2004 ISUZU TF SERIES switch

ELECTRICAL-BODY AND CHASSIS 8A-323
INSPECTION AND REPAIR

B-8


Power Window Relay
Check continuity between the relay terminals.
2- 1......................... No continuity
(When battery voltage is applied between
3 and 4)
2- 1......................... Continuity






Harness side
D-20 D-5


Driver Seat Side Power Window & Door Lock
Switch
1. Harness Side Connector Circuit
Disconnect the switch connector, and check voltage and
continuity between the harness side connector terminals as
shown in the following table.


Terminal
No. Wire
color Connecting to Check item Connectin
g terminal Check condition Standard
6 G/R Power window
relay Voltage 6-Ground Starter SW “ON” Approx.
12V
7 BR/R
Power window
8 BR/W motor

3 B Ground Continuity 3-Ground - Continuity






Harness side
D-10


Front Passenger’s Power Window & Door Lock
Switch
1. Harness Side Connector Circuit
Disconnect the switch connector, and check voltage and
continuity between the harness side connector terminals as
shown in the following table.

Continuity
- 7-8 Continuity

8A-324 ELECTRICAL-BODY AND CHASSIS
Terminal
No. Wire
color Connecting to Check item Connectin
g terminal Check condition Standard
11 G/R Power window
relay Voltage 11-Ground Starter SW “ON” Approx.
12V
12 BR/R
Power window
10 BR/W motor

5 B Ground Continuity 5-Ground - Continuity






Harness side
D-12 D-16


Rear Power Window Switch-LH & RH
1. Harness Side Connector Circuit
Disconnect the switch connector, and check voltage and
continuity between the harness side connector terminals as
shown in the following tables.


D-12 (RR-LH)
Terminal
No. Wire
color Connecting to Check item Connectin
g terminal Check condition Standard
6 G/R Power window
relay Voltage 6-Ground Starter SW “ON” Approx.
12V
8 BR/R
Power window
7 BR/W motor

3 B Ground Continuity 3-Ground - Continuity
D-16 (RR-RH)
Terminal
No. Wire
color Connecting to Check item Connectin
g terminal Check condition Standard
6 G/R Power window
relay Voltage 6-Ground Starter SW “ON” Approx.
12V
8 BR/R
Power window
7 BR/W motor

3 B

4 B

Continuity - 12-10 Continuity
Continuity Continuity 8-7
-
Continuity Continuity 8-7
-
Ground Continuity
3-1
Continuity -

ELECTRICAL-BODY AND CHASSIS 8A-325




Harness side
D-5

Driver Seat Side Power Window Motor
1. Driver Seat Side Power Window & Door Lock Switch
Connector Circuit
Disconnect the switch connector, apply the battery voltage
(12V) to the harness side connector terminals and check
operation.

Connecting terminals
Operation
7 (BR/R) 8 (BR/W) direction
- + DOWN
+ - UP



2. Driver Seat Side Power Window Motor Connector
Circuit
Disconnect the switch connector, apply the battery voltage
(12V) to the motor side connector terminals and check
operation.

Connecting terminals
Operation
1 2 direction
+ - DOWN
- + UP

8A-326 ELECTRICAL-BODY AND CHASSIS




Harness side
D-10

Front Passenger’s Power Window Motor
1. Front Passenger’s Power Window Switch & Door Lock
Switch Connector Circuit
Disconnect the motor connector, apply the battery voltage
(12V) to the harness side connector terminals and check
operation.

Connecting terminals
Operation
12 (BR/R) 10 (BR/W) direction
- + DOWN
+ - UP


2. Front Passenger’s Power Window Motor Connector
Circuit
Disconnect the switch connector, apply the battery voltage
(12V) to the motor side connector terminals and check
operation.

Connecting terminals
Operation
1 2 direction
+ - DOWN
- + UP

ELECTRICAL-BODY AND CHASSIS 8A-327




Harness side
D-12

Rear Passenger’s Power Window Motor-LH
1. Rear Power Window Switch-LH Connector Circuit
Disconnect the motor connector, apply the battery voltage
(12V) to the harness side connector terminals and check
operation.

Connecting terminals
Operation
8 (BR/R) 7 (BR/W) direction
- + DOWN
+ - UP


2. Rear Power Window Motor-LH Connector Circuit
Disconnect the switch connector, apply the battery voltage
(12V) to the motor side connector terminals and check
operation.

Connecting terminals
Operation
1 2 direction
+ - DOWN
- + UP

8A-328 ELECTRICAL-BODY AND CHASSIS




Harness side
D-16

Rear Power Window Motor-RH
1. Rear Power Window Switch-RH Connector Circuit
Disconnect the motor connector, apply the battery voltage
(12V) to the harness side connector terminals and check
operation.

Connecting terminals
Operation
8 (BR/R) 7 (BR/W) direction
- + DOWN
+ - UP


2. Rear Power Window Motor-RH Connector Circuit
Disconnect the switch connector, apply the battery voltage
(12V) to the motor side connector terminals and check
operation.

Connecting terminals
Operation
1 2 direction
+ - DOWN
- + UP

ELECTRICAL-BODY AND CHASSIS 8A-341
TROUBLESHOOTING
QUICK CHART FOR CHECK POINT
Check Point Fuse
Door Mirror Door Mirror

Trouble Mode C-11
(10A) Control
Switch LH RH
1. Mirrors on the both sides do not operate
2. Mirror on the left (or right) side does not
operate
3. Mirrors on the both sides operate only in
the vertical
(or horizontal) direction





4. Mirror on the left side operates only in
the vertical

(or horizontal)direction



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



Cable
Harness

8A-342 ELECTRICAL-BODY AND CHASSIS
DOOR MIRROR CONTROL SWITCH
1. Mirrors on the both sides do not operate

Checkpoint Trouble Cause Countermeasure


Reinstall or replace the fuse
No. C-11 (10A)

Poor fuse contact or blown
NG

Repair grounding point
C-2
contact

Grounding point
C-2


Poor grounding point contact

Repair an open circuit or a
poor connection of the
connectors between the fuse
No. C-11 (10A) and 4
D-19
Voltage between the door
mirror control SW. harness
side connector terminal
4
D-19 and the ground
(Should be battery voltage
present)

Open circuit or poor connector
contact
NG NG OK
OK OK

Fuse No. C-11 (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
D-19 and C-2

Replace the door mirror
control SW.

Door mirror control SW.
function

SW. malfunction
NG OK

Repair open circuit or
connector contact

Continuity between 7
D-19
and 2
H-24 (or 2 H-25 )


Open circuit or poor connector
contact
NG OK