WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Entry and Start System) TERMINALS OF ECU

  1. CHECK DOOR CONTROL RECEIVER WITH ECU ASSEMBLY

    B372592E01

    1. Disconnect the E25 door control receiver with ECU assembly connector.

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

      Tip:

      Measure the values on the wire harness side with the connector disconnected.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      E25-11 (E) - Body ground

      -

      Ground

      Always

      Below 1 Ω

      E25-1 (B) - Body ground

      -

      Battery power supply

      Always

      11 to 14 V

      E25-3 (IG) - Body ground

      -

      IG power supply

      Ignition switch ON

      11 to 14 V

      E25-3 (IG) - Body ground

      -

      IG power supply

      Ignition switch off

      Below 1 V

    3. Reconnect the E25 door control receiver with ECU assembly connector.

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

      Table 1. for LHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      E25-10 (ACT-) - Body ground

      G - Body ground

      Door lock motor unlock drive output (all doors)

      Driver door lock knob not moved

      Below 1 V

      E25-10 (ACT-) - Body ground

      G - Body ground

      Door lock motor unlock drive output (all doors)

      Driver door lock knob moved to unlock position

      11 to 14 V

      E25-20 (ACT+) - Body ground

      R - Body ground

      Door lock motor lock drive output (all doors)

      Driver door lock knob not moved

      Below 1 V

      E25-20 (ACT+) - Body ground

      R - Body ground

      Door lock motor lock drive output (all doors)

      Driver door lock knob moved to lock position

      11 to 14 V

      E25-18 (DCTY) - Body ground

      P - Body ground

      Front door courtesy light switch assembly (for LH) input

      Front door LH open

      Below 1 V

      E25-18 (DCTY) - Body ground

      P - Body ground

      Front door courtesy light switch assembly (for LH) input

      Front door LH closed

      10 kΩ or higher

      E25-7 (L1) - Body ground

      BE - Body ground

      Driver door key-linked lock input or front door LH unlock detection switch input

      Driver door lock knob moved to lock position

      Below 1 V

      E25-7 (L1) - Body ground

      BE - Body ground

      Driver door key-linked lock input or front door LH unlock detection switch input

      Driver door key cylinder turned to unlock position

      10 kΩ or higher

      E25-6 (UL1) - Body ground

      G - Body ground

      Driver door key-linked unlock input

      Driver door key cylinder turned to unlock position

      Below 1 V

      E25-6 (UL1) - Body ground

      G - Body ground

      Driver door key-linked unlock input

      Driver door lock knob moved to lock position

      10 kΩ or higher
      Table 2. for RHD

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      E25-10 (ACT-) - Body ground

      G - Body ground

      Door lock motor unlock drive output (all doors)

      Driver door lock knob not moved

      Below 1 V

      E25-10 (ACT-) - Body ground

      G - Body ground

      Door lock motor unlock drive output (all doors)

      Driver door lock knob moved to unlock position

      11 to 14 V

      E25-20 (ACT+) - Body ground

      R - Body ground

      Door lock motor lock drive output (all doors)

      Driver door lock knob not moved

      Below 1 V

      E25-20 (ACT+) - Body ground

      R - Body ground

      Door lock motor lock drive output (all doors)

      Driver door lock knob moved to lock position

      11 to 14 V

      E25-18 (DCTY) - Body ground

      P - Body ground

      Front door courtesy light switch assembly (for RH) input

      Front door RH open

      Below 1 V

      E25-18 (DCTY) - Body ground

      P - Body ground

      Front door courtesy light switch assembly (for RH) input

      Front door RH closed

      10 kΩ or higher

      E25-7 (L1) - Body ground

      BE - Body ground

      Driver door key-linked lock input or front door LH unlock detection switch input

      Driver door lock knob moved to lock position

      Below 1 V

      E25-7 (L1) - Body ground

      BE - Body ground

      Driver door key-linked lock input or front door LH unlock detection switch input

      Driver door key cylinder turned to unlock position

      10 kΩ or higher

      E25-6 (UL1) - Body ground

      G - Body ground

      Driver door key-linked unlock input

      Driver door key cylinder turned to unlock position

      Below 1 V

      E25-6 (UL1) - Body ground

      G - Body ground

      Driver door key-linked unlock input

      Driver door lock knob moved to lock position

      10 kΩ or higher