Engine Controls Schematics. Chevrolet Chevy P42 Commercial Chassis 1999

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy P42 Commercial Chassis 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Engine Controls Schematics

Figure 1:	Cell 20: Power and Grounding Engine Controls Components Vehicle Control Module Description Cell 20 - Ignition System OBD II Symbol Description Notice Cell 10: Ignition Switch and Fuse Block Cell 11: Gauges fuse Handling ESD Sensitive Parts Notice Cell 11: ECM-I fuse [L57] Cell 11: I-3, TURN-B/U, and HTR fuses, AUX CKT BRKR 13 Cell 10: Ignition Switch and Fuse Block Cell 10: Fuse Block and Headlamp Switch Cell 11: ECM-BAT and ENG-BAT fuses Handling ESD Sensitive Parts Notice Cell 44: Gas, ABS Power and Grounding, DLC Output Cell 14: S110 [L31/L35] Cell 14: G200 Cell 14: G108 [L31/L35]
Figure 2:	Cell 20 -- Ignition System Engine Controls Components Enhanced Ignition System Description Cell 20: Fuel Controls - Fuel Pump Cell 20: Power and Grounding OBD II Symbol Description Notice Cell 11: INSTR LPS, TRANS, and ENG-I fuses Cell 10: Ignition Switch and Fuse Block Handling ESD Sensitive Parts Notice Cell 81: Gauges [L57] Cell 11: ECM-I fuse [L35] Cell 81: Gauges [L57] Cell 14: G104 [L31/L35] Handling ESD Sensitive Parts Notice
Figure 3:	Cell 20: Fuel Controls -- Fuel Pump Engine Controls Components Fuel Metering System Component Description Cell 20: Fuel Controls - Injector Controls Cell 20 - Ignition System OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 11: ECM-BAT and ENG-BAT fuses Cell 10: Fuse Block and Headlamp Switch Handling ESD Sensitive Parts Notice Cell 14: G104 [L31/L35] Cell 14: G105, G106, G110, G400, and G401 Handling ESD Sensitive Parts Notice Cell 20: Engine Data Sensors - MAP, IAT, TP, ECT Cell 20: EVAP, EGR, and Tank Pressure Sensor
Figure 4:	Cell 20: Fuel Controls -- Injector Controls Engine Controls Components Fuel Metering System Component Description Cell 20: Engine Data Sensors - MAP, IAT, TP, ECT Cell 20: Fuel Controls - Fuel Pump OBD II Symbol Description Notice Cell 81: Gauges [L31, L35] Cell 10: Ignition Switch and Fuse Block Cell 11: ECM-I fuse [L35] Handling ESD Sensitive Parts Notice
Figure 5:	Cell 20: Engine Data Sensors -- MAP, IAT, TP, ECT Engine Controls Components Information Sensors/Switches Description Cell 20: Engine Data Sensors - HO2S Cell 20: Fuel Controls - Injector Controls OBD II Symbol Description Notice Cell 20: EVAP, EGR, and Tank Pressure Sensor Cell 20: EVAP, EGR, and Tank Pressure Sensor Cell 20: EVAP, EGR, and Tank Pressure Sensor Cell 20: A/T Controls 2 - Internal Switches, Input Shaft Speed Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 6:	Cell 20: Engine Data Sensors -- HO2S Engine Controls Components Information Sensors/Switches Description Cell 20: Engine Data Sensors - MAF, IAC, VSS Cell 20: Engine Data Sensors - MAP, IAT, TP, ECT OBD II Symbol Description Notice Cell 11: INSTR LPS, TRANS, and ENG-I fuses Cell 14: G102 [L31/L35] Cell 10: Ignition Switch and Fuse Block Handling ESD Sensitive Parts Notice
Figure 7:	Cell 20: Engine Data Sensors -- MAF, IAC, VSS Engine Controls Components Information Sensors/Switches Description Cell 20: EVAP, EGR, and Tank Pressure Sensor Cell 20: Engine Data Sensors - HO2S OBD II Symbol Description Notice Cell 10: Ignition Switch and Fuse Block Cell 14: G104 [L31/L35] Cell 11: Engine Control Sensors Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 14: G104 [L31/L35] Handling ESD Sensitive Parts Notice
Figure 8:	Cell 20: EVAP, EGR, and Tank Pressure Sensor Engine Controls Components Exhaust Gas Recirculation (EGR) System Description Cell 20: A/T Controls 1 - TCC, Solenoids Cell 20: Engine Data Sensors - MAF, IAC, VSS OBD II Symbol Description Notice Cell 11: Engine Control Sensors Cell 10: Ignition Switch and Fuse Block Cell 20: Fuel Controls - Fuel Pump Handling ESD Sensitive Parts Notice Cell 20: Engine Data Sensors - MAP, IAT, TP, ECT Handling ESD Sensitive Parts Notice
Figure 9:	Cell 20: A/T Controls 1 -- TCC, Solenoids Engine Controls Components Electronic Component Description Cell 20: A/T Controls 2 - Internal Switches, Input Shaft Speed Cell 20: EVAP, EGR, and Tank Pressure Sensor OBD II Symbol Description Notice Cell 10: Ignition Switch and Fuse Block Cell 10: Ignition Switch and Fuse Block Handling ESD Sensitive Parts Notice Cell 44: Gas, ABS Power and Grounding, DLC Output Cell 138: P42 BTSI Circuit Cell 11: I-3, TURN-B/U, and HTR fuses, AUX CKT BRKR 13
Figure 10:	Cell 20: A/T Controls 2 -- Internal Switches, Input Shaft Speed Engine Controls Components Electronic Component Description Cell 20: A/C Controls Cell 20: A/T Controls 1 - TCC, Solenoids OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 11:	Cell 20: A/C Controls Engine Controls Components Information Sensors/Switches Description Cell 20: A/T Controls 2 - Internal Switches, Input Shaft Speed OBD II Symbol Description Notice Cell 14: G200 Cell 14: S110 [L31/L35] Cell 20: Power and Grounding Cell 10: Fuse Block and Headlamp Switch Cell 10: Ignition Switch and Fuse Block Cell 11: Gauges fuse Handling ESD Sensitive Parts Notice