TOYOTA PARKING ASSIST-SENSOR SYSTEM(w/ Simple Intelligent Parking Assist System), Diagnostic DTC:C1625

DTC Code DTC Name
C1625 Open or Short in Steering Angle Sensor +B

DESCRIPTION

This DTC is stored when the clearance warning ECU assembly receives a steering angle sensor power supply malfunction signal via CAN communication from the spiral cable with sensor sub-assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1625 Open or Short in Steering Angle Sensor +B

Either condition is met (1 trip detection logic*1):


  • Open in steering angle sensor power source

  • Short in steering angle sensor power source

  • Wire harness or connector

  • Spiral cable with sensor sub-assembly

  • Stop and start system*2

DTC Detection Conditions
Vehicle Condition
Pattern 1 Pattern 2
Diagnosis Condition Ignition switch ON ○ ○
Malfunction Status Open in steering angle sensor power source ○ -
Short in steering angle sensor power source - ○
Detection Time - -
Number of Trips 1 trip 1 trip

Tech Tips

DTC will be output when conditions for either of the patterns in the table above are met.

WIRING DIAGRAM

A002YX6E05

CAUTION / NOTICE / HINT

Note


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

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization may be needed. Refer to Calibration.

    Click here

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - BODY GROUND)


    1. Disconnect the spiral cable with sensor sub-assembly connector.

    2. A002YSTC01
      *a

      Front view of wire harness connector

      (to Spiral Cable with Sensor Sub-assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F69-1 (ESS) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY BATTERY POWER SUPPLY)


    1. Disconnect the spiral cable with sensor sub-assembly connector.

    2. A002YSTC03
      *a

      Front view of wire harness connector

      (to Spiral Cable with Sensor Sub-assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      F69-5 (BAT) - F69-1 (ESS) Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY IG POWER SUPPLY)


    1. Disconnect the spiral cable with sensor sub-assembly connector.

    2. A002YSTC04

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      F69-4 (IG1) - F69-1 (ESS) Ignition switch ON

      11 to 14 V*1

      9.5 to 14 V*2

      • *1: w/o Stop and Start System

      • *2: w/ Stop and Start System

      Result
      Result Proceed to
      OK A
      NG (w/o Stop and Start System) B
      NG (w/ Stop and Start System) C

    A

    REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY Click here

    B

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    C

    GO TO STOP AND START SYSTEM Click here