Toyota Avalon Service & Repair Manual: Open or Short in Steering Angle Sensor +B (C1625)

DESCRIPTION

This DTC is stored if the television camera 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:

  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed.

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PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (STEERING SENSOR POWER SOURCE)

(a) Disconnect the G48 steering sensor connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

G48-9 (IG1) - G48-6 (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) Disconnect the G48 steering sensor connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G48-6 (ESS) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

G48-4 (BAT) - G48-6 (ESS)

Always

11 to 14 V

OK

REPLACE STEERING SENSOR

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    Back Camera Disconnected (C1622)

    Steering Angle Sensor Failure (C1626)

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