Engine Controls Schematics. GMC Truck GMC C-Series Medium Duty Truck B7 2002

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2002 🢒 GMC C-Series Medium Duty Truck B7 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Engine Controls Schematics

Figure 1:	Data Link Connector (DLC), Powertrain Control Module (PCM), Power and Ground Master Electrical Component List Engine Controls Schematics - Power Distribution for Ignition Coils and Fuel Injectors Engine Controls Schematics - Power Distribution for Ignition Coils and Fuel Injectors Power Distribution Schematics - IGN 1 Circuit Breaker, S225, S226, S230 Power Distribution Schematics - IGN 1 Circuit Breaker, S232, S243 Data LInk Connector (DCL) Schematics - L18 Engine Controls Schematics - Intake Air Temperature (IAT)/Mass Air Flow (MAF) and Manifold Absolute Pressure (MAP) Sensors Power Distribution Schematics - ODD INJ and PCM Circuit Breakers L18 02Ground Distribution Schematics - S141 and S210 L18 Ground Distribution Schematics - G102, and S138 L18
Figure 2:	Power Distribution for Ignition Coils and Fuel Injectors Master Electrical Component List Engine Controls Schematics - Indicators Engine Controls Schematics - Data Link Connector (DLC), Powertrain Control Module (PCM), Power and Ground Engine Controls Schematics - Data Link Connector (DLC), Powertrain Control Module (PCM), Power and Ground Power Distribution Schematics - IGN 1 Circuit Breaker, S232, S243 02Ground Distribution Schematics - G108, and S220 L18 Ground Distribution Schematics - G207, G208, and S221 L18 Ground Distribution Schematics - S142, S178, S179, S405 and S409 L18 Ground Distribution Schematics - G102, and S138 L18 Engine Controls Schematics - Ignition Coils Engine Controls Schematics - Fuel Enable and Fuel Injectors Engine Controls Schematics - Ignition Coils Engine Controls Schematics - Fuel Enable and Fuel Injectors
Figure 3:	5 Volt and Low Reference Master Electrical Component List Engine Controls Schematics - Intake Air Temperature (IAT)/Mass Air Flow (MAF) and Manifold Absolute Pressure (MAP) Sensors Engine Controls Schematics - Power Distribution for Ignition Coils and Fuel Injectors
Figure 4:	Intake Air Temperature (IAT)/Mass Air Flow (MAF) and Manifold Absolute Pressure (MAP) Sensors Master Electrical Component List Engine Controls Schematics - C212 Upfitter Connector and Vehicle Speed Sensor (VSS) Engine Controls Schematics - Indicators Engine Controls Schematics - Data Link Connector (DLC), Powertrain Control Module (PCM), Power and Ground Ground Distribution Schematics - G102, and S138 L18
Figure 5:	C212 (Upfitter Connector) and Vehicle Speed Sensor (VSS) Master Electrical Component List Engine Controls Schematics - Heated Oxygen Sensors (HO2S) Engine Controls Schematics - Intake Air Temperature (IAT)/Mass Air Flow (MAF) and Manifold Absolute Pressure (MAP) Sensors Manual Transmission Schematics - VSS, CPP, TFT Automatic Transmission Controls Schematics - Data Link Connector (DCL), Powertrain Control Module (PCM), Vehicle Speed Signal Manual Transmission Schematics - VSS, CPP, TFT Instrument Cluster Schematics - IPC, Fuel Gage, Gen Chg Ind and Tach Upfitter Provision Schematics - C212 Upfitter Connector Terminals B, N, P, T and X, Junction Block - Upfitter I/P
Figure 6:	Heated Oxygen Sensors (HO2S) Master Electrical Component List Engine Controls Schematics - Throttle Actuator Control (TAC) Motor, TAC Module and Throttle Position (TP) Sensor Engine Controls Schematics - C212 Upfitter Connector and Vehicle Speed Sensor (VSS)
Figure 7:	Throttle Actuator Control (TAC) Motor, TAC Module and Throttle Position (TP) Sensor Master Electrical Component List Engine Controls Schematics - Accelerator Pedal and Throttle Actuator Control (TAC)Module Engine Controls Schematics - Heated Oxygen Sensors (HO2S) 02Ground Distribution Schematics - S141 and S210 L18 Ground Distribution Schematics - G102, and S138 L18
Figure 8:	Accelerator Pedal and Throttle Actuator Control (TAC) Module Master Electrical Component List Engine Controls Schematics - Clutch Pedal Position (CPP), Turn Signal/Multifunction and High Idle Switches and Throttle Actuator Control (TAC) Module Engine Controls Schematics - Throttle Actuator Control (TAC) Motor, TAC Module and Throttle Position (TP) Sensor
Figure 9:	Clutch Start Switch, Turn Signal/Multifunction and High Idle Switches and Throttle Actuator Control (TAC) Module Master Electrical Component List Engine Controls Schematics - Ignition Coils Engine Controls Schematics - Accelerator Pedal and Throttle Actuator Control (TAC)Module 02Ground Distribution Schematics - S141 and S210 L18 02Ground Distribution Schematics - S141 and S210 L18 Ground Distribution Schematics - G102, and S138 L18 Power Distribution Schematics - IGN 1 Circuit Breaker, S225, S226, S230 Power Distribution Schematics - IGN 1 Circuit Breaker, S232, S243
Figure 10:	Ignition Coils Master Electrical Component List Engine Controls Schematics - Camshaft Position (CMP) and Crankshaft Position (CKP) Sensors, Knock Sensor (KS) and Tachometer Engine Controls Schematics - Clutch Pedal Position (CPP), Turn Signal/Multifunction and High Idle Switches and Throttle Actuator Control (TAC) Module Engine Controls Schematics - Power Distribution for Ignition Coils and Fuel Injectors Engine Controls Schematics - Power Distribution for Ignition Coils and Fuel Injectors Ground Distribution Schematics - S142, S178, S179, S405 and S409 L18 Ground Distribution Schematics - G102, and S138 L18 Ground Distribution Schematics - G102, and S138 L18
Figure 11:	Camshaft Position (CMP) and Crankshaft Position (CKP) Sensors, Knock Sensors (KS) and Tachometer Master Electrical Component List Engine Controls Schematics - Fuel Enable and Fuel Injectors Engine Controls Schematics - Ignition Coils Instrument Cluster Schematics - IPC, Fuel Gage, Gen Chg Ind and Tach
Figure 12:	Fuel Enable and Fuel Injectors Master Electrical Component List Engine Controls Schematics - Evaporative Emissions (EVAP) Canister Purge Solenoid, Exhaust Gas Recirculation (EGR) Valve, Generator and Generator Charge Indicator Engine Controls Schematics - Camshaft Position (CMP) and Crankshaft Position (CKP) Sensors, Knock Sensor (KS) and Tachometer Engine Controls Schematics - Power Distribution for Ignition Coils and Fuel Injectors Engine Controls Schematics - Power Distribution for Ignition Coils and Fuel Injectors 02Ground Distribution Schematics - S141 and S210 L18 02Ground Distribution Schematics - S141 and S210 L18 Ground Distribution Schematics - G102, and S138 L18 Ground Distribution Schematics - S142, S178, S179, S405 and S409 L18
Figure 13:	Evaporative Emissions (EVAP) Canister Purge Solenoid, Exhaust Gas Recirculation (EGR) Valve, Generator and Generator Charge Indicator Master Electrical Component List Engine Controls Schematics - Stoplamp Switch and Interface Module, Multifunction Alarm Module, Transmission Control Module (TCM) and C212 Upfitter Connector Engine Controls Schematics - Fuel Enable and Fuel Injectors Starting and Charging Schematics - L18 Charging Circuit
Figure 14:	Instrument Panel Cluster References Master Electrical Component List Engine Controls Schematics - Clutch, Park /Neutral Position (PNP) and Neutral Safety Switches, Starter Relay and Transmission Control Module (TCM) Engine Controls Schematics - Heated Oxygen Sensors (HO2S) Engine Cooling Schematics - Driver Information Center (DIC), Multifunction Alarm Module, Coolant Level Switch Instrument Cluster Schematics - DIC, AUX and PB, and Check Trans Instrument Cluster Schematics - DIC, AUX and PB, and Check Trans Instrument Cluster Schematics - DIC, ABS, CHG OIL, DRL, EOS and HI Ind. Instrument Cluster Schematics - IPC, Check Ind, ECT, and EOP Gages Instrument Cluster Schematics - DIC, ABS, CHG OIL, DRL, EOS and HI Ind. Instrument Cluster Schematics - DIC, AUX and PB, and Check Trans Instrument Cluster Schematics - IPC, Check Ind, ECT, and EOP Gages Instrument Cluster Schematics - DIC, ABS, CHG OIL, DRL, EOS and HI Ind. Instrument Cluster Schematics - IPC, High Beam, LT and RT Ind, I/P ILL Instrument Cluster Schematics - IPC, Check Ind, ECT, and EOP Gages Charging Circuit
Figure 15:	Automatic Transmission and Manual Transmission References Master Electrical Component List Engine Controls Schematics - Stoplamp Switch and Interface Module, Multifunction Alarm Module, Transmission Control Module (TCM) and C212 Upfitter Connector Starting and Charging Schematics - L18 Starting Circuit Automatic Transmission Schematics - TCM, Stop Lamp SW Interface Module Two Speed Rear Axle Schematics Automatic Transmission Controls Schematics - Speed and Sump Temperature Sensors and Trans I.D. (MX4/MTW) Automatic Transmission Controls Schematics - Internal Pressure Switch and Solenoids (MX4/MTW) Automatic Transmission Schematics - A/T Modulator and Relay Starting and Charging Schematics - L18 Starting Circuit Automatic Transmission Controls Schematics - Internal Pressure Switch and Solenoids (MX4/MTW)