Toyota Venza: Front Power Seat does not Operate with Front Power Seat Switch

Toyota Venza Service Manual / Seat / Front Power Seat Control System(w/ Memory) / Front Power Seat does not Operate with Front Power Seat Switch

DESCRIPTION

Signals are input into the position control ECU and switch assembly. The built-in ECU manages the signals received from the position control ECU and switch assembly, and operates each motor. If the position control ECU and switch assembly receives more than 2 motor operation signals, the motor is stopped. Manual operation is restarted after the position control ECU and switch assembly receives 1 signal only.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.	CHECK FRONT POWER SEAT OPERATION

(a) Check that each function of the power seat operates normally by using the position control ECU and switch assembly (See page ).

Result	Proceed to
All power seat functions do not operate	A
One or more power seat functions do not operate	B

GO TO OTHER DIAGNOSIS PROCEDURE (One or more Power Seat Motors do not Operate)

2.	CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY - BATTERY)

(a) Disconnect the T10 position control ECU and switch assembly connectors.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
T10-6 (+B) - Body ground	Always	11 to 14 V

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.	CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY - BODY GROUND)

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
T10-1 (GND) - Body ground	Always	Below 1 Ω

REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

Short in Sensor with Motor Power Supply Circuit (B2658)

DESCRIPTION This DTC is stored if sensor voltage does not reach the designated voltage while the slide motor is operating. DTC Code DTC Detection Condition Trouble ...

One or more Power Seat Motors do not Operate

DESCRIPTION Signals are input into the position control ECU and switch assembly. The built-in ECU manages the signals received from the position control ECU and switch assembly, and operates each ...

Other materials about Toyota Venza:

Installation
INSTALLATION PROCEDURE 1. INSTALL STEERING PAD (a) Check that the ignition switch is off. (b) Check that the cable is disconnected from the negative (-) battery terminal. CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative ( ...

Short in Front Pretensioner Squib RH Circuit (B1900/73-B1903/73)
DESCRIPTION The front pretensioner squib RH circuit consists of the center airbag sensor assembly and front seat outer belt assembly RH. The center airbag sensor assembly uses this circuit to deploy the seat belt pretensioner when deployment conditions a ...

Brake Override System
DESCRIPTION When the vehicle is being driven, depressing the accelerator pedal sensor assembly and brake pedal will activate the brake override system to restrict driving torque. The conditions for activating the brake override system as well as the items ...