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.

Removal
REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS sys ...

Installation
INSTALLATION PROCEDURE 1. INSTALL REFRESHING SEAT SWITCH (a) Attach the 4 claws to install the refreshing seat switch. 2. INSTALL LOWER CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY 3. I ...

Other materials about Toyota 4Runner:

Rear Occupant Classification Sensor LH Collision Detection (B1787)
DESCRIPTION DTC B1787 is stored when the occupant classification ECU receives a collision detection signal, which is sent by the rear occupant classification sensor LH when an accident occurs. DTC B1787 is also stored when the separate type front seat cu ...

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSIONS HINT: The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ig ...

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