## Security System

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

22-261

Cavity | Wire | Test condition | Test: Desired result | Possible cause if result is not obtained
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 | RED | Tailgate open | Check for voltage to ground: There should be 1 V or less. |

- Faulty tailgate latch switch
- Poor ground (G553)
- An open in the wire

Tailgate closed | 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 (G502)
- An open in the wire

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

- 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.
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
- Faulty tailgate key cylinder switch
- Poor ground (G502)
- An open in the wire
- A short to ground

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