AUTOMATIC TRANSMISSION SYSTEM, Diagnostic DTC:B1016

DTC Code DTC Name
B1016 Shift Lock Circuit

DESCRIPTION

When an IGN signal, P switch signal, and STP signal are input into the main body ECU (network gateway ECU), a signal is output to the shift lock control unit assembly.

DTC No.

DTC Detection Condition


  1. Diagnosis Condition

  2. Malfunction Status

  3. Malfunction Time

  4. Other

Trouble Area
B1016
  1. Ignition switch is turned to ON

  2. Shift lock circuit open, short to B+, or short to ground

  3. For 3 seconds or more

  4. 1-trip detection logic


  • Shift lock control unit assembly

  • Wire harness or connector

  • Main body ECU (Network Gateway ECU)

WIRING DIAGRAM

A004J1KE05
*a Shift Lock Control Unit Assembly (Shift Lever Assembly)
*b Main Body ECU(Network Gateway ECU)

PROCEDURE


  1. INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY


    1. Perform inspection of the shift lock control unit assembly Click here.


    NG
    OK
  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - SHIFT LOCK CONTROL UNIT ASSEMBLY)


    1. Disconnect the D5 main body ECU (network gateway ECU) connector.

    2. Disconnect the D28 shift lock control unit assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D5-20(SLS+) - D28-4(SLS+) Always Below 1 Ω
      D5-20(SLS+) or D28-4(SLS+) - Body ground Always 10 kΩ or higher
    4. Connect the D5 main body ECU (network gateway ECU) connector.

    5. Connect the D28 shift lock control unit assembly connector.


    NG
    OK
  3. CHECK HARNESS AND CONNECTOR (SHIFT LOCK CONTROL UNIT ASSEMBLY - BODY GROUND)


    1. Disconnect the D28 shift lock control unit assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D28-5(SLS-) - Body ground Always Below 1 Ω
    3. Connect the D28 shift lock control unit assembly connector.


    OK
    NG