For 1990-2009 cars

Figure 1: |

#### Information Sensors/Input Devices

(1) | Fuel Level Sensor (gauge unit)
(2) | Fuel Tank Pressure Sensor
(3) | HO2S 2
(4) | VSS
(5) | MAF Sensor
(6) | IAT Sensor
(7) | HO2S 1
(8) | PSP Switch (if equipped)
(9) | CKP Sensor
(10) | ECT Sensor
(11) | Battery
(12) | MAP Sensor
(13) | TP Sensor
(14) | Transmission Range Switch (A/T Vehicle)
(15) | CMP Sensor and Ignition Coil (located in distributor)

Figure 2: |

#### PCM Controlled Devices

(1) | Fuel Pump Relay
(2) | MIL
(3) | Fuel Injectors
(4) | Idle Air Control (IAC) Valve
(5) | EVAP Canister Purge Valve
(6) | EGR Solenoid Vacuum Valve
(7) | EVAP Canister Vent Valve
(8) | EVAP Tank Pressure Control Solenoid Vacuum Valve
(9) | EGR Bypass Valve

Figure 3: |

#### Other Components

(1) | Main Relay
(2) | Powertrain Control Module
(3) | Data Link Connector (DLC)
(4) | EVAP Canister
(5) | Duty Check Data Link Connector
(6) | Fuse Box
(7) | EGR Valve
(8) | EGR Back Pressure Transducer