Engine Controls Schematics. Isuzu Ascender

For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 2003 🢒 Ascender - 2WD 🢒 Engine 🢒 Engine Controls - 4.2L 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, MIL and Class 2 Master Electrical Component List Electronic Ignition (EI) System Description Engine Data Sensors - 5 Volt and Low Reference OBDII Symbol Description Notice I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses PCM I Fuse (4.2L Engine) AUX PWR 2, RRHVAC, AUX PWR 1, TBC 2, TBC 3, TBC 4 Fuses Gages, Six Cylinder Engine (LL8) TBC 5, LT DOORS, DDM;, PDM, RT DOORS Fuses G108 Data Link Connector
Figure 2:	Engine Data Sensors -- 5 Volt and Low Reference Master Electrical Component List Electronic Ignition (EI) System Description Engine Data Sensors - Pressure and Temperature Power, Ground, MIL, and Serial Data OBDII Symbol Description Notice
Figure 3:	Engine Data Sensors -- Pressure and Temperature Master Electrical Component List Electronic Ignition (EI) System Description Engine Data Sensors - Oxygen Sensors Engine Data Sensors - 5 Volt and Low Reference OBDII Symbol Description Notice
Figure 4:	Engine Data Sensors - Oxygen Sensors Master Electrical Component List Electronic Ignition (EI) System Description Engine Data Sensors - Electronic Throttle Controls and VSS Engine Data Sensors - Pressure and Temperature OBDII Symbol Description Notice AMP, SUNROOF, VENT WDO, REAR WIPER, LGM 2, SEATS, LR/RR LOCKS Fuses Fuses
Figure 5:	Engine Data Sensors - Electronic Throttle Controls and VSS Master Electrical Component List Throttle Actuator Control (TAC) System Description Ignition Controls - Ignition System Engine Data Sensors - Oxygen Sensors OBDII Symbol Description Notice Vehicle Speed Sensor Gages, Eight Cylinder Engine (LM4)
Figure 6:	Ignition Controls - Ignition Systems Master Electrical Component List Electronic Ignition (EI) System Description Ignition Controls - Sensors Engine Data Sensors - Electronic Throttle Controls and VSS OBDII Symbol Description Notice AUX PWR 2, RRHVAC, AUX PWR 1, TBC 2, TBC 3, TBC 4 Fuses PCM I Fuse (4.2L Engine) Gages, Eight Cylinder Engine (LM4)
Figure 7:	Ignition Controls - Sensors Master Electrical Component List Camshaft Actuator System Description Fuel Pump Controls and Fuel Injectors Ignition Controls - Ignition System OBDII Symbol Description Notice
Figure 8:	Fuel Controls - Fuel Pump Controls and Fuel Injectors Master Electrical Component List Fuel System Description Fuel Controls - EVAP Controls Ignition Controls - Sensors OBDII Symbol Description Notice G201-2 of 2, G305, G306 PCM I Fuse (4.2L Engine) PCM I Fuse (4.2L Engine) I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses G102, G104, G105, and G107
Figure 9:	Fuel Controls - EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Controlled/Monitored Subsystem References Fuel Pump Controls and Fuel Injectors OBDII Symbol Description Notice AMP, SUNROOF, VENT WDO, REAR WIPER, LGM 2, SEATS, LR/RR LOCKS Fuses Fuses
Figure 10:	Controlled/Monitored Subsystem References Master Electrical Component List Electronic Ignition (EI) System Description Transmission Control References - A/T Fuel Controls - EVAP Controls OBDII Symbol Description Notice Indicators Gages, Eight Cylinder Engine (LM4) Transfer Case Shift Control Module, Encoder Motor Engine Cooling Module Power, Ground, Serial Data, Indicator, Torque and Vehicle Speed Signals Compressor Controls and A/C Sensors Compressor Controls and A/C Sensors TAC Motor, APP Sensoor, On/Off Switch and Stop Lamp Switch (4.2L only) Starting System Charging System
Figure 11:	Transmission Control References - A/T Master Electrical Component List Electronic Ignition (EI) System Description Controlled/Monitored Subsystem References OBDII Symbol Description Notice Automatic Transmission Controls Module Power, Ground, Serial Data, Indicator, Torque and Vehicle Speed Signals PNP Switch and Indicator