Engine Controls Schematics. Isuzu Ascender

For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 2003 🢒 Ascender - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, Serial Data, and MIL Master Electrical Component List Electronic Ignition (EI) System Description IGN 1 Relay, Fuse Block-Underhood OBDII Symbol Description Notice G108 Data Link Connector I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses PCM I Fuse (4.2L Engine) I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses Gages, Six Cylinder Engine (LL8) AUX PWR 2, RRHVAC, AUX PWR 1, TBC 2, TBC 3, TBC 4 Fuses TBC 5, LT DOORS, DDM;, PDM, RT DOORS Fuses
Figure 2:	Fuse Block - Underhood IGN 1 Relay Master Electrical Component List Electronic Ignition (EI) System Description Engine Data Sensors - Low Reference Power, Ground, Serial Data, and MIL OBDII Symbol Description Notice I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses AUX PWR 2, RRHVAC, AUX PWR 1, TBC 2, TBC 3, TBC 4 Fuses B/U, SIR, TBC IGN 1, ETC CRANK Fuses
Figure 3:	Engine Data Sensors - Low Reference Master Electrical Component List Electronic Ignition (EI) System Description Engine Data Sensors - Pressure, Temperature, and VSS IGN 1 Relay, Fuse Block-Underhood OBDII Symbol Description Notice
Figure 4:	Engine Data Sensors - Pressure, Temperature, and VSS Master Electrical Component List Electronic Ignition (EI) System Description Engine Data Sensors - Oxygen Sensors Engine Data Sensors - Low Reference OBDII Symbol Description Notice PCM I, O2A, O2B and ENG I Fuses (5.3L Engine) G108 Gages, Eight Cylinder Engine (LM4)
Figure 5:	Engine Data Sensors - Oxygen Sensors Master Electrical Component List Electronic Ignition (EI) System Description Engine Data Sensors - Electronic Throttle Controls Engine Data Sensors - Pressure, Temperature, and VSS OBDII Symbol Description Notice G108 PCM I, O2A, O2B and ENG I Fuses (5.3L Engine)
Figure 6:	Engine Data Sensors - Electronic Throttle Controls Master Electrical Component List Throttle Actuator Control (TAC) System Description Ignition Controls - Ignition System Coils 1, 3, 5, 7 Engine Data Sensors - Oxygen Sensors OBDII Symbol Description Notice G108 AMP, SUNROOF, VENT WDO, REAR WIPER, LGM 2, SEATS, LR/RR LOCKS Fuses Fuses TAC Motor, APP Sensoor, On/Off Switch and Stop Lamp Switch (4.2L only) Stop Lamps
Figure 7:	Ignition Controls - Ignition System Coils 1, 3, 5, 7 Master Electrical Component List Electronic Ignition (EI) System Description Ignition Controls - Ignition System Coils 2, 4, 6, 8 Engine Data Sensors - Electronic Throttle Controls OBDII Symbol Description Notice G108 B/U, SIR, TBC IGN 1, ETC CRANK Fuses
Figure 8:	Ignition Controls - Ignition System Coils 2, 4, 6, 8 Master Electrical Component List Electronic Ignition (EI) System Description Ignition Controls - Sensors Ignition Controls - Ignition System Coils 1, 3, 5, 7 OBDII Symbol Description Notice G109 B/U, SIR, TBC IGN 1, ETC CRANK Fuses
Figure 9:	Ignition Controls - Sensors Master Electrical Component List Electronic Ignition (EI) System Description Fuel Controls - Fuel Pump Controls and Fuel Injectors Ignition Controls - Ignition System Coils 2, 4, 6, 8 OBDII Symbol Description Notice
Figure 10:	Fuel Controls - Fuel Pump Controls and Fuel Injectors Master Electrical Component List Fuel System Description Without Returnless Fuel System Fuel Controls - EVAP Controls Ignition Controls - Sensors OBDII Symbol Description Notice G201-2 of 2, G305, G306 Fuel Controls - EVAP Controls B/U, SIR, TBC IGN 1, ETC CRANK Fuses B/U, SIR, TBC IGN 1, ETC CRANK Fuses I/P BATT, TRAILER ABS, HORN IGN A, IGN B, ATC Fuses G102, G104, G105, and G107
Figure 11:	Fuel Control - EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Controlled/Monitored Subsystem References Fuel Controls - Fuel Pump Controls and Fuel Injectors OBDII Symbol Description Notice Fuel Controls - Fuel Pump Controls and Fuel Injectors PCM I, O2A, O2B and ENG I Fuses (5.3L Engine) O2 and ENG 1 Fuses
Figure 12:	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 Engine Cooling Module Power, Ground, Serial Data, Indicator, Torque and Vehicle Speed Signals Starting System Charging System Gages, Eight Cylinder Engine (LM4) Transfer Case Shift Control Module, Encoder Motor Gages, Eight Cylinder Engine (LM4) Compressor Controls and A/C Sensors Compressor Controls and A/C Sensors Engine Cooling
Figure 13:	Transmission Control References - A/T Master Electrical Component List Electronic Ignition (EI) System Description Controlled/Monitored Subsystem References OBDII Symbol Description Notice PNP Switch and Indicator Vehicle Speed Sensor