Toyota Venza manuals

Toyota Venza: Short in Sensor with Motor Power Supply Circuit (B2658)

Toyota Venza Service Manual / Seat / Front Power Seat Control System(w/ Memory) / 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 Area

B2658

Malfunction in supply voltage for the seat slide control position sensor

  • Position control ECU and switch assembly
  • Slide motor (front seat frame with adjuster assembly LH)
  • Wire harness or connector

WIRING DIAGRAM


PROCEDURE

1.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Driver Seat / Trouble Codes.

(e) Clear the DTC (See page ).


(f) Recheck for DTC B2658.

Result

Proceed to

DTC B2658 is output

A

DTC B2658 is not output

B


B

USE SIMULATION METHOD TO CHECK


A

2.

CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH ASSEMBLY - SLIDE MOTOR)

(a) Disconnect the T11 the position control ECU and switch assembly connector.

(b) Disconnect the T12 the slide motor (front seat frame with adjuster assembly LH).

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

T11-3 (PVCC) - T12-5 (VCC)

Always

Below 1 Ω

T11-2 (SSRS) - T12-2 (O/P)

Always

Below 1 Ω

T11-1 (SGND) - T12-6 (GND)

Always

Below 1 Ω

T11-3 (PVCC) - Body ground

Always

10 kΩ or higher

T11-2 (SSRS) - Body ground

Always

10 kΩ or higher

T11-1 (SGND) - Body ground

Always

10 kΩ or higher


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR


OK

3.

CHECK POSITION CONTROL ECU AND SWITCH ASSEMBLY

(a) Reconnect the T11 the position control ECU and switch assembly connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

T11-1 (SGND) - T11-3 (PVCC)

Slide switch on

5.5 to 6.5 V


OK

REPLACE FRONT SEAT FRAME WITH ADJUSTER ASSEMBLY LH


NG

REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY

Slide Sensor Malfunction (B2650)
DESCRIPTION When the position control ECU and switch assembly does not receive a sensor signal despite forward or backward movement of seat by power seat motor operation, this DTC is output. ...

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 ...

Other materials about Toyota Venza:

System Description
SYSTEM DESCRIPTION 1. POWER MIRROR CONTROL SYSTEM DESCRIPTION (a) This system has the following functions: power retract mirror function*, reverse shift-linked function, electrical remote control function, memory function and mirror heater function. ...

Customize Parameters
CUSTOMIZE PARAMETERS 1. CUSTOMIZING FUNCTION WITH TECHSTREAM HINT: The items in the table below can be customized. NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to m ...

Transmission Control Switch Circuit
DESCRIPTION When the shift lever is in S and it is moved toward "-" or "+", it is possible to select different shift ranges (1st through 6th ranges). Moving the shift lever toward "+" increases the shift range by one, and movi ...

© 2016-2019 Copyright www.tovenza.com

0.0032