIAGRAM C24SE (LHD) WITHOUT INTERMITTENT RELAY


RTW 780XF013301

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ELECTRICAL-BODY AND CHASSIS 8A-269

CIRCUIT DIAGRAM C24SE (LHD) WITH INTERMITTENT RELAY


RTW 780XF013401


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8A-274 ELECTRICAL-BODY AND CHASSIS
2. Wiper dose not operate at “ INT “ position

Checkpoint Trouble Cause Countermeasure


Replace the wiper & washer
SW .

SW . malfunction

NG


Repair grounding point contact

Grounding point
C36 (RHD),

C2 (LHD)


Poor grounding point contact


Repair open circuit or
connector contact

Voltage between the
intermittent relay harness side
connector terminal 4
C3
and the ground at the “INT”
position (Should be battery
voltage present)

Open circuit or poor connector
contact

NG
NG
OK
OK
Continuity between the wiper
& washer SW connector
terminals 4
B59 and 2 B59
at the “ INT “ position

Replace the intermittent relay

Intermittent relay function

Relay malfunction

NG
OK



3. Wiper does not operate at “LO” position



Replace the wiper motor

W iper motor function
1. Disconnect the wiper & washer SW . connector
2. Turn the starter SW . on
3. Short-circuit between the wiper & washer SW .
harness side connector terminal 3
B59 and
5
B59 .
4. Check to see if the wiper
motor rotates at a low
speed

W iper motor malfunction

NG

Replace the wiper & washer
SW .

W iper & washer SW . function

SW . malfunction

NG
OK


BACK TO CHAPTER INDEX TO MODEL INDEXISUZU KB P190 2007

8A-276 ELECTRICAL-BODY AND CHASSIS
6. Auto-stop function of the wiper motor does not operate

Checkpoint Trouble Cause Countermeasure


Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG

Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG Continuity between the
intermittent relay harness side
connector 6
C3 and the
wiper motor harness side
connector 6
C4

Replace the intermittent relay

Relay malfunction

NG
Intermittent relay function


W iper motor function
1. Disconnect the wiper motor connector
2. Connect the motor connector 5
B59 to the
battery (+) terminal and
1
C4 to the (-) terminal,
and then change the
connection of the battery (+)
terminal to the connector
4
C4 while the motor
rotating at a low speed
3. Check to see if the wiper motor stops at the auto stop
position when connecting
the connector terminals
3
C4 and 1 C4 in this
condition
Continuity between the wiper
& washer SW . connector
terminals 5
B59 and 6 B59
at the “OFF” position
OK

Replace the wiper motor

W iper motor malfunction

NG
Repair an open circuit or a
poor connection of the
connectors between the fuse
No. C9 (20A) and 4
C4
Voltage between the wiper
motor harness side connector
terminal 4
C4 and the
ground (Should be battery
v oltage present)

Open circuit or poor connector
contact

NG
OK
OK
OK



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TO MODEL INDEXISUZU KB P190 2007