Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Open or Short in Steering Angle Sensor +B (C1625)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Panoramic View Monitor System(for Hv Model) / Open or Short in Steering Angle Sensor +B (C1625)

DESCRIPTION

  • This DTC is stored if the parking assist ECU receives a signal via CAN communication from the steering sensor that indicates a power supply system problem.
  • This DTC is stored if the television camera assembly receives a signal via CAN communication from the steering sensor that indicates a power supply system problem.
Parking Assist ECU

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

C1625

Open or Short in Steering Angle Sensor +B

Open or short in steering angle sensor +B
  • Harness or connector
  • Steering sensor

Parking assist ECU
Television Camera Assembly

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

C1625

Open or Short in Steering Angle Sensor +B

Open or short in steering angle sensor +B
  • Harness or connector
  • Steering sensor

Television camera assembly

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Since the panoramic view monitor system has functions that use the CAN communication system, first check that there is no malfunction in the communication system by inspecting the CAN communication functions in accordance with the "How to Proceed with Troubleshooting" procedures. Then, conduct the following inspection procedure.
  • When "!" is displayed on the radio and display receiver assembly after the cable is disconnected from the negative (-) auxiliary battery terminal, correct the steering angle neutral point.

    Click here

  • 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 panoramic view monitor system may be needed.

    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 G48 steering sensor connector.

Click here

(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

G48-9 (IG) - G48-6 (ESS)

Power switch on (IG)

11 to 14 V

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

Always

11 to 14 V
OK

REPLACE STEERING SENSOR

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Open or Short Circuit in Back Camera Signal (C1622)

    Steering Angle Sensor Failure (C1626)

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