AIR CONDITIONING – Buick Riviera 1999 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Buick Riviera 1999

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Buick Riviera 1999:

• (body harn, near near pcm)
• (body harn, near turn flasher)
• (right kick panel)
• +5v
• A/c req
• A10
• A11
• A12
• Act enable
• Act sense
• Amb temp input
• Ambient air temperature sensor (left front of vehicle)
• B tan
• B10
• B11
• B12
• Battery
• Blower control module (behind right side of dash)
• Blower ctrl
• Blower motor
• Blw speed feedbk
• Blw speed input
• C 1995 vftc
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Clock driver
• Computer data lines
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data line
• Data link connector (left side of dash)
• Defog rly ctrl
• G200 (left kick panel)
• G203
• G203 (right kick panel)
• Ground
• Heater & a/c control
• Heater and a/c programmer (behind right side of dash)
• Hot at all times
• Hvac blower fuse 10a
• Hvac blower mtr fuse 30a
• I/p 1 fuse 10a
• I/p fuse block
• Ignition
• Illumination
• Inside air temperature sensor (in dash, right of steering column)
• Inside temp input
• Interior ligths system
• Kdd
• Kdd c/k
• Lamp feed
• Left solar sensor (top left of dash)
• Lt solar sensor
• Pass ctrl gnd
• Pass ctrl input
• Pass temp ctrl
• Passenger climate control
• Pwm blw spd ctrl
• Rear defogger system
• Red
• Right rear junction block
• Right solar sensor (top right of dash)
• Rt solar sensor
• S211 (body harn, near turn flasher)
• S212 (body harn, near right front door grommet)
• S225 (body harn, near right kick panel)
• S231
• S273 (i/p harn, behind center of dash)
• S276 (hvac harn, behind right side of dash)
• S277 (hvac harn, behind right side of dash)
• S285 (body harn, near pcm) s229 (i/p harn, behind center of dash)
• S288 (i/p harn, near top of dash)
• S295
• Sensor ground
• Signal driver
• Tan
• Vf dim input
• Vf input

Automatic A/C Wiring Diagram (2 of 2) for Buick Riviera 1999

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Buick Riviera 1999:

• (behind dash, on plenum)
• (body harn, 144.5 cm from pcm)
• (body harn, 23.5 cm from right rear engine compartment grommet)
• (body harn, near right cooling fan motor)
• (body harn, near right rear fender)
• (body harn, near right rear firewall grommet)
• (engine harn, near a/c compressor clutch)
• (hvac harn, behind right side of dash)
• +5 v
• A/c compressor clutch
• A/c compressor clutch diode
• A/c compressor control relay d (in engine compartment power distri- bution center)
• A/c mode actuator (behind dash, on plenum)
• A/c pressure sensor (right front of engine compt)
• A/c request
• Air inlet actuator (behind dash, on plenum)
• C 1995 vftc
• Clng fan fuse 10a
• Cooling fan fuse 60a
• Driver's side actuator (behind dash, on plenum)
• Engine compartment junction block
• Engine coolant temperature (ect) sensor (left rear of engine)
• Flat pack mtr fuse 10a
• G103 (right front strut tower)
• Heater/defroster actuator (behind dash, on plenum)
• High speed cooling fan relay (in engine compt junction block)
• Hot at all
• Hot in run
• Hvac cont fuse 10a
• Hvac relay fuse 10a
• I/p fuse block
• Left cooling fan diode
• Left cooling fan motor
• Low speed cooling fan relay 1 (rear center of engine compartment)
• Nca
• Or start
• Passenger's side actuator
• Pnk
• Powertrain control module (behind right side of dash)
• Red
• Relay control
• Right cooling fan motor
• S100 (body harn, near right rear fender)
• S104
• S105
• S108
• S115 (body harn, right rear fender)
• S116
• S141
• S143
• S259
• S274
• S275
• S278
• S282
• Sensor ground
• Sensor input
• Series/parallel cooling fan relay (in engine compt junction block)
• Solid state
• Times
• Vsb a/c

Compressor Wiring Diagram for Buick Riviera 1999

List of elements for Compressor Wiring Diagram for Buick Riviera 1999:

• (body harn, near right rear fender)
• (engine harn, near a/c compressor clutch)
• +5v
• A/c compressor clutch
• A/c compressor diode
• A/c compressor relay d (in engine compartment power distribution center)
• A/c pressure sensor (left rear of engine compartment)
• A/c req input
• A/c req out
• Battery
• D15
• D16
• Engine compartment junction block
• G103 (right front strut tower)
• G203 (right kick panel)
• Ground
• Heater and a/c programmer
• Hot at all times
• Hot in run
• Hot in run or start
• Hvac cont fuse 10a
• Hvac relay fuse 10a
• I/p 1 fuse 10a
• I/p fuse block
• Ignition
• Pnk
• Powertrain control module (behind right side of dash)
• Relay control
• S100 pnk
• S105
• S108
• S211 (body harn, near turn flasher)
• S225 (body harn, near right kick panel)
• S259 (body harn, 144.5 cm from pcm)
• Sensor ground
• Sensor input