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HVAC

18

ii) BLOWER RESISTER AND LINEAR POWER

MODULE (

LPM)

The speed of the blower can be controlled by em-

ploying either a Blower resister or a Liner Power

Module (

LPM

). In this vehicle the blower resister is

used in models with manual HVAC and LPM is used

in models with FATC.

BLOWER RESISTER

A blower resister used in this vehicle is for a four-

speed control of blower speed. This is achieved by

having a combination of three different resistances.

The blower resister is placed in the intake air flow to

allow it to dissipate heat freely.

It is located on the lower side of the HVAC unit to the

right of the blower.

CIRCUIT DIAGRAM

PIN OUT

PIN NO

DESCRIPTION

A

Medium Low Resistance

(ML)

B

Medium High Resistance

(MH)

C

High Speed

(directly engaged)

D

Low speed resistance

INSPECTION

Measure the current at the harness side connecter at

4 speeds by rotating the blower switch. The current

measurement should as per the table below.

The resistance can also be checked. For resistance

values refer circuit diagram of blower resistor.