Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 1238

8-292  ELECTRICAL-BODY AND CHASSIS 

TROUBLE SHOOTING 

QUICK CHART FOR CHECK POINTS 

 

 

Check Points 

 

Trouble Mode 

 

 

 

Power Window & Door 
Lock Switch 

Power Window 
Switch 

Power Window Motor 

 

  

 

 

 

Driver’s 

Side 

Passenger’s 

Side 

RR-LH

RR-

RH 

Driver’s 

Side 

Passenger’s 

Side 

RR-LH

RR-

RH 

 

All windows will not operate 

 

 

 

 

 

 

 

 

 

 

 

 

Lock SW does not function 

 

 

 

 

 

 

 

 

 

 

 

 

Driver’s 

Window: 

      

     

     

  Window does not operate 

 

 

 

 

 

 

 

 

 

 

 

 

  One-touch operation for 

“DOWN” movement will not 
operate 

 

 

 

 

 

 

 

 

 

 

 

 

 

  Window operates in only 

one direction 

 

 

 

 

 

 

 

 

 

 

 

 

Front window on passenger 
seat side: 

 

 

 

 

 

 

 

 

 

 

 

 

  Window does not operate 

 

 

 

 

 

 

 

 

 

 

 

 

  Window does not operate 

when operating the driver’s 
SW 

 

 

 

 

 

 

 

 

 

 

 

 

  Window does not operate 

when operating the 
passenger’s SW 

 

 

 

 

 

 

 

 

 

 

 

 

  Window does operate in 

only one direction when 
operating the driver’s SW 

 

 

 

 

 

 

 

 

 

 

 

 

  Window does operate in 

only one direction when 
operating the passenger’s 
seat side SW 

 

 

 

 

 

 

 

 

 

 

 

 

Rear window on left (or right) 
side: 

 

 

 

 

 

 

 

 

 

 

 

 

  Window on left (or right) 

side does not operate 

 

 

 

 

 

 

 

 

 

 

 

 

  Window does not operate 

when operating the driver’s 
SW 

 

 

 

 

 

 

 

 

 

 

 

 

  Window does operate in 

only one direction when 
operating the driver’s SW 

 

 

 

 

 

 

 

 

 

 

 

 

  Window does operate in 

only one direction when 
operating the RR-LH (or 
RH) side SW 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable 

Harness

Relay; 
Power 

Window

 

Circuit 

Breaker 

(30A)

 

Fuse 

CB-11 

(15A)

 

ELECTRICAL-BODY AND CHASSIS  8-293 

GAS EXCEPT IGM W/SRS MODEL 

1.  All windows do not operate 
 

Checkpoint  

Trouble 

Cause 

 

Countermeasure 

 

Reinstall or replace the fuse
No. CB-11 (15A)

Poor fuse contact or blown

NG

Replace the circuit breaker
(30A)

Circuit breaker (30A, Fuse
box) function

Circuit breaker malfunction

Repair grounding points
(

B-9

 and 

B-28

) contact

Grounding points (

B-9

B-28

)

Poor grounding point contact

NG

NG

OK

OK

OK

Fuse CB-11 (15A, Fuse box)

Replace the power window
relay

Power window relay
malfunction

NG

Repair an open circuit or a
poor connection of the
connectors between 3 

H-7

(RHD: 5 

H-7

) and 5 

B-8

Voltage between the power
window relay harness side
connector terminal 5 

B-8

and the ground (Should be
battery voltage present)

Open circuit or poor connector
contact

NG

OK

Power window relay function

OK

Repair an open circuit or a
poor connection of the
connectors between 1 

B-8

and 2 

D-5

Open circuit or poor connector
contact

NG

Voltage between 2 

D-5

 and

the ground (Should be battery
voltage present)

OK

Repair an open circuit or a
poor connection of the
connectors between 5 

D-5

and 

B-28

, or 4 

B-8

 and

B-28

Open circuit or poor connector
contact

NG

Continued on the next page

Voltage between 

B-28

 and

the ground

 

8-294  ELECTRICAL-BODY AND CHASSIS 

Checkpoint  

Trouble 

Cause 

 

Countermeasure 

 

Replace the driver seat side
power window & door lock
SW.

SW. malfunction

OK

NG

Driver seat side power window
& door lock SW. function

Continued from the previous page

 

 
 
2.  Lock switch does not function 
 

Checkpoint  

Trouble 

Cause 

 

Countermeasure 

 

Replace the driver seat side
power window & door lock
SW.

SW. malfunction

NG

Driver seat side power window
& door lock SW. function

 

 
 
3.  Window on the driver’s side does not operate 
 

Checkpoint  

Trouble 

Cause 

 

Countermeasure 

 

Replace the driver seat side
power window & door lock
SW.

SW. malfunction

NG

Replace the driver seat side
power window motor

Motor malfunction

NG

OK

Driver seat side power window
& door lock SW. function

OK

Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG

Continuity between 1 

D-5

and 2 

D-1

, or 10 

D-5

 and

1 

D-1

1. Driver seat side power

window motor function
when connection the motor
connector 2 

D-1

 to the

battery (+) terminal, and 1

D-1

 to the (-) terminal

(Should the motor rotate in
the “UP” direction of the
window)

2. Driver seat side power

window motor function
when connecting the motor
connector 1 

D-1

 to the

battery (+) terminal, and 2

D-1

 to the (-) terminal

(Should the motor rotate in
the “DOWN” direction of the
window)

 

ELECTRICAL-BODY AND CHASSIS  8-295 

DIESEL W/SRS 

1.  RH SIDE windows do not operate 
 

Checkpoint  

Trouble 

Cause 

 

Countermeasure 

 

Reinstall or replace the fuse
No. CB-11 (15A)

Poor fuse contact or blown

NG

Reinstall or replace the fuse
No.CB-21, 24 (20A)

Fuse CB-24 (20A, FUSE
BOX) LHD
Fuse CB-21 (20A, FUSE
BOX) RHD

Circuit breaker malfunction

Repair grounding points
(

B-9

 and 

B-28

) contact

Grounding points (

B-9

B-28

)

Poor grounding point contact

NG

NG

OK

OK

OK

Fuse CB-11 (15A, Fuse box)

Replace the power window
relay

Power window relay
malfunction

NG

Repair an open circuit or a
poor connection of the
connectors between 3 

H-7

(RHD: 5 

H-7

) and 5 

B-8

Voltage between the power
window relay harness side
connector terminal 5 

B-8

and the ground (Should be
battery voltage present)

Open circuit or poor connector
contact

NG

OK

Power window relay function

OK

Repair an open circuit or a
poor connection of the
connectors between 1 

B-8

and 2 

D-5

Open circuit or poor connector
contact

NG

Voltage between 2 

D-5

 and

the ground (Should be battery
voltage present)

OK

Repair an open circuit or a
poor connection of the
connectors between 5 

D-5

and 

B-28

, or 4 

B-8

 and

B-28

Open circuit or poor connector
contact

NG

Continued on the next page

Voltage between 

B-28

 and

the ground