Lexus ES manuals

Lexus ES: Open or Short in Steering Angle Sensor +B (C1625)

DESCRIPTION

This DTC is stored if the clearance warning ECU assembly receives a signal via CAN communication from the steering sensor that indicates a power supply problem.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1625

Open or Short in Steering Angle Sensor +B

Open or short in steering sensor power source

  • Harness or connector
  • Steering sensor

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Click here

  • After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).

    Click here

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

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (STEERING SENSOR POWER SOURCE)

(a) Disconnect the G62 steering sensor connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

G62-9 (IG1) - G62-6 (ESS)

Engine switch on (IG)

11 to 14 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK HARNESS AND CONNECTOR (STEERING SENSOR POWER SOURCE)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G62-6 (ESS) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

G62-4 (BAT) - G62-6 (ESS)

Always

11 to 14 V*1

10.5 to 16 V*2

  • *1: w/o Stop and Start System
  • *2: w/ Stop and Start System
OK

REPLACE STEERING SENSOR

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

READ NEXT:

 Steering Angle Sensor Failure (C1626)

DESCRIPTION This DTC is stored if the clearance warning ECU assembly receives a signal via CAN communication from the steering sensor that indicates an internal malfunction. DTC No. Detection Ite

 G Sensor Failure (C1647)

DESCRIPTION The clearance warning sonar ECU assembly communicates with the airbag sensor assembly (yaw rate and acceleration sensor) via CAN communication, and if it is determined that the airbag sens

 Outside Air Temperature Sensor (C1652)

DESCRIPTION When a malfunction signal sent from the air conditioning system via CAN communication is detected by the clearance warning ECU assembly, DTC C1652 is stored. DTC No. Detection Item

SEE MORE:

 Monitor Drive Pattern

MONITOR DRIVE PATTERN MONITOR DRIVE PATTERN FOR ECT CAUTION: Perform the following procedure on a level surface while strictly observing all traffic laws and speed limits. HINT: Performing this drive pattern is one method to simulate ECM (ECT) malfunction detection conditions. Some DTCs may not be d

 Installation

INSTALLATION PROCEDURE 1. INSTALL CHECK VALVE GROMMET (a) Install a new check valve grommet to the brake booster assembly. 2. INSTALL VACUUM WARNING SWITCH ASSEMBLY (a) Install the vacuum warning switch assembly to the brake booster assembly as shown in the illustration. *a 30° +/- 20°

© 2016-2024 Copyright www.lexguide.net