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Smart Entrance Control Unit: G20

  1. Rear Window Defogger

    Check voltage at terminal No. 2 (Green wire). With ignition on, voltage should switch from 12 volts (off) to 0 volts (on).

  2. Theft Warning (Starter Cut) Relay

    Check voltage at terminal No. 3 (Pink/Black wire). With ignition on, voltage should switch from 12 volts (off) to 0 volts (on).

  3. Theft Warning Horn/Light Relay

    Check voltage at terminal No. 4 (Yellow/Green wire). When panic alarm is operated, using remote controller, voltage should switch from 12 volts to 0 volts.

  4. Multi-Remote Control Relay

    Check voltage at terminal No. 7 (Pink wire). When doors are locked, using remote controller, voltage should switch from 12 volts to 0 volts.

  5. Interior Room Light

    Check voltage at terminal No. 8 (Red/Blue wire). When light is actuated, using remote controller (switch in DOOR position), voltage should switch from 12 volts to 0 volts.

  6. Power Source (Fuse)

    Check voltage at terminal No. 10 (Pink wire). Voltage should be 12 volts at all times.

  7. Power Source (Circuit Breaker)

    Check voltage at terminal No. 11 (White/Blue wire). Voltage should be 12 volts at all times.

  8. Driver's Door Lock Actuator

    Check voltage at terminal No. 13 (Pink wire). With door lock/unlock switch unlocked, voltage should be 12 volts. With door lock/unlock switch free, voltage should be 0 volts.

  9. Passenger's Door Lock Actuator

    Check voltage at terminal No. 14 (Blue wire). With door lock/unlock switch unlocked, voltage should be 12 volts. With door lock/unlock switch free, voltage should be 0 volts.

  10. Door Lock Actuators

    Check voltage at terminal No. 15 (Gray wire). With door lock/unlock switch locked, voltage should be 12 volts. With door lock/unlock switch free, voltage should be 0 volts.

  11. Ground

    Check continuity to ground at terminal No. 16 (Black wire). Continuity should exist at all times.

  12. Battery Saver

    Check voltage at terminal No. 17 (Gray/Red wire). With battery saver not in operation, voltage should be 12 volts. With battery saver in operation, voltage should be 0 volts.

  13. Ignition Switch (ACC)

    Check voltage at terminal No. 21 (Green wire). With ignition switch in ACC position, voltage should be 12 volts.

  14. Seat Belt Buckle Switch

    Check voltage at terminal No. 22 (White/Red wire). With ignition switch on, voltage should be 12 volts (with belt fastened) and 0 volts (with belt unfastened).

  15. Door Lock/Unlock Switches

    Check voltage at terminal No. 23 (Gray wire). With switches in neutral position, voltage should be 12 volts. With switches in lock position, voltage should be 0 volts.

  16. Rear Door Unlock Sensors

    Check voltage at terminal No. 26 (Yellow wire). With all doors locked, voltage should be 12 volts. With one or more doors are unlocked, voltage should be 0 volts.

  17. Hood Open Signal

    Check voltage at terminal No. 27 (Yellow/Black wire). With signal on (open), voltage should be 0 volts. With signal off (closed), voltage should be 12 volts.

  18. Door Switches (All)

    Check voltage at terminal No. 28 (Red/White wire). With switches off (closed), voltage should be 12 volts. With switches on (open), voltage should be 0 volts.

  19. Driver's Door Switch

    Check voltage at terminal No. 29 (Light Blue wire). With switch off (closed), voltage should be 12 volts. With switch on (open), voltage should be 0 volts.

  20. Door Key Cylinder Unlock Switch

    Check voltage at terminal No. 30 (Light Green/Red wire). With switch off (neutral), voltage should be 12 volts. With switch on (unlocked), voltage should be 0 volts.

  21. Theft Warning Indicator

    Check voltage at terminal No. 31 (Brown/Yellow wire). Voltage should be 12 volts (with indicator off) and 0 volts (with indicator on).

  22. Ignition Key Switch (Insert)

    Check voltage at terminal No. 32 (Blue wire). Voltage should be 12 volts (with key inserted) and 0 volts (with key removed from IGN key cylinder).

  23. Ignition Switch (ON)

    Check voltage at terminal No. 33 (Green/Red wire). With ignition switch on, voltage should be 12 volts.

  24. Light Switch (1st)

    Check voltage at terminal No. 34 (Red/Green wire). With switch in 1st and 2nd positions, voltage should be 12 volts (switch on) and 0 volts (switch off).

  25. Door Lock/Unlock Switches

    Check voltage at terminal No. 35 (Green wire). With switches in neutral position, voltage should be 12 volts. With switches in unlock position, voltage should be 0 volts.

  26. Driver's Door Unlock Sensor

    Check voltage at terminal No. 36 (Yellow/Red wire). With driver's door locked, voltage should be 12 volts. With driver's door unlocked, voltage should be 0 volts.

  27. Passenger's Door Unlock Sensor

    Check voltage at terminal No. 37 (Orange wire). With passenger's door locked, voltage should be 12 volts. With passenger's door unlocked, voltage should be 0 volts.

  28. Trunk Room Light Switch

    Check voltage at terminal No. 38 (Red wire). With switch off (closed), voltage should be 12 volts. With switch on (open), voltage should be 0 volts.

  29. Rear Window Defogger Switch

    Check voltage at terminal No. 39 (Blue/White wire). Voltage should be 12 volts (with switch off) and 0 volts (with switch on).

  30. Passenger's Door Switch

    Check voltage at terminal No. 40 (Red/Blue wire). With switch off (closed), voltage should be 12 volts. With switch on (open), voltage should be 0 volts.

  31. Door Key Cylinder Lock Switch

    Check voltage at terminal No. 41 (Yellow wire). With switch in neutral (off) position, voltage should be 12 volts. With switch in locked (on) position, voltage should be 0 volts.

  32. Trunk Lid Key Unlock Switch

    Check voltage at terminal No. 42 (Green/Black wire). With switch in neutral (off) position, voltage should be 12 volts. With switch in unlocked (on) position, voltage should be 0 volts.
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