For 1990-2009 cars

Figure 1: |

#### Power, Ground and Serial Data

Figure 2: |

#### Door Speakers and Center Speaker (LHD Speaker System Enhanced Audio With Amplifier)

Figure 3: |

#### Door Speakers and Center Speaker (RHD Speaker System Enhanced Audio With Amplifier)

Figure 4: |

#### Amplifier

Figure 5: |

#### Door Speakers (LHD Speaker System Enhanced Audio With Amplifier)

Figure 6: |

#### Door Speakers (RHD Speaker System Enhanced Audio With Amplifier)

Figure 7: |

#### Center Speaker and Subwoofers (Speaker System Enhanced Audio With Amplifier)

Figure 8: |

#### Auxiliary Audio