For 1990-2009 cars

Figure 1: |

#### Module Power, Ground, Serial Data, and MIL

Figure 2: |

#### Engine Data Sensors - 5-Volt and Low Reference

Figure 3: |

#### Engine Data Sensors - Pressure and Temperature

Figure 4: |

#### Engine Data Sensors - Heated Oxygen Sensors

Figure 5: |

#### Engine Data Sensors - Throttle Controls

Figure 6: |

#### Ignition Controls - Ignition System Coils

Figure 7: |

#### Ignition Controls - Sensors

Figure 8: |

#### Fuel Controls - Fuel Injectors

Figure 9: |

#### Fuel Controls - Fuel Pump and EVAP Controls

Figure 10: |

#### Fuel Controls - Fuel Pump Controls

Figure 11: |

#### Device Controls - Secondary Air Injection K18

Figure 12: |

#### Controlled/Monitored Subsystem References