Toyota Venza: Seat Heater Switch

Toyota Venza Service Manual / Seat / Seat Heater Switch

Components

COMPONENTS

ILLUSTRATION

Removal

REMOVAL

PROCEDURE

1. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY

2. REMOVE SEAT HEATER SWITCH

(a) Disengage the 2 claws and remove the seat heater switch as shown in the illustration.

Inspection

INSPECTION

PROCEDURE

1. INSPECT SEAT HEATER SWITCH

(a) Inspect the driver side seat heater switch operation.

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

Standard Resistance:

Tester Connection	Switch Position	Specified Condition
9 (IG) - 7 (RV)	OFF	10 kΩ or higher
9 (IG) - 7 (RV)	ON	Below 1 Ω
3 (SW) - 7 (RV)	ON (Minimum to Maximum)	0.35 to 3.4 kΩ

Text in Illustration

*1	Component without harness connected (Seat Heater Switch)

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

(2) Turn the seat heater switch on and check if the seat heater switch indicator comes on.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 9 (IG)

Battery negative (-) → Terminal 4 (E)

Comes on

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

(b) Inspect the front passenger side seat heater switch operation.

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

Standard Resistance:

Tester Connection	Switch Position	Specified Condition
7 (IG) - 5 (RV)	OFF	10 kΩ or higher
7 (IG) - 5 (RV)	ON	Below 1 Ω
2 (SW) - 5 (RV)	ON (Minimum to Maximum)	0.35 to 3.4 kΩ

Text in Illustration

*1	Component without harness connected (Seat Heater Switch)

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

(2) Turn the seat heater switch on and check if the seat heater switch indicator comes on.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 7 (IG)

Battery negative (-) → Terminal 3 (E)

Comes on

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

OK:

Driver Side

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 8 (ILL+)

Battery negative (-) → Terminal 1 (ILL-)

Comes on

Front Passenger Side

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 6 (ILL+)

Battery negative (-) → Terminal 1 (ILL-)

Comes on

Text in Illustration

*1	Driver Side
*2	Front Passenger Side

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

Installation

INSTALLATION

PROCEDURE

1. INSTALL SEAT HEATER SWITCH

(a) Engage the 2 claws and install the seat heater switch as shown in the illustration.

2. INSTALL UPPER CONSOLE PANEL SUB-ASSEMBLY

Seat Heater Control

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Seat Heater System

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