Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000018J4Z
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: C1625; Open or Short in Steering Angle Sensor +B; 2018 - 2020 MY Sienna [11/2017 -        ]

DTC

C1625

Open or Short in Steering Angle Sensor +B

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.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1625

Open or Short in Steering Angle Sensor +B

Open or short in steering angle sensor +B

  • Harness or connector
  • Spiral cable with sensor sub-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 (-) battery terminal, correct the steering angle neutral point.

    Click here 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: INITIALIZATION

  • 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 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

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

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY POWER SOURCE)

(a) Disconnect the spiral cable with sensor sub-assembly connector.

Click here 2018 - 2020 MY Sienna [11/2017 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: STEERING ANGLE SENSOR: REMOVAL

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

D22-2 (ESS) - Body ground

Always

Below 1 Ω

*a

Front view of wire harness connector

(to Spiral Cable with Sensor Sub-assembly)

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

D22-6 (BAT) - D22-2 (ESS)

Always

11 to 14 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY POWER SOURCE)

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

D22-5 (IG) - D22-2 (ESS)

Engine switch on (IG)

9.5 to 14 V

*a

Front view of wire harness connector

(to Spiral Cable with Sensor Sub-assembly)

OK

REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR