KEY REMINDER WARNING SYSTEM TERMINALS OF ECU


  1. CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)


    1. Disconnect the 1D, 1F junction block and and D7, D9 ECU connectors.

      A017FF8E11

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      1F-10 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      1D-10 (BECU) - Body ground W - Body ground Power Source Always 11 to 14 V

      D7-24 (DCTY)*1- Body ground

      		 G - Body ground Driver door courtesy light switch signal Switch pushed (Door closed) 10 kΩ or higher
      Switch free (Door opened) Below 1 Ω

      D7-24 (DCTY)*2- Body ground

      		 SB - Body ground Driver door courtesy light switch signal Switch pushed (Door closed) 10 kΩ or higher
      Switch free (Door opened) Below 1 Ω
      D9-5 (KSW) - Body ground GR - Body ground Key unlock warning switch signal No key is in ignition key cylinder 10 kΩ or higher
      Key is in ignition key cylinder Below 1 Ω

      Tech Tips

      *1: for LHD

      *2: for RHD

      Tech Tips

      If the result is not as specified, there may be a malfunction on the wire harness side.