Toyota 4Runner manuals

Toyota 4Runner: Inspection

INSPECTION

PROCEDURE

1. INSPECT REFRESHING SEAT SWITCH

Text in Illustration

*a

Component without harness connected

(Refreshing Seat Switch)

*b

Blower

*c

Heater

*d

Blower Max.

*e

Heater Max.

-

-

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

for LH Side

Tester Connection

Switch Condition

Specified Condition

7 (BLLH) - 10 (SVSG)

Switch off

1.72 to 2.64 kΩ

Switch on (Blower Min.)

Switch on (Blower Max.)

Below 510 Ω

6 (SW) - 1 (RV)

Switch off

2.72 to 4.08 kΩ

Switch on (Heater Min.)

Switch on (Heater Max.)

0.28 to 0.42 kΩ

Standard Resistance:

for RH Side

Tester Connection

Switch Condition

Specified Condition

9 (BLRH) - 10 (SVSG)

Switch off

1.72 to 2.64 kΩ

Switch on (Blower Min.)

Switch on (Blower Max.)

Below 51 Ω

11 (SW) - 2 (RV)

Switch off

2.72 to 4.08 kΩ

Switch on (Heater Min.)

Switch on (Heater Max.)

0.28 to 0.42 kΩ

HINT:

As the dial is being turned, the resistance changes gradually.

If the result is not as specified, replace the refreshing seat switch.

(b) Apply battery voltage to the switch connector and check that the refreshing seat switch illuminates.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 4 (ILL+)

Battery negative (-) → 3 (ILL-)

Illuminates

If the result is not as specified, replace the refreshing seat switch.

(c) Apply battery voltage to the switch connector and check that the refreshing seat switch indicator illuminates.

OK:

Measurement Condition

Switch Condition

Specified Condition

Battery positive (+) → 5 (IG)

Battery negative (-) → 12 (E)

Switch on

Indicator illuminates

If the result is not as specified, replace the refreshing seat switch.

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