Engine Controls Schematics. GMC Truck GMC P42 Commercial Chassis 1998

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For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Engine Controls - 6.5L (L57) 🢒 Engine Controls Schematics

Engine Controls Schematics Electronic FI

Figure 1:	Cell 23: PCM Power and Grounding, MIL, and DLC Engine Controls Components L57 EFI Powertrain Control Module Description Cell 23: Glowplug Control (California) OBD II Symbol Description Notice Cell 81(3 of 4) Cell 11: GAUGES fuse Cell 10: Ignition Switch and Fuse Block Handling ESD Sensitive Parts Notice Cell 10: Fuse Block and Headlamp Switch Cell 11: ECM-BAT and ENG-BAT fuses Handling ESD Sensitive Parts Notice Cell 44: P32 Gas, ABS Power and Grounding, DLC Output Cell 14: G200 Cell 14: S110 [L31/L35] Cell 14: G105, G106, G110, G400, and G401
Figure 2:	Cell 23: Glowplug Control (California) Engine Controls Components L57 EFI Glow Plug System Description EFI Cell 23: Ignition System - CKP, Timing Stepper Motor Cell 23: PCM Power and Grounding, MIL, and DLC OBD II Symbol Description Notice Cell 10: Battery, Starter, and Junction Block Cell 10: Ignition Switch and Fuse Block Cell 11: ECM-I fuse [L57] Cell 14: G102 [Diesel L57] Cell 11: GAUGES fuse Cell 81(3 of 4) Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 14: G102 [Diesel L57]
Figure 3:	Cell 23: Glowplug Controls 2 -- Federal Emissions Engine Controls Components L57 EFI Glow Plug System Description EFI Cell 23: Ignition System - CKP, Timing Stepper Motor Cell 23: Glowplug Control (California) OBD II Symbol Description Notice Cell 81(3 of 4) Cell 11: GAUGES fuse Cell 10: Ignition Switch and Fuse Block Cell 11: ECM-I fuse [L57] Cell 10: Battery, Starter, and Junction Block Handling ESD Sensitive Parts Notice Cell 14: G102 [Diesel L57] Handling ESD Sensitive Parts Notice
Figure 4:	Cell 23: Ignition System -- CKP, Timing Stepper Motor Engine Controls Components L57 EFI Fuel System Description EFI Cell 23: Fuel Controls 1 - Fuel Lift Pump and Relay Cell 23: Glowplug Controls 2 - Federal Emissions OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice
Figure 5:	Cell 23: Fuel Controls 1 -- Fuel Lift Pump and Relay Engine Controls Components L57 EFI Fuel Supply Component Description EFI/MFI Cell 23: Fuel Controls 2 - Fuel Heater, Temp. Sensor, Water In Fuel Sensor Cell 23: Ignition System - CKP, Timing Stepper Motor OBD II Symbol Description Notice Cell 10: Fuse Block and Headlamp Switch Cell 11: I-3, TURN-B/U, and HTR fuses, AUX CKT BRKR 13 Handling ESD Sensitive Parts Notice Cell 14: G102 [Diesel L57]
Figure 6:	Cell 23: Fuel Controls 2 -- Fuel Heater, Temp. Sensor, Water in Fuel Sensor Engine Controls Components L57 EFI Fuel Supply Component Description EFI/MFI Cell 23: Fuel Controls 3 - Engine Shutoff Solenoid, Fuel Solenoid Driver Cell 23: Fuel Controls 1 - Fuel Lift Pump and Relay OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: Ignition Switch and Fuse Block Cell 81(3 of 4) Handling ESD Sensitive Parts Notice Cell 11: GAUGES fuse Cell 11: ECM-I fuse [L57] Cell 14: G102 [Diesel L57] Handling ESD Sensitive Parts Notice
Figure 7:	Cell 23: Fuel Controls 3 -- Engine Shutoff Solenoid, Fuel Solenoid Driver Engine Controls Components L57 EFI Fuel System Description EFI Cell 23: Engine Data Sensors 1 - ECT, IAT, MAP Cell 23: Fuel Controls 2 - Fuel Heater, Temp. Sensor, Water In Fuel Sensor OBD II Symbol Description Notice Cell 10: Ignition Switch and Fuse Block Cell 11: INSTR LPS, TRANS, and ENG-I fuses Handling ESD Sensitive Parts Notice
Figure 8:	Cell 23: Engine Data Sensors 1 -- ECT, IAT, MAP Engine Controls Components L57 EFI Cell 23: Engine Data Sensors 2 - VSS/TOSS Circuit Complete Cell 23: Fuel Controls 3 - Engine Shutoff Solenoid, Fuel Solenoid Driver OBD II Symbol Description Notice Cell 23: Ignition System - CKP, Timing Stepper Motor Cell 23: A/T Controls 2 - TR, TFT, TISS, PC Solenoid Handling ESD Sensitive Parts Notice
Figure 9:	Cell 23: Engine Data Sensors 2 -- VSS/TOSS Circuit Complete Engine Controls Components L57 EFI Information Sensors/Switches Description EFI Cell 23: Accelerator Pedal Position Sensor Cell 23: Engine Data Sensors 1 - ECT, IAT, MAP OBD II Symbol Description Notice Cell 11: ECM-I fuse [L57] Cell 10: Ignition Switch and Fuse Block Cell 81(3 of 4) Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 14: G108 [L57]
Figure 10:	Cell 23: Accelerator Pedal Position Sensor Engine Controls Components L57 EFI Accelerator Pedal Position Module Description EFI Cell 23: A/T Controls 1 - Stoplamp/TCC Switch, Internal Solenoids Cell 23: Engine Data Sensors 2 - VSS/TOSS Circuit Complete OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 11:	Cell 23: A/T Controls 1 -- Stoplamp/TCC Switch, Internal Solenoids Engine Controls Components L57 EFI Electronic Component Description Cell 23: A/T Controls 2 - TR, TFT, TISS, PC Solenoid Cell 23: Accelerator Pedal Position Sensor OBD II Symbol Description Notice Cell 44: P32 Gas, ABS Power and Grounding, DLC Output Cell 10: Ignition Switch and Fuse Block Cell 10: Ignition Switch and Fuse Block Handling ESD Sensitive Parts Notice Cell 138: P42 BTSI Circuit
Figure 12:	Cell 23: A/T Controls 2 -- TR, TFT, TISS, PC Solenoid Engine Controls Components L57 EFI Electronic Component Description Cell 23: Air Conditioning Controls Cell 23: A/T Controls 1 - Stoplamp/TCC Switch, Internal Solenoids OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 13:	Cell 23: Air Conditioning Controls Engine Controls Components L57 EFI Relays and Sensors Description Cell 23: A/T Controls 2 - TR, TFT, TISS, PC Solenoid OBD II Symbol Description Notice Cell 11: ECM-BAT and ENG-BAT fuses Cell 10: Fuse Block and Headlamp Switch Cell 10: Ignition Switch and Fuse Block Cell 11: GAUGES fuse Handling ESD Sensitive Parts Notice Cell 14: G200 Cell 14: S110 [L31/L35]

Engine Controls Schematics Mechanical FI

Figure 1:	Cell 22: Glowplug Control Engine Controls Components L57 MFI Glow Plug System Description MFI Cell 22: Fuel Controls 1 - Fuel Pump Control Cell 11: GAUGES fuse Cell 11: INSTR LPS, TRANS, and ENG-I fuses Cell 14: S110 [L57] Cell 14: G200 Cell 14: G102 [Diesel L57] Starting System Cell 22: Fuel Controls 2 - Fuel Heater, Water Sensor, Cold Advance
Figure 2:	Cell 22: Fuel Controls 1 -- Fuel Pump Control Engine Controls Components L57 MFI Cell 22: Fuel Controls 2 - Fuel Heater, Water Sensor, Cold Advance Cell 22: Glowplug Control Cell 11: ECM-I fuse [L57] Cell 14: G108 [L57] Cell 14: G102 [Diesel L57] Cell 22:A/T Controls 1 - Power and Grounding, DLC
Figure 3:	Cell 22: Fuel Controls 2 -- Fuel Heater, Water Sensor, Cold Advance Engine Controls Components L57 MFI Cell 22: VSS Circuit Cell 22: Fuel Controls 1 - Fuel Pump Control Cell 11: GAUGES fuse Cell 11: INSTR LPS, TRANS, and ENG-I fuses Cell 14: G102 [Diesel L57] Starting System
Figure 4:	Cell 22: VSS Circuit Engine Controls Components L57 MFI Cell 22:A/T Controls 1 - Power and Grounding, DLC Cell 22: Fuel Controls 2 - Fuel Heater, Water Sensor, Cold Advance Cell 11: ECM-I fuse [L57] Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 14: G108 [L57]
Figure 5:	Cell 22:A/T Controls 1 -- Power and Grounding, DLC Engine Controls Components L57 MFI Cell 22: A/T Controls 2 - Transmission Data Sensors Cell 22: VSS Circuit Cell 11: ECM-I fuse [L57] Cell 22: Fuel Controls 1 - Fuel Pump Control Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 14: G108 [L57]
Figure 6:	Cell 22: A/T Controls 2 -- Transmission Data Sensors Engine Controls Components L57 MFI Cell 22:A/T Controls 3 - Internal Solenoids and Stoplamp Switch Cell 22:A/T Controls 1 - Power and Grounding, DLC Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 7:	Cell 22:A/T Controls 3 -- Internal Solenoids and Stoplamp Switch Engine Controls Components L57 MFI Cell 22: PCM Power and Grounding, MIL and Service Throttle Indicators, and DLC Cell 22: A/T Controls 2 - Transmission Data Sensors Cell 11: I-3, TURN-B/U, and HTR fuses, AUX CKT BRKR 13 Cell 44: P32 Gas, ABS Power and Grounding, DLC Output Cell 138: P42 BTSI Circuit Handling ESD Sensitive Parts Notice
Figure 8:	Cell 22:A/T Controls 4 -- TR, TFT, TISS, and PC Solenoid Valve Engine Controls Components L57 MFI Cell 22:A/T Controls 3 - Internal Solenoids and Stoplamp Switch Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice