AIR CONDITIONING – Cadillac Catera 2001 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Cadillac Catera 2001

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Cadillac Catera 2001:

• (a/c harn, in ecm housing) s160
• (a/c harn, left front of engine compt)
• (a/c harn, rear of hvac module)
• (dash harn, left side of dash)
• (dash harn, near cluster breakout)
• (dash harn, near dlc breakout)
• (dash harn, near multi- function relay)
• (left front of engine compt)
• (left side of steering column) data link connector (dlc)
• +5v
• A/c compressor clutch coil
• A/c compressor diode
• A/c compressor refrigerant pressure switch (in a/c compressor hose)
• A/c compressor relay
• A/c cutout
• A/c load switch (in a/c compressor hose)
• A/c req
• A/c req out
• A/c request
• A400
• Air mix
• Ambient air temperature sensor (lower left front fascia)
• B+ c1
• Blower control module (right side of dash)
• Blower diag
• Blower motor
• Blower out
• Bp900
• Clamp 15 fuse 14 10a
• Def air mix
• Def relay
• Defogger
• Defogger system
• Defroster valve actuator (right side of dash)
• Dimming
• Ecm housing (left front of engine compt)
• Electronic brake/ traction control module (ebtcm) (left front of engine compt)
• Engine control module
• Engine controls
• Exterior lights
• F800
• F830
• Floor actuator (right side of dash)
• Floor air mix
• Fm11
• Fm14
• Fm60
• Fm7
• Fm98
• Fp120
• Fp812
• Fuse block (left side of dash)
• G103
• Ground
• Headlamp automatic control ambient light sensor (top of dash)
• Headlights system
• Heater & a/c control
• Heater blower fuse 33 30a
• High pressure
• Hot at all times
• Hot in on or start
• Hzd fuse 12 20a
• Ign volt
• Int air mix
• Interior lights
• Left air duct temperature sensor (behind right side of dash)
• Left temperature valve actuator (left side of dash)
• Low pressure
• O/s mirror fuse 13 10a
• Outside temp
• P11
• P111
• Pa400
• Pa900
• Park lamp
• Pm4
• Power
• Rb400
• Recirc valve
• Recirc- ulation vacuum solenoid valve (behind left side of dash)
• Red
• Red (dash harn, near cluster breakout) s229
• Relay ctrl
• Right air duct temperature sensor (behind right side of dash)
• Right temperature valve actuator (right side of dash)
• Ru502
• S110
• S205 (dash harn, 17 cm from right firewall grommet)
• S210
• S220
• S222 (dash harn, near ground breakout, near rear of relay box)
• S235
• S236
• S249
• S250
• Sens gnd
• Sens left
• Sens right
• Serial data
• Speed sig
• Sun sens
• Tach input
• Test connector (in ecm housing)
• Twilight sens
• Twlgt volt
• U10
• Vent actuator (right side of dash)
• Water cut-off vacuum solenoid valve (behind left side of dash)
• Water vlv
• X800
• X812
• Xm110
• Xm112
• Xp33
• Xy360

Automatic A/C Wiring Diagram (2 of 2) for Cadillac Catera 2001

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac Catera 2001:

• (a/c harn, left front of engine compt)
• (a/c harn, left front of engine compt) s125
• (left front of engine compt) heater water auxiliary pump
• 10a
• 30a
• Auxiliary engine coolant fan 1 (left front of radiator)
• Auxiliary engine coolant fan 2 (right front of radiator)
• Auxiliary water pump relay k22
• Battery
• Clamp 15a fuse 10 10a
• Coolant fan test connector
• Ecm housing (left front of engine compt)
• Engine coolant fan
• Engine coolant fan resistor (below battery)
• Fan control relay k26
• Fan control relay k28
• Fan control relay k52
• Fan control relay k67
• Fan control relay k87
• Fuse 40 30a
• Fuse 42 40a
• Fuse 50
• Fuse 52
• Fuse block (lower left side of steering column)
• G103 (left front of engine compt)
• Hot in run
• Primary cooling fan temperature switch (upper left side of radiator)
• Red
• S108
• S109
• S111
• S112
• S113
• S114
• S115
• S116
• S117
• S118
• S137
• S226 (dash harn, left side of dash)
• Secondary cooling fan temperature switch (in lower left side of radiator)
• Water auxiliary pump (left front of engine compt)

Compressor Wiring Diagram for Cadillac Catera 2001

List of elements for Compressor Wiring Diagram for Cadillac Catera 2001:

• (a/c harn, in ecm housing)
• A/c compressor clutch coil
• A/c compressor clutch diode
• A/c compressor refrigerant pressure switch (left front of engine compt, in a/c comp/ cond hose)
• A/c compressor relay
• A/c cutout
• A/c load switch (left front of engine compt, in a/c comp/ cond hose)
• A/c request
• A/c request output
• A/c request signal
• Bp900
• Cooling fans system
• Ecm housing (left front of engine compt)
• Engine control module
• Fm7
• Fm98
• Fp120
• Fuse block (left side of dash)
• G103 (left front of engine compt)
• Heater & a/c control
• Heater blower fuse 33 30a
• Hot at all times
• Hot in on or start
• Left side of dash)
• O/s mirror fuse 13 10a
• Red
• Relay control
• S110 (a/c harn, left front of engine compartment)
• S249 (dash harn, red
• Secondary cooling fan temperature switch (in lower left side of radiator)
• Xy360