Toyota 4Runner: Inspection

Toyota 4Runner Service Manual / Vehicle Interior / Seat / Climate Control Seat Switch / Inspection

INSPECTION

PROCEDURE

1. INSPECT REFRESHING SEAT SWITCH

Text in Illustration

Component without harness connected

(Refreshing Seat Switch)

Blower

Heater

Blower Max.

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.)	1.72 to 2.64 kΩ
	Switch on (Blower Max.)	Below 510 Ω
6 (SW) - 1 (RV)	Switch off	2.72 to 4.08 kΩ
	Switch on (Heater Min.)	2.72 to 4.08 kΩ
	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.)	1.72 to 2.64 kΩ
	Switch on (Blower Max.)	Below 51 Ω
11 (SW) - 2 (RV)	Switch off	2.72 to 4.08 kΩ
	Switch on (Heater Min.)	2.72 to 4.08 kΩ
	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

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.

OK:

Measurement Condition	Switch Condition	Specified Condition
Battery positive (+) → 5 (IG) Battery negative (-) → 12 (E)	Switch on	Indicator illuminates

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:

Fuel Sender Open Detected (B1500)
DESCRIPTION This DTC is stored when the combination meter detects a fuel sender gauge malfunction. DTC Code DTC Detection Condition Trouble Area B1500 IG voltage is 9.5 V or higher and the followin ...

Data List / Active Test
DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to r ...

0.0269