## Security System

#### Security Control Unit Input Test (cont'd)

22-258

Cavity | Wire | Test condition | Test: Desired result | Possible cause if result is not obtained
A8 | RED/WHT | Ignition key is in the ignition switch | Check for voltage to ground: There should be 1 V or less. |

- Poor ground (G401)
- Faulty ignition key switch
- An open in the wire

Ignition key is out of the ignition switch | Check for voltage to ground: There should be 5 V or more.
A18 | GRN/BLK | Hood open | Check for voltage to ground: there should be 1 V or less. |

- Faulty hood switch
- Poor ground (G201)
- An open in the wire

Hood closed | Check for voltage to ground: There should be 5 V or more
A7 | BLU/YEL | Trunk lid open | Check for voltage to ground: There should be 1 V or less. |

- Faulty trunk latch switch
- Poor ground (G601)
- An open in the wire

Trunk lid closed | Check for voltage to ground: There should be 5 V or more.
A10 | GRY/BLU | Trunk key cylinder switch unlocked | Check for voltage to ground: There should be 1 V or less. |

- Faulty trunk key cylinder switch
- Poor ground (G601)
- An open in the wire

Trunk key cylinder switch in neutral | Check for voltage to ground: There should be 5 V or more.
A1 | WHT/BLK | Driver's door lock knob unlocked | Check for voltage to ground: There should be 1 V or less. |

- Faulty driver's door lock knob switch
- Poor ground (G501)
- An open in the wire

Driver's door lock knob locked | Check for voltage to ground: There should be 5 V or more.
A12 | BRN/WHT | Front passenger's door lock knob unlocked | Check for voltage to ground: There should be 1 V or less. |

- Faulty front passenger's door lock knob switch
- Poor ground (G501 or G502: 5-door)
- An open in the wire

Front passenger's door lock knob locked | Check for voltage to ground: There should be 5 V or more.
A13 | BLK/WHT | Left rear door lock knob unlocked | Check for voltage to ground: There should be 1 V or less. |

- Faulty left rear door lock knob switch
- Poor ground (G551)
- An open in the wire

Left rear door lock knob locked | Check for voltage to ground: There should be 5 V or more.
A2 | BLK/RED | Right rear door lock knob unlocked | Check for voltage to ground: There should be 1 V or less. |

- Faulty right rear door lock knob switch
- Poor ground (G551)
- An open in the wire

Right rear door lock knob locked | Check for voltage to ground: There should be 5 V or more.
A4 | WHT/RED | Driver's door key cylinder locked | Check for voltage to ground: There should be 1 V or less. |

- Faulty driver's door key cylinder switch
- Poor ground (G501)
- An open in the wire
- A short to ground

Driver's door key cylinder in neutral | Check for voltage to ground: There should be 5 V or more.
A3 · B3 | WHT | Driver's door key cylinder unlocked | Check for voltage to ground: There should be 1 V or less.
Driver's door key cylinder in neutral | Check for voltage to ground: There should be 5 V or more.
A15 | PNK | Front passenger's door key cylinder locked | Check for voltage to ground: There should be 1 V or less. |

- Faulty front passenger's door key cylinder switch
- Poor ground (G502)
- An open in the wire
- A short to ground

Front passenger's door key cylinder in neutral | Check for voltage to ground: There should be 5 V or more.
A14 · B10 | PNK/BLU | Front passenger's door key cylinder unlocked | Check for voltage to ground: There should be 1 V or less.
Front passenger's door key cylinder in neutral | Check for voltage to ground: There should be 5 V or more.