Toyota Venza manuals

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


B

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


A

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


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR


OK

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


OK

REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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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 ...

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