Isuzu KB P190. Manual — part 28

1-78 HEATER AND AIR CONDITIONING

RTW410MF000201

HEATER AND AIR CONDITIONING 1-79

CONTROL PANEL ILLUMINATION BULB

REMOVAL AND INSTALLATION

This illustration is based on RHD model

RTW710MF000401

Removal Steps

1. Control lever assembly

2. Illumination bulb

Installation Steps

2. Illumination bulb

1. Control lever assembly

1-80 HEATER AND AIR CONDITIONING

RTW710MH000101

Important Operations - Removal

1. Control lever assembly
Refer to “CONTROL LEVER ASSEMBLY” in this section.

2. Illumination Bulb
To remove the illumination bulb, insert a pliers (long nose) into
the cap at the back of the bulb. Turn the bulb counterclockwise
and pull it free.

HEATER AND AIR CONDITIONING 1-81

INSPECTION AND REPAIR

840R300005-X

Resistor

As for air-conditioning model, fixed on left (RHD) / right (LHD)

side of the evaporator unit.

As for heater only model, fixed on left (RHD) / right (LHD) side

of the duct placed between blower unit and heater unit.

Replace the resistor with a new on if the coil is found to be

open or if the resistance value deviates from the specified

range.

Terminal Resistance

3 – 2

2.04

Ω

3 – 4

0.88

Ω

3 – 1

0.31

Ω

Blower motor

Check blower motor for smooth rotation.
Connect the battery positive terminal to the No.1 terminal of the

blower motor and negative to the No.2.

Be sure to check to see if the blower motor operates correctly.