Engine Controls Schematics. Cadillac CTS 2004

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2004 🢒 CTS 🢒 Engine 🢒 Engine Controls - 2.6L and 3.2L 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, Serial Data, DIC and Indicator Master Electrical Component List Engine Control Module Description Engine Data Sensors - 5 Volt and Low Reference Buses OBD II Symbol Description Notice Underhood Fuse Block B+ Bus - 2 of 2 Ignition Switch - 2 of 2 Ignition Switch - 2 of 2 Underhood Fuse Block DIM/ALDL, VOLT CHECK, FLASHER, CCP, ECM/TCM and ABS Fuses Ignition Switch - 2 of 2 Underhood Fuse Block STARTER and IGN 1 Relays, HTR VLV/CLTCH and TCM/IPC Fuses G104 - 1 of 2 Ignition Switch - 1 of 2 Class 2 Serial Data Bus - LHD - 2 of 2 Class 2 Serial Data Bus - LHD - 1 of 2 Underhood Fuse Block DIM/ALDL, VOLT CHECK, FLASHER, CCP, ECM/TCM and ABS Fuses G100 and G107 - 2.6L/3.2L (LY9/LA3) Power, Ground, GMLAN Bus and Keyword 2000 Bus Power, Ground, GMLAN Bus and Keyword 2000 Bus Engine Controls Schematic Icons G104 - 1 of 2
Figure 2:	Engine Data Sensors - 5 Volt and Low Reference Buses Master Electrical Component List Engine Control Module Description Engine Data Sensors - ECT, MAF and IAT Sensors Power, Ground, Serial Data, DIC and Indicator OBD II Symbol Description Notice
Figure 3:	Engine Data Sensors - ECT, MAF and IAT Sensors Master Electrical Component List Engine Control Module Description Engine Data Sensors - Heated Oxygen Sensors (HO2S) Engine Data Sensors - 5 Volt and Low Reference Buses OBD II Symbol Description Notice Power, Ground, Serial Data, DIC and Indicator Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses Engine Data Sensors - 5 Volt and Low Reference Buses
Figure 4:	Engine Data Sensors - Heated Oxygen Sensors (HO2S) Master Electrical Component List Engine Control Module Description Engine Data Sensors - Throttle Actuator Control (TAC) System Engine Data Sensors - ECT, MAF and IAT Sensors OBD II Symbol Description Notice Power, Ground, Serial Data, DIC and Indicator Underhood Fuse Block B+ Bus - 2 of 2 Underhood Fuse Block POST O2 Fuse
Figure 5:	Engine Data Sensors - Throttle Actuator Control (TAC) System Master Electrical Component List Throttle Actuator Control (TAC) System Description Ignition Controls - Knock, CKP and CMP Sensors Engine Data Sensors - Heated Oxygen Sensors (HO2S) OBD II Symbol Description Notice
Figure 6:	Ignition Controls - Knock, CKP and CMP Sensors Master Electrical Component List Knock Sensor (KS) System Description Ignition Controls - Ignition Coils Engine Data Sensors - Throttle Actuator Control (TAC) System OBD II Symbol Description Notice Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Data Sensors - 5 Volt and Low Reference Buses Underhood Fuse BLock EVEN INJ/COIL Fuse
Figure 7:	Ignition Controls - Ignition Coils Master Electrical Component List Electronic Ignition (EI) System Description Fuel Controls - Fuel Injectors and Fuel Pump/Sender Assembly Ignition Controls - Knock, CKP and CMP Sensors OBD II Symbol Description Notice Underhood Fuse Block B+ Bus - 2 of 2 Ignition Switch - 2 of 2 Underhood Fuse Block WASH NOZ, STRG CTLS and IGN MOD/MAF Fuses G104 - 1 of 2 G100 and G107 - 2.6L/3.2L (LY9/LA3) G104 - 1 of 2
Figure 8:	Fuel Controls - Fuel Injectors and Fuel Pump and Sender Assembly Master Electrical Component List Fuel System Description Fuel Controls - EVAP Controls, IMTV and IMRC Solenoids Ignition Controls - Ignition Coils OBD II Symbol Description Notice Power, Ground, Serial Data, DIC and Indicator Underhood Fuse Block ODD INJ/COIL Fuse Right Rear Fuse Block B+ Bus G401 Gages - 2.6L/3.2L/3.6L (LY9/LA3/LY7)
Figure 9:	Fuel Controls - EVAP Controls, IMTV and IMRC Solenoids Master Electrical Component List Evaporative Emission Control System Description Controlled/Monitored Subsystem References Fuel Controls - Fuel Injectors and Fuel Pump/Sender Assembly OBD II Symbol Description Notice Power, Ground, Serial Data, DIC and Indicator Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses Right Rear Fuse Block DR MOD PWR Circuit Breaker, CANISTER VENT, RIM/IGN SW, R FRT HTD SEAT MOD and POWER SOUNDER Fuses Underhood Fuse Block MAIN Relay, Cooling Fan Fuses/Relays, ECM and TOS Fuses Engine Data Sensors - 5 Volt and Low Reference Buses Engine Data Sensors - 5 Volt and Low Reference Buses
Figure 10:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Fuel Controls - EVAP Controls, IMTV and IMRC Solenoids OBD II Symbol Description Notice Starting System - 2.6L/3.2L/3.6L (LY9/LA3/LY7) BPP Sensor, Switches and Indicators - 2.6L/3.2L/3.6L (LY9/LA3/LY7) Cooling Fans - Domestic and Japan - 2.6L/3.2L (LY9/LA3) Power, Ground, Serial Data, TCM and Internal Mode Switch (IMS) Manual Transmission (M35) Gages - 2.6L/3.2L/3.6L (LY9/LA3/LY7) A/C Compressor Controls - 2.6L/3.2L (LY9/LA3) BPP Sensor, Switches and Indicators - 2.6L/3.2L/3.6L (LY9/LA3/LY7) Cruise Control System - 2.6L/3.2L/3.6L (LY9/LA3/LY7)