Resistance

40

-

30

A

Resistance (kQ ) 20

\

10

\

8

\

6

N.

4

2

^--

0

-30 -20 -10 0 10 20 30 40 50 60 70 80 Temperature (°C)

H

I30145

If resistance value is not as specified, replace the sensor.

2. COOLER AND ACCESSORY ASSY

(a) Inspect blower switch continuity.

2. COOLER AND ACCESSORY ASSY

(a) Inspect blower switch continuity.

Condition / Circuit

Tester connection

Specified condition

OFF

-

No continuity

LO

1 - 8

Continuity

M1

1 - 6 - 8

Continuity

M2

1 - 5 - 8

Continuity

HI

1 - 4 - 8

Continuity

If continuity is not as specified, replace the air conditioner control assy.

(b) Inspect illumination operation.

Connect the positive (+) lead from the battery to terminal 2 and negative (-) lead to terminal 3 then check that the illuminations light up. If there is bulb not light up, replace the bulb. 3. COOLER SWITCH HOLE COVER (a) Inspect switch continuity.

Check the continuity between terminals while switch is pressed, as shown in the chart.

Tester connection

Specified condition

2 - 5

Continuity

If continuity is not as specified, replace the cooler switch.

(b) Inspect illumination operation.

Connect the positive (+) lead from the battery to terminal

4 and negative (-) lead to terminal 3 then check that the illuminations light up.

If operation is not as specified, replace the cooler switch.

(c) Inspect indicator operation.

(1) Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1.

(2) Push the A/C button in and then check that the indicator lights up.

If operation is not as specified, replace the cooler switch.

(d) Inspect dimming operation

(1) Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1 while press the switch.

(2) Connect the positive (+) lead from battery to terminal 4 and then check that the indicator dims.

If operation is not as specified, replace the cooler switch.

2002 Rav4 Battery Terminals

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