KEY REMINDER WARNING SYSTEM TERMINALS OF ECU

A01BATCE01

  1. COMBINATION METER


    1. Disconnect the H20 meter connector.

    2. Measure the voltage and resistance of the wire harness side connector.

    Standard:
    Symbols (Terminal No.) Wiring Color Terminals Description Condition Specified Condition
    IG+ (H20-6) - Body ground B-R - Body ground Ignition switch (IG) signal Ignition switch OFF → ON Below 1 V → 10 to 14 V
    B (H20-5) - Body ground R - Body ground +B power supply Always 10 to 14 V
    KSW (H20-11) - Body ground Y - Body ground Key unlock warning switch input No key in ignition key cylinder → key inserted 10 kΩ or higher → Below 1 Ω
    SW (H20-12) - Body ground B - Body ground Front door courtesy light switch (Driver side) input Front driver side door CLOSED → OPEN 10 kΩ or higher → Below 1 Ω
    E1 (H20-7) - Body ground W-B - Body ground Ground Always Below 1 Ω

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