Engine Controls Schematics. Cadillac XLR 2009

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2009 🢒 XLR 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Engine Controls Schematics

Figure 1:	ECM Power, Ground, MIL, and Serial Data Master Electrical Component List Engine Control Module Description Control Module References 5-Volt reference Bussing Fuse Block - Underhood Bussing COOLFAN, AMP, HVAC, ABS, W/S WASH/INTERCOOL, MRRTD, ECM/TCM, HORN, and BATT2 Fuses COOLFAN, AMP, HVAC, ABS, W/S WASH/INTERCOOL, MRRTD, ECM/TCM, HORN, and BATT2 Fuses Fuse Block - Underhood Bussing CLSTR/HUD, DECK LID CLOSE/PARK/BRK B, DR LOCKS, INTERIOR LIGHTS, HVAC/PWR SND, ISRVM/HVAC, TUTD SW STRG COL SW Fuses, and RUN/CRANK Relay RPA/H/C SEAT/WIPR RELAYS, GMLAN DEVICES, ECM, SCMPSIR SW, ACC/TCM, and ABS/MRRTD/AFS Fuses RPA/H/C SEAT/WIPR RELAYS, GMLAN DEVICES, ECM, SCMPSIR SW, ACC/TCM, and ABS/MRRTD/AFS Fuses Power, Ground, and DLC Power, Ground, and DLC Power, Ground, and DLC Power, Ground, and Class 2 GMLAN G104, and G106
Figure 2:	5-Volt Reference Bussing Master Electrical Component List Engine Control Module Description Control Module References Low Reference Bussing ECM Power, Ground, MIL, and Serial Data
Figure 3:	Low Reference Bussing Master Electrical Component List Engine Control Module Description Control Module References MAF/IAT, ECT, MAP Sensors, and Stop Lamp Switch Signal 5-Volt reference Bussing
Figure 4:	MAF/IAT, ECT, MAP Sensors, and Stop Lamp Switch Signal Master Electrical Component List Engine Control Module Description Control Module References Heated Oxygen Sensors Low Reference Bussing ECM Power, Ground, MIL, and Serial Data ETC, O2 SEN, EMISSION, ODD INJ, EVEN INJ Fuses, and IGN 1 Relay Stop and License Lamps Gages Power, Ground, and Serial Data G104, and G106
Figure 5:	Heated Oxygen Sensors Master Electrical Component List Engine Control Module Description Control Module References Electronic Throttle Controls MAF/IAT, ECT, MAP Sensors, and Stop Lamp Switch Signal ECM Power, Ground, MIL, and Serial Data
Figure 6:	Electronic Throttle Controls Master Electrical Component List Throttle Actuator Control (TAC) System Description Control Module References Ignition Coils Bank 1 Heated Oxygen Sensors
Figure 7:	Ignition Coils Bank 1 Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Coils Bank 2 Electronic Throttle Controls ECM Power, Ground, MIL, and Serial Data ETC, O2 SEN, EMISSION, ODD INJ, EVEN INJ Fuses, and IGN 1 Relay G105, G107, G109, G110, G111, and G112
Figure 8:	Ignition Coils Bank 2 Master Electrical Component List Electronic Ignition (EI) System Description Control Module References CKP and KS Sensors Ignition Coils Bank 1 ECM Power, Ground, MIL, and Serial Data ETC, O2 SEN, EMISSION, ODD INJ, EVEN INJ Fuses, and IGN 1 Relay G105, G107, G109, G110, G111, and G112
Figure 9:	CKP and KS Sensors Master Electrical Component List Electronic Ignition (EI) System Description Control Module References CMP Sensors, and Actuators Ignition Coils Bank 2 Gages
Figure 10:	CMP Sensors, and Actuators Master Electrical Component List Camshaft Actuator System Description Control Module References Fuel Injectors CKP and KS Sensors
Figure 11:	Fuel Injectors Master Electrical Component List Fuel System Description Control Module References EVAP Solenoids, and FTP Sensor CMP Sensors, and Actuators ECM Power, Ground, MIL, and Serial Data ETC, O2 SEN, EMISSION, ODD INJ, EVEN INJ Fuses, and IGN 1 Relay ETC, O2 SEN, EMISSION, ODD INJ, EVEN INJ Fuses, and IGN 1 Relay
Figure 12:	EVAP Solenoids, and FTP Sensor Master Electrical Component List Evaporative Emission Control System Description Control Module References Fuel Pump Controls Fuel Injectors ECM Power, Ground, MIL, and Serial Data ETC, O2 SEN, EMISSION, ODD INJ, EVEN INJ Fuses, and IGN 1 Relay Fuse Block - Underhood Bussing COOLFAN, AMP, HVAC, ABS, W/S WASH/INTERCOOL, MRRTD, ECM/TCM, HORN, and BATT2 Fuses Gages
Figure 13:	Fuel Pump Controls Master Electrical Component List Fuel System Description Control Module References Controlled/Monitored Subsystem References EVAP Solenoids, and FTP Sensor Fuse Block - Underhood Bussing Gages G102 G102 G302, G401, and G402
Figure 14:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Control Module References Fuel Pump Controls Starting A/C Compressor Controls Engine Cooling Schematics Engine Mechanical Schematics Gages