Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 1196

8-124  ELECTRICAL-BODY AND CHASSIS 

 

ILLUMINATION CONTROLLER 

Turning the illumination controller knob upward increases the 
brightness of each illumination light, turning it downward 
decreases its brightness. 

 

 

Removal 

1.  Instrument Panel Cluster Assembly 

·  Refer to Section 10 “BODY” for instrument panel cluster

assembly removal steps. 

2. Illumination Controller 

·  Disconnect the switch connector. 
·  To remove the switch, push the lock from the back side 

of the cluster assembly. 

 

 
 

Installation 

To install, follow the removal procedure in the reverse order. 
 

 
 

 

Connector 

Be absolutely sure that the illumination controller connector is 
securely connected. 
This will prevent a poor contact and an open circuit. 
 

ELECTRICAL-BODY AND CHASSIS  8-125 

 

AIMING OF HEADLIGHT 

check and adjust the inflation pressures, clean the headlight, 
park the vehicle on a level surface and insure that vehicle is at 
curb weight. 

 

 
 

VERTICAL ADJUSTMENT 

Use a screwdriver for vertical adjustment. 
 

 

 
 

HORIZONTAL ADJUSTMENT 

Use a screwdriver horizontal adjustment.  
 

 

8-126  ELECTRICAL-BODY AND CHASSIS 

  INSPECTION AND REPAIR 

 

Switch side

 

 

 
 

LIGHTING SWITCH 

Lighting Switch Connections 

Terminal

SW

No.

position

1

7

8

OFF

Tail

Headlight

 

Switch side

 

 
 

HEADLIGHT BEAM SWITCH 

Headlight Beam and Passing Switch 

Connections 

Terminal NO.

SW position

16

13

15

14

HI

LO

At “Passing” Position

At “Dimmer” position

 
 

 

 
 

 

ELECTRICAL-BODY AND CHASSIS  8-127 

 

 
 

LIGHTING RELAY, TAIL RELAY 

Check continuity between the relay terminals. 

1

 - 

5

............................. No continuity 

(When battery voltage is applied between 

2

 and 

4

) 

1

 - 

5

............................. Continuity 

 

 

 
 

ILLUMINATION CONTROLLER 

Controller Inspection 

Check the illumination controller function.