ISUZU KB P190 2007 Workshop Repair Manual

ELECTRICAL-BODY AND CHASSIS 8A-473
DOOR MIRROR CONTROL SWITCH
1. Mirrors on the both sides do not operate

Checkpoint Trouble Cause Countermeasure


Reinstall or replace the fuse
No. C11 (10A)

Poor fuse contact or blown

NG


Repair grounding point
C2
contact

Grounding point
C2


Poor grounding point contact

Repair an open circuit or a
poor connection of the
connectors between the fuse
No. C11 (10A) and 4
D19
Voltage between the door
mirror control SW . harness
side connector terminal
4
D19 and the ground
(Should be battery voltage
present)

Open circuit or poor connector
contact

NG
NG
OK
OK
OK

Fuse No. C11 (10A, Fuse box)


Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG Continuity between the door
mirror control SW harness
side connector terminal
8
D19 and C2

Replace the door mirror
control SW .

Door mirror control SW .
function

SW . malfunction

NG
OK

Repair open circuit or
connector contact

Continuity between 7
D19
and 12
H36 (or 12 H37 )


Open circuit or poor connector
contact

NG
OK




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8A-474 ELECTRICAL-BODY AND CHASSIS
2. Mirror on the right side does not operate

Checkpoint Trouble Cause Countermeasure


Replace the door mirror
control SW .

SW . malfunction

NG


Repair or replace the door
mirror

Mirror function on the left (or
right) side

Mirror malfunction on the left
(or right)


Repair open circuit or
connector contact
Continuity between
7
D19 and 2 D7 (7 D19
and 2
D2 )


Open circuit or poor connector
contact

NG
NG
OK
OK

Door mirror control SW .
function




3. Mirrors on the both sides operate only in the vertical (or horizontal) direction

Replace the door mirror
control SW .SW . malfunction
NGDoor mirror control SW .
function




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ELECTRICAL-BODY AND CHASSIS 8A-475
4. Mirror on the left side operates only in the vertical (or horizontal) direction

Checkpoint Trouble Cause Countermeasure


Replace the door mirror
control SW .

SW . malfunction

NG


Repair or replace the door
mirror

Door mirror function

Door mirror malfunction


Repair open circuit or
connector contact
Continuity between
4
D19 and 4 D7 (10

D19 and 1 D2 )


Open circuit or poor connector
contact

NG
NG
OK
OK

Door mirror control SW .
function




5. Mirror on the right side operates only in the vertical (or horizontal) direction


Replace the door mirror
control SW .

Door mirror control
malfunction

NG


Repair or replace the door
mirror

Door mirror function

Door mirror malfunction


Repair open circuit or
connector contact
Continuity between
4
D19 and 4 D2 (10

D19 and 1 D2 )


Open circuit or poor connector
contact

NG
NG
OK
OK

Door mirror control SW .
function





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8A-476 ELECTRICAL-BODY AND CHASSIS
REMOVAL AND INSTALLATION



DOOR MIRROR CONTROL SWITCH
Removal
1. Disconnect the battery ground cable.
2. Door trim pad Assembly • Refer to section 10 “BODY” for door trim pad assembl
y
removal steps.
3. Door Mirror Control Switch
Remove the power window switch bezel. • Remove the screw.
• Disconnect the switch connector.
• To remove the switch panel assembly.



Installation
To install, follow the removal steps in the reverse order.




DOOR MIRROR
Removal and Installation
Refer to the DOOR MIRROR in section 10 “BODY”.



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ELECTRICAL-BODY AND CHASSIS 8A-477
INSPECTION AND REPAIR





Switch side
D19


Door Mirror Control Switch
1. Switch side Connector Circuit
Check continuity between the switch connector terminals while operating the door mirror control switch as shown in
the following table.





RTW 48AMF000601
MV, MH, b, and e terminals have internal connections (circuitry).
4-point switch (W ill not operate at intermediate positions.)





Harness side
D19


2. Harness Side Connector Circuit
Remove the connector No.
D19 of the mirror control
switch and check voltage and continuity of the harness side
connector.
• W hen there is no continuity at the terminal No. 2, 3, 9
and 10, it is considered that the circuit with terminal No.
7 (W /B) is defective.


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8A-478 ELECTRICAL-BODY AND CHASSIS

• W hen there is no continuity at either one of the circuit
No, 5, 7, 8, or 10, the motor in the mirror of the circuit o
r
the circuit itself is defective.
Terminal No. Wire
color Connection to Check item
Connecting
terminal Check condition Standard
7 W /B
LH mirror & RH
mirror Continuity 7-Ground - No continuity
4 R/Y Fuse C11 (10A) Voltage 4-Ground
Starter SW “ACC”
position Approx.
12V
10 W /R RH mirror-LH/RH 10-7 -
2 B/W RH mirror-Up/Down 2-7 -
3 B/R LH mirror-Up/Down Continuity 3-7 - Continuity
8 B Ground 8-Ground -
9 W /G LH mirror-LH/RH 9-7 -






Harness side
D19


Door Mirror
1. Door Mirror Control Switch Connector Circuit
Disconnect the switch connector
D19 , apply the battery
voltage to the harness side connector terminals and check
its function.
Connector
No. D19
Operating
Terminal
Mirror No. 9 10 7 3 2direction

+ - Left
- + Right
- +Up
+ -Down
+ - Left
- + Right
- + Up
+ - Down
Left
Right


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ELECTRICAL-BODY AND CHASSIS 8A-479




Door mirror side
D2 D7

2. Door Mirror Connector Circuit
Disconnect the door mirror connector, apply the batter
y
voltage to the door mirror side connector (
D2 and D7)
terminals and check its function.






Connector No.

D2 D7
Terminal No.
Operation 1 2 4
Up - +
Down + -
Left + -
Right - +



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8A-480 ELECTRICAL-BODY AND CHASSIS
REAR DEFOGGER
PARTS LOCATION (RHD)







RTW 78AXF040101 & RTW 78AXF046301

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ELECTRICAL-BODY AND CHASSIS 8A-481

PARTS LOCATION (LHD)






RTW 78AXF040201 & RTW 78AXF046401

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8A-482 ELECTRICAL-BODY AND CHASSIS

CIRCUIT DIAGRAM C24SE (RHD)


RTW 780XF014401

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