GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2004
🢒
CTS
🢒
Engine
🢒
Engine Cooling
🢒 Engine Cooling Schematics
Figure
1:
Coolant Bypass Solenoid, Afterboil Coolant Pump, Coolant Level Switch and Indicators
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans - Domestic and Japan - 2.6L/3.2L (LY9/LA3)
Underhood Fuse Block B+ Bus - 2 of 2
Right Rear Fuse Block B+ Bus
Underhood Fuse Block STARTER and IGN 1 Relays, HTR VLV/CLTCH and TCM/IPC Fuses
Starting System - 2.6L/3.2L/3.6L (LY9/LA3/LY7)
Class 2 Serial Data Bus - LHD - 2 of 2
G101
G100 and G107 - 2.6L/3.2L (LY9/LA3)
Figure
2:
Cooling Fans - Domestic and Japan - 2.6L/3.2L (LY9/LA3)
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans - 3.6L (LY7)
Coolant By-Pass Solenoid, Afterboil Coolant Pump, Coolant Level Switch and Indicators
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
G104 - 1 of 2
Class 2 Serial Data Bus - LHD - 1 of 2
Engine Data Sensors - 5 Volt and Low Reference Buses
G104 - 1 of 2
Figure
3:
Cooling Fans - 3.6L (LY7)
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans - 5.7L (LS6)
Cooling Fans - Domestic and Japan - 2.6L/3.2L (LY9/LA3)
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
G104 - 1 of 2
Class 2 Serial Data Bus - LHD - 1 of 2
Engine Data Sensors - Low Reference
G104 - 1 of 2
Figure
4:
Cooling Fans - 5.7L (LS6)
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans - International (V92)
Cooling Fans - 3.6L (LY7)
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
G104 - 1 of 2
Class 2 Serial Data Bus - LHD - 1 of 2
G104 - 1 of 2
Figure
5:
Cooling Fans - International (V92)
Master Electrical Component List
Cooling System Description and Operation
Cooling Fans - 5.7L (LS6)
Underhood Fuse Block B+ Bus - 2 of 2
Underhood Fuse Block B+ Bus - 2 of 2
Underhood Fuse Block POST O2 Fuse
Left Rear Fuse Block B+ Bus
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
G104 - 1 of 2
Engine Data Sensors - 5 Volt and Low Reference Buses
Class 2 Serial Data Bus - LHD - 1 of 2
G104 - 1 of 2