For 1990-2009 cars

Figure 1: |

#### Power, Ground, Data Link, and MIL

Figure 2: |

#### 5-Volt and Low Reference

Figure 3: |

#### Engine Data Sensors - Pressure and Temperature

Figure 4: |

#### Engine Data Sensors - Oxygen Sensors

Figure 5: |

#### Engine Data Sensors - Electronic Throttle Controls

Figure 6: |

#### Ignition Controls - Ignition Sensors

Figure 7: |

#### Fuel Controls - Fuel Pump Controls and Fuel Injectors

Figure 8: |

#### Ignition Controls - Ignition System

Figure 9: |

#### Fuel Controls - EVAP Controls

Figure 10: |

#### Controlled/Monitored Subsystem References